Podcasts about oncorhynchus

This month, Daniel leads the guys into uncharted waters for the podcast…that's right, it's our first-ever episode about fish! The Great Lakes salmon fishery is one of the greatest angling spectacles in the US. Large predatory salmon, native to the Pacific Northwest, are stocked in the Great Lakes region to maintain a world class fishery and control invasive baitfish. The undisputed monarch among these stocked species? The appropriately named King Salmon (Oncorhynchus tshawytscha). While they are fished for year-round, the action heats up when mature King Salmon run (well, they swim, but that's what it's called) up the creeks and rivers where they were born or stocked each fall. The salmon run attracts anglers from all over the country, fostering a multi-million dollar industry and countless memories. But what is with all the excitement? Why are Pacific salmon even put here? Dare we even ask, should they be here? In this episode, the guys venture to a popular salmon fishing spot near Lake Ontario and reel in the story of one of the most consequential actions in fisheries management history. This episode was record at the Burt Dam Fishermen's Park in Olcott, NY on October 8, 2024.Episode Notes Daniel mentioned the scientific name and meaning for the Coho Salmon: Oncorhynchus kisutch. But he failed to mention that the Chinook or King Salmon's scientific name, which is Oncorhynchus tshawytscha. Oncorhynchus as mentioned in the episode from Greek origin, loosely means “hooked snout,” referring to the “kype” these salmon develop. Tshawytscha is derived from a Russian name for the King Salmon, like how kisutch is derived from a Russian name for the Coho Salmon.Chinook Salmon (Oncorhynchus tshawytscha) are also known as King salmon. Chinook and King are used interchangeably in the episode, as Daniel can't seem to settle on a common name he likes. As mentioned in the episode, “King” comes from the fact that this salmon species is the largest salmon species in the world. Steve asked Daniel what “Chinook” means, and he did not know. After further research, it is found that the word Chinook is derived from the Chinookan people. This includes several groups of indigenous people of the Pacific Northwest, where the Chinook Salmon is native. And what about Coho Salmon? “Cohos” is a word in one of the dialects of the native peoples of the Pacific Northwest with an unknown meaning, possibly the name for the fish itself. Depths of the Great LakesThe books the guys mentioned were Dan Egan's The Death and Life of the Great Lakes and Margaret Wooster's Living Waters: Reading the Rivers of the Lower Great Lakes.Visit thefieldguidespodcast.com for full episode notes, links, and works cited.

(image source: https://eartharchives.org/articles/saber-toothed-salmon-teeth-more-like-tusks-than-fangs/) Host Matthew Donald and guest co-host Natasha Krech discuss Oncorhynchus rastrosus, AKA the saber-toothed salmon, AKA the coolest name for a fish ever, but FYI it's not actually a valid descriptor anymore, so AKA it's a massive disappointment. A big flop. Like a fish. Flop, flop. From the Late Miocene, this 8-foot salmonid was still pretty impressive, being such a big fish that also had big outward fangs, even if they weren't saber-like canines. I just feel though that if you're name is highlighting a certain feature, you better have it as advertised, otherwise I want my money back. You hear that, Oncorhynchus rastrosus? I want my money back! And don't get it from a loan shark, I swear to God.Want to further support the show? Sign up to our Patreon for exclusive bonus content at Patreon.com/MatthewDonald. Also, you can get links to follow Matthew Donald and purchase his books at https://linktr.ee/matthewdonald. Hosted on Acast. See acast.com/privacy for more information.

Meet the spike-toothed salmon, a prehistoric Pacific salmon 8+ feet long. With similarities to modern-day sockeyes, this giant species in the genus Oncorhynchus used to spawn in the Pacific Northwest as recently as 4-5 million years ago. What were its spikes for? Why did it go extinct? And is there anything we can learn from past extinctions? Three guests to help us reflect on this prehistoric branch on the salmon family tree: Ray Troll (artist), Kerin Claeson (professor of anatomy at the Philadelphia College of Osteopathic Medicine), and Brian Sidlauskas (professor and curator of fishes at Oregon State University).

Salmón es el nombre común de varias especies comercialmente importantes de peces eurihalinos con aletas radiadas de los géneros Salmo y Oncorhynchus de la familia Salmonidae, comer salmón aporta una variedad de vitaminas y minerales, incluyendo vitaminas del complejo B, vitamina D, selenio y potasio. L'articolo Receta de Salmón – Martes 18 jun 2024 proviene da Radio Maria.

In today's episode, we will look at the story of Alexandra Morton, a whale researcher whose career took an unexpected turn when the whales all left. Join Clara and Emily on a journey up to British Columbia and learn about what might be causing the collapse of the wild salmon stocks. We explore the life story of a woman who persevered and made tremendous strides in research. References:Bartlett, S. (Host). (2022-Present). The Salmon People [Audio or Video podcast]. Canada's National Observer. The Salmon People podcast | Canada's National Observer: Climate News Morton, A. (2021). Not on my watch: How a renegade whale biologist took on governments and industry to save wild salmon. Random House Canada.Celebrity Wiki. (2020). Alexandra Morton. CelebsAgeWiki. Alexandra Morton Biography, Age, Height, Husband, Net Worth, Family (celebsagewiki.com)Fisheries and Oceans Canada (DFO). (2018, October 26). Atlantic salmon... a remarkable life cycle. Government of Canada. Atlantic salmon... a remarkable life cycle (dfo-mpo.gc.ca)Pacific Salmon Foundation (2024). Species & lifecycle. Species & Lifecycle | Pacific Salmon Foundation (psf.ca)PacificWild (2024). Pacific salmon species spotlight. Pacific Salmon Species Spotlight - Pacific WildDean, C. (2008, November 3). Saving wild salmon, in hopes of saving the orca. The New York Times. Saving Wild Salmon, in Hopes of Saving the Orca - The New York Times (nytimes.com)Morton, A., Routledge, R., Peet, C., & Ladwig, A. (2004). Sea lice (Lepeophtheirus salmonis) infection rates on juvenile pink (Oncorhynchus gorbuscha) and chum (Oncorhynchus keta) salmon in the nearshore marine environment of British Columbia, Canada. Canadian Journal of Fisheries and Aquatic Sciences, 61 (2), 147-157. Kibenge, M.J.T., Wang, Y., Gayeski, N., Morton, A., Beardslee, K., McMillan, B., & Kibenge, F. S. B. (2019). Piscine orthoreovirus sequences in escaped farmed Atlantic salmon in Washington and British Columbia. Virology Journal, 16(41). https://doi.org/10.1186/s12985-019-1148-2

How would you pronounce Oncorhynchus clarki lewisi? See if you got it right by listening to today's guest, Pat Bigelow. Years ago, Pat intended to spend one summer in Montana—until she landed a seasonal job working on Yellowstone Lake. Now, she's a fisheries biologist with decades of experience studying and restoring native fish to the park's waters. Learn more about fish management in Yellowstone at go.nps.gov/YELLFishMgmt View definitions & links discussed in this episode at go.nps.gov/WhatWeDoPodcast

We love discussing aquarium fish, but in reality, this only includes the tiniest fraction of all fish species! In this episode, the Water Colors team discusses their top 5 non-aquarium fishes! From big ocean fish to cold-water trout, we're talking about some of our favorite fish from around the world. Referenced clips: EVNautilus clip - mola mola EVNautilus clip - stubby squid Join the discussion on the Water Colors Aquarium Gallery Podcast Listeners Facebook group! https://www.facebook.com/groups/788428861825086/ Enjoying the show? Support the gallery by shopping aquarium plants, merch, equipment, and more! https://watercolorsaquariumgallery.com/ Looking for more content? Become a YouTube member for exclusive access to behind the scenes livestreams! https://www.youtube.com/@watercolorsaquariumgallery Species mentioned in this episode: Mola mola, Ocean sunfish Labroides dimidiatus, Cleaner wrasse Salvelinus fontinalis, Brook trout Lepomis macrochirus, Bluegill Otodus megalodon, Megalodon Aetobaus narinari, Spotted eagle ray Family 'Opisthoproctidae' - Barreleyes Latimeria chalumnae, African coelacanth Carcharhinus galapagensis, Galapagos Shark Phycodurus eques, Leafy sea dragon Anguilla eels Rhincodon typus, Whale shark Urogymnus polylepis, Giant freshwater stingray Oncorhynchus tshawytscha, Chinook salmon Coryphaena hippurus, Mahi mahi

La consommation de poisson par habitant augmente et le Saumon reste le plus mangé en France devant le Thon. L'histoire a commencé dès l'Antiquité, sa consommation est avérée en Aquitaine depuis cette époque. Bataille de nomenclature, le mot “Saumon” est ambigu en français. Il désigne 11 espèces de la famille des Salmonidés réparties dans différents genres. Au milieu de Truites, seul le Saumon atlantique fait partie du genre Salmo. Il y a ensuite 2 espèces du genre Hucho vivant dans le bassin du Danube et en Sibérie et enfin 8 espèces du genre Oncorhynchus dans le Pacifique dont le célèbre Saumon rouge.Par le passé, le Saumon atlantique, Salmo salar, était présent dans tous les cours d'eau français. Vivant entre l'océan, où il passe la plus grande partie de sa vie, et les rivières, où il va se reproduire puis mourir, son cycle de vie est dit anadrome.Aujourd'hui, c'est de Norvège que provient une grande partie du saumon consommé en France, et il est élevé en aquaculture, à grand renfort de farine de poissons sauvages.Avec la construction de barrages, la migration lui permettant de se reproduire est empêchée. En ajoutant à cela la pollution et la surpêche, les populations de Saumons ont chuté. A l'état sauvage, les cours d'eau français ont pratiquement vu tous leurs Saumons disparaître.Retrouvez plus d'informations sur le site de BSG avec l'article d'Héloïse Caraty______On aime ce qui nous a émerveillé … et on protège ce qu'on aime.______PARTAGERSous notre Gravillon vous trouverez… 4 podcasts, 1 site, 1 compte Instagram, 1 page + 1 groupe Facebook et 1 asso. Il nous serait très précieux et utile que vous partagiez ce lien :https://baleinesousgravillon.com/liens-2Pour nous aider, vous pouvez vous abonner et partager nos liens, et nous laisser des étoiles et surtout un avis sur Apple Podcast et Spotify. Ainsi, nous serons ainsi plus visibles et mieux recommandés. Merci :)_______SOUTENIRTous nos podcasts sont faits bénévolement. Ils sont gratuits, sans pub et accessibles à tous. Vous pouvez faire un don sur Helloasso (ou sur Tipeee), adhérer à l'asso BSG, ou installer gratuitement le moteur de recherche Lilo et nous reverser vos gouttes :https://bit.ly/helloasso_donsUR_BSGhttps://bit.ly/lien_magq_lilo_BSGhttp://bit.ly/Tipeee_BSG_______TRAVAILLER ENSEMBLEVous voulez créer un podcast ? Nous vous formons et/ou accompagnons !Nous proposons des Fresques de la biodiversité, des conférences et animons des tables rondes. Nous cherchons des sponsors et des partenaires : contact@baleinesousgravillon.comMontage / programmation : Zeynab Tamoukh

La consommation de poisson par habitant augmente et le Saumon reste le plus mangé en France devant le Thon. L'histoire a commencé dès l'Antiquité, sa consommation est avérée en Aquitaine depuis cette époque. Bataille de nomenclature, le mot “Saumon” est ambigu en français. Il désigne 11 espèces de la famille des Salmonidés réparties dans différents genres. Au milieu de Truites, seul le Saumon atlantique fait partie du genre Salmo. Il y a ensuite 2 espèces du genre Hucho vivant dans le bassin du Danube et en Sibérie et enfin 8 espèces du genre Oncorhynchus dans le Pacifique dont le célèbre Saumon rouge.Par le passé, le Saumon atlantique, Salmo salar, était présent dans tous les cours d'eau français. Vivant entre l'océan, où il passe la plus grande partie de sa vie, et les rivières, où il va se reproduire puis mourir, son cycle de vie est dit anadrome.Aujourd'hui, c'est de Norvège que provient une grande partie du saumon consommé en France, et il est élevé en aquaculture, à grand renfort de farine de poissons sauvages.Avec la construction de barrages, la migration lui permettant de se reproduire est empêchée. En ajoutant à cela la pollution et la surpêche, les populations de Saumons ont chuté. A l'état sauvage, les cours d'eau français ont pratiquement vu tous leurs Saumons disparaître.Retrouvez plus d'informations sur le site de BSG avec l'article d'Héloïse Caraty______On aime ce qui nous a émerveillé … et on protège ce qu'on aime.______PARTAGERSous notre Gravillon vous trouverez… 4 podcasts, 1 site, 1 compte Instagram, 1 page + 1 groupe Facebook et 1 asso. Il nous serait très précieux et utile que vous partagiez ce lien :https://baleinesousgravillon.com/liens-2Pour nous aider, vous pouvez vous abonner et partager nos liens, et nous laisser des étoiles et surtout un avis sur Apple Podcast et Spotify. Ainsi, nous serons ainsi plus visibles et mieux recommandés. Merci :)_______SOUTENIRTous nos podcasts sont faits bénévolement. Ils sont gratuits, sans pub et accessibles à tous. Vous pouvez faire un don sur Helloasso (ou sur Tipeee), adhérer à l'asso BSG, ou installer gratuitement le moteur de recherche Lilo et nous reverser vos gouttes :https://bit.ly/helloasso_donsUR_BSGhttps://bit.ly/lien_magq_lilo_BSGhttp://bit.ly/Tipeee_BSG_______TRAVAILLER ENSEMBLEVous voulez créer un podcast ? Nous vous formons et/ou accompagnons !Nous proposons des Fresques de la biodiversité, des conférences et animons des tables rondes. Nous cherchons des sponsors et des partenaires : contact@baleinesousgravillon.comMontage / programmation : Zeynab Tamoukh

The cutthroat trout (Oncorhynchus clarkii) is a fish species of the family Salmonidae native to cold-water tributaries of the Pacific Ocean, Rocky Mountains, and Great Basin in North America. As a member of the genus Oncorhynchus, it is one of the Pacific trout, a group that includes the widely distributed rainbow trout. Cutthroat trout are popular gamefish, especially among anglers who enjoy fly fishing. The common name "cutthroat" refers to the distinctive red coloration on the underside of the lower jaw. The specific name clarkii was given to honor explorer William Clark, coleader of the Lewis and Clark Expedition. Source: https://en.wikipedia.org/wiki/Cutthroat_trout License: Creative Commons Attribution-ShareAlike License 3.0;

Animales Evolucion Y Adaptaciones #3 Ave de Darwin (Camarhynchus heliobates) Después de Diez Generaciones (Hypolimnas bolina) Palitos Evolucionando (Phasmatodea) Electrizante Evolución (Electrophorus electricus) Subiendo el Río (Oncorhynchus gorbuscha) Y Los Cuernos? (Ovis canadensis) Con la Nariz (Cystophora cristata) Entre Roedores (Mus) Por el Río Hudson (Aspidophoroides monopterygius) En 15 Años (Anolis carolinensis) Con Colmillos (Elaphodus cephalophus) Hormiga Anzuelo (Polyrhachis bihamata) - Camboya, en el Parque Nacional Virachey #2 Astyanax Mexicanus Loto De Nieve Tibetano - Enanismo Inducido Por Humanos (Saussurea laniceps) Aguará Guazú (Chrysocyon brachyurus) Gusanos Zombis (Osedax) Lagartos Cornudos (Phrynosoma) Locha Payaso (Chromobotia macracanthus) Iguana Marina (Amblyrhynchus cristatus) Pepinos De Mar (Holothuroidea) Gusano De La Raíz Del Maíz (Diabrotica virgifera virgifera) Cangrejos (Astacoidea) vs. Mejillones (Mytilidae) Sapo Gigante (Rhinella marina) Gacela De Waller (Litocranius walleri) #1 Chinches de Cama Okapi Bacalao Atlántico Come Pájaros Goliat Pez Globo de Gallinas de Guinea Hormigas De Miel Ratones Escarabajo Bombardero Elefantes Tortuga Del Río María Hormiga Loca Cebrallo Sept 28 - Animal Evolution & Adaptation (1-3) = Animales Evolucion Y Adaptaciones (#3-1) --- Send in a voice message: https://podcasters.spotify.com/pod/show/universos-abiertos/message Support this podcast: https://podcasters.spotify.com/pod/show/universos-abiertos/support

Le 25 mars avait lieu la Journée Mondiale pour la Fin de la Pêche et des élevages aquacoles (la JMFP), comme chaque année le dernier samedi du mois de mars.  C'est une journée absolument essentielle pour rappeler que les poissons et les invertébrés aquatiques, donc les crustacés et les poulpes, sont les premières et plus nombreuses victimes du spécisme pour la consommation humaine.  Et pourtant ils sont encore trop souvent oubliés et complètement déconsidérés, du grand public bien entendu, mais y compris parfois au sein de la cause animale qui consacre bien plus de moyens aux chats et chiens ou plus largement aux animaux qu'on trouve mignons ou auxquels on peut s'identifier, ce qui exclut presque toujours les animaux aquatiques (à part peut-être les cétacés comme les dauphins et les baleines).  Avec mon invité Sébastien Moro, vulgarisateur scientifique spécialisé dans la cognition et le comportement animal, on débunke plusieurs des mythes et des préjugés qu'on a sur les poissons. Vous verrez, une fois qu'on les connaît mieux, on réalise à quel point les poissons sont des animaux incroyablement stylés et qui méritent vraiment toute notre considération. Bonne écoute ! Merci à @fairshot.photo pour la superbe photo de Sébastien, et l'autorisation de l'utiliser pour le visuel ________________________________ Références et sources citées dans l'entretien :   - Journée Mondiale pour la Fin de la Pêche et des élevages aquacoles (la JMFP) : https://end-of-fishing.com/fr/ - Les poissons ont des nocicepteurs : https://www.research.ed.ac.uk/en/publications/do-fishes-have-nociceptors-evidence-for-the-evolution-of-a-verteb - Les poissons réagissent de façon flexible à une blessure : https://www.researchgate.net/publication/43477516_Avoidance_learning_in_goldfish_Carassius_auratus_and_trout_Oncorhynchus_mykiss_and_implications_for_Pain_perception - L'article de Lynne Sneddon sur les critères de sentience chez les poissons : https://pubmed.ncbi.nlm.nih.gov/25833131/ - Jane Goodall, éthologue - Les poissons peuvent compter : https://link.springer.com/article/10.1007/s10071-008-0140-9 - Les poissons peuvent additionner et soustraire : https://www.nature.com/articles/s41598-022-07552-2 ________________________________ SOUTENIR : https://linktr.ee/poissonpodcast Comme un poisson dans l'eau est un podcast indépendant et sans publicité : votre soutien est indispensable pour qu'il puisse continuer à exister. Merci d'avance ! Les comptes Instagram, Twitter, Facebook et Mastodon du podcast sont également à retrouver dans le link tree ! CRÉDITS Comme un poisson dans l'eau est un podcast indépendant créé et animé par Victor Duran-Le Peuch. Charte graphique : Ivan Ocaña Générique : Synthwave Vibe par Meydän Musique : Last Summer par Ikson

Michael Shin is a professor in the UCLA Department of Geography, faculty affiliate in the Department of Statistics, and faculty research affiliate at both the California Center for Population Research (CCPR), and the UCLA Center for Health Policy Research. Michael is also faculty director of the UCLA Geospatial initiative, the mission of which is to meet the growing demand for geospatial analysis across campus and beyond. As an expert in geospatial methods and techniques, this project draws from his love for the outdoors, fly fishing for trout, and concern about the climate crisis and its broader impacts. Michael received a B.A. (1992) in International Affairs (minor in Italian), and a M.A. (1995), and Ph.D. (1998), in Geography, from the University of Colorado at Boulder. It is no surprise that the golden trout (Oncorhynchus mykiss aguabonita) is the official state fish of California. Despite its beauty, the future of the California golden trout is in question. Livestock grazing degrades the fragile native habitat of the state fish, while alien and invasive species like rainbow and brown trout hybridize with, and prey upon, the golden trout. Whether or not, and for how long, the golden trout can withstand the effects of other environmental stressors – climate change and climate crisis – remains to be seen, and is the focus of this project. Learn more about your ad choices. Visit megaphone.fm/adchoices

Michael Shin is a professor in the UCLA Department of Geography, faculty affiliate in the Department of Statistics, and faculty research affiliate at both the California Center for Population Research (CCPR), and the UCLA Center for Health Policy Research. Michael is also faculty director of the UCLA Geospatial initiative, the mission of which is to meet the growing demand for geospatial analysis across campus and beyond. As an expert in geospatial methods and techniques, this project draws from his love for the outdoors, fly fishing for trout, and concern about the climate crisis and its broader impacts. Michael received a B.A. (1992) in International Affairs (minor in Italian), and a M.A. (1995), and Ph.D. (1998), in Geography, from the University of Colorado at Boulder. It is no surprise that the golden trout (Oncorhynchus mykiss aguabonita) is the official state fish of California. Despite its beauty, the future of the California golden trout is in question. Livestock grazing degrades the fragile native habitat of the state fish, while alien and invasive species like rainbow and brown trout hybridize with, and prey upon, the golden trout. Whether or not, and for how long, the golden trout can withstand the effects of other environmental stressors – climate change and climate crisis – remains to be seen, and is the focus of this project. Learn more about your ad choices. Visit megaphone.fm/adchoices

Most anglers listening to this podcast likely understand that the species Oncorhynchus mykiss exhibits a complex of reproductive behaviors that generally involve summer-run steelhead, winter-run steelhead, and resident rainbow trout that all can spawn in the same river. But is it a case that ‘never the twain shall meet'? Listen to Wild Steelhead Coalition Science Advisor Guy Fleischer on what differentiates young steelhead from resident rainbow trout in such river systems.

Today, we have a special podcast for our 100th episode! And what better way to celebrate then to discuss our favorite drinks to have while we are recording. Let us know on the Water Colors Aquarium Gallery Podcast Facebook Listeners group what you're drinking at home. Corrections: - Iron Fish Distillery is named for the steelhead trout (Oncorhynchus mykiss) runs in the Betsie River. Drinks Mentioned in this Episode: - Painkiller (with Smith & Cross Traditional Jamaica Rum) - Rogue River Brown Ale (from Rockford Brewing Company) - No Diggnity Juicy IPA (from Pigeon Hill Brewing Company) - Gin and Tonic (with Gray Whale Gin) - Petoskey Stone Botanical Gin (from High Five Spirits) - Mykiss IPA (from Blackrocks Brewery) - All Day IPA (from Founders Brewing Company) - New England IPA (from Crooked Birch Brewery) - Four Cask Finished Bourbon Whiskey (from Iron Fish Distillery) - Wheezin' the Juice IPA (from Grand Armory Brewing Company) - Bellaire Brown (from Shorts Brewing Company) - Water ("Winners stay hydrated.") - Longbranch Bourbon (from Wild Turkey Distilling Company) - Sierra Nevada Pale Ale (from Sierra Nevada Brewing Company) - Oberon Ale (from Bell's Brewery) - Two-Hearted IPA (from Bell's Brewery) - Dogfish Head Craft Brewery - Peppermint Schnapps and Coke - Mai Tai - US*1 American Whiskey (from Michter's Distillery) - Official Hazy IPA (from Bell's Brewery) - Bean Flicker Coffee Blonde Ale (from Odd Side Ales) - Bourbon Whiskey Finished in Maple Syrup Barrels (from Iron Fish Distillery) - Chocolate Vanilla Stout (from Crooked Birch Brewery) - Cider (from Crocked Birch Brewery) - Buffalo Trace Bourbon - Copalli Single Estate Cacao Rum (from Copalli Spirits) - M-43 IPA (from Old Nation Brewing Company) - Arvon Brewing Company - Brewery Vivant - Dragon's Milk (from New Holland Brewing Company) - Fat Tire Amber Ale (from New Belgium Brewing Company) - Mosaic Gold (from Grey Line Brewing Company) - Mossaca IPA (from Grey Line Brewing Company) - Fade Nitro Oat Stout (from Grey Line Brewing Company) - Breakfast Rye(from Eastern Kille Distillery) - Knickerbocker Gin (from New Holland Brewing Company)

En conversación con Región Acuícola de Radio Sago el Dr. Carlos Loncomán* entregó detalles sobre la exposición que dará en el seminario Aquavirus 2022 que organiza el Centro de Investigaciones Biológicas Aplicadas (CIBA) -programado para el 21 de julio en el Hotel Cabañas del Lago en Puerto Varas, la que se enfocará en el Piscine orthoreovirus (PRV) en Salmón coho (Oncorhynchus kisutch), virus que causa gran daño en el interior de los ejemplares y donde algunos órganos quedan con una pigmentación de color amarillo. Para el doctor este es uno de los principales virus que afecta a los centros de cultivo de salmones en el país. Acá la entrevista completa. *Médico Veterinario titulado el 2012 de la Universidad Austral de Chile. Su tesis de pregrado la desarrolló en canales de potasio de salmónidos y el rol que juegan estos canales en el proceso de smotificación. Posteriormente, realizó sus estudios de doctorado en la Universidad de Melbourne, Australia, en el área de virología veterinaria, estudiando el virus de la laringotraqueitis infecciosa de los pollos y el rol de la recombinación en la evolución del genoma de este virus. Desde el 2019, se encuentra trabajando como profesor auxiliar del instituto de bioquímica y microbiología de la facultad de ciencias en la Universidad Austral de Chile. En el 2020, se adjudicó un proyecto interno para estudiar características de replicación del virus Piscine orthoreovirus utilizando eritrocitos de salmón coho como plataforma de cultivo ex vivo. --- Send in a voice message: https://anchor.fm/entrevistas-radio-sago/message

Link to bioRxiv paper: http://biorxiv.org/cgi/content/short/2020.07.22.215988v1?rss=1 Authors: Lopez, M.-E., Cadiz, M. I., Rondeau, E., Koop, B. F., Yanez, J. Abstract: Animal domestication and artificial selection give rise to gradual changes at the genomic level in populations. Subsequent footprints of selection known as selection signatures or selective sweeps have been traced in the genomes of many animal livestock species by exploiting variations in linkage disequilibrium patterns and/or reduction of genetic diversity. Domestication of most aquatic species is recent in comparison with land animals, and salmonids are one of the most important fish species in aquaculture. Coho salmon (Oncorhynchus kisutch), cultivated primarily in Chile, has been subject to breeding programs to improve growth, disease resistance traits, and flesh color. This study aimed to identify selection signatures that may be involved in adaptation to culture conditions and traits of productive interest. To do so, individuals of two domestic populations cultured in Chile were genotyped with 200 thousand SNPs, and analyses were conducted using iHS, XP-EHH and CLR. Several signatures of selection on different chromosomal regions were detected across both populations. Some of the identified regions under selection contained genes such anapc2, alad, chp2 and myn that have been previously associated with body weight in Atlantic salmon or sec24d and robo1 that have been associated with disease resistance to Piscirickettsia salmonis in coho salmon. Findings in our study can contribute to an integrated genome-wide map of selection signatures, to help identify the genetic mechanisms of phenotypic diversity in coho salmon. Copy rights belong to original authors. Visit the link for more info

Nesse episódio entrevistei o amigo Fausto Parreira. A mais de 10 o Fausto percorre os rios da Patagonia Argentina em busca das trutas marrom ( Salmo trutta), arco-íris (Oncorhynchus mykiss)  e fontinalis (Salvelinus fontinalis). Em nosso bate papo ele conta como fazer para tornar sua pescaria mais acessível, quais equipamentos levar e como fazer isso de forma totalmente legalizada.

The doctors of awesome solve the case of the Woman Who Visited Lebanon, and reveal that immunoglobulins protect the olfactory organ of trout against infection with the Ich parasite. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiP. Links for this episode: Mucosal Ig protect trout from Ich (PLoS Path) Hero: Sir Patrick Manson Letters read on TWiP 163 Case Study for TWiP 163 From here in US before leaving for Uganda: male has lesion affecting nose. Has been having problem with nose for 2 yr, in 40s, surfer, hit nose with board. Southern eastern Costa Rica. After that had blood and scabs from nose. Inside of nares, scab formed. Did not improve with time. Saw ENT doc on LI, said he hit nose and needs reconstructive surgery. Entire septum destroyed. 20+ years ago had non healing ulcer on left hand, saw physician in CR, was treated for 20 days. Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees

Thanks to 23andMe for sponsoring this video! http://www.23andme.com/minuteearth When we domesticate an animal species, their brains shrink and they freak out less. Thanks also to our supporters on ___________________________________________ To learn more, start your googling with these keywords: Domesticated animal: a species of animal bred by humans over generations to become nonreactive and gain characteristics suitable for life as a farm animal or pet Tame animal: an individual animal raised in a way that it has become less dangerous and frightened of people Feral animal: an animal that escapes from captivity or domestication (& regains some similar & some different characteristics compared to its pre-domesticated state) "Fight or flight": an instinctive physiological response to a threatening situation that readies a creature to either to resist forcibly or escape Limbic system: the brain’s “panic button” - a system of nerves and networks near the bottom of the cortex that controls basic emotions (e.g. fear, pleasure, anger) and drives (e.g. hunger, sex, dominance) Telencephalon: the most developed and anterior part of the forebrain, consisting chiefly of the cerebral hemispheres, and the brain region that shrinks most in domesticated animals Domestication: a sustained multigenerational, mutualistic relationship in which one species (e.g. humans) assumes a significant degree of influence over the reproduction and care of another species (e.g. cows) in order to secure a more predictable supply of a resource of interest (e.g. milk/meat/traction), and through which the domesticated organisms gain advantage over individuals that remain outside this relationship (e.g. aurochs, which went extinct), thereby benefitting and often increasing the fitness of both species involved ___________________________________________ If you liked this week’s video, you might also like: Brain Scoop video on brain size and intelligence: https://www.youtube.com/watch?v=hJW8jIDfP9E Russian Fox Domestication Experiment: https://goo.gl/5nWnXz What happens to domesticated animals & their brains when they escape back to the wild?: http://www.nature.com/news/when-chickens-go-wild-1.19195#/free%5C _________________________________________ Subscribe to MinuteEarth on YouTube: http://goo.gl/EpIDGd Support us on Patreon: https://goo.gl/ZVgLQZ And visit our website: https://www.minuteearth.com/ Say hello on Facebook: http://goo.gl/FpAvo6 And Twitter: http://goo.gl/Y1aWVC And download our videos on itunes: https://goo.gl/sfwS6n ___________________________________________ Credits (and Twitter handles): Script Writer: Alex Reich (@alexhreich) Script Editor: Emily Elert (@eelert) Video Illustrator: Keenan Parry & Ever Salazar (@unpuntocircular) Video Director: Emily Elert (@eelert) Video Narrator: Emily Elert (@eelert) With Contributions From: Henry Reich, Kate Yoshida, Ever Salazar, Peter Reich, David Goldenberg Music by: Nathaniel Schroeder: http://www.soundcloud.com/drschroeder ___________________________________________ References: Agnvall, B. et al. 2017. Is evolution of domestication driven by tameness? A selective review with focus on chickens. Applied Animal Behaviour Science. https://doi.org/10.1016/j.applanim.2017.09.006 Eberhard, W. G., & Wcislo, W. T. 2011. Grade changes in brain-body allometry: morphological and behavioural correlates of brain size in miniature spiders, insects and other invertebrates. Advances in Insect Physiology, 40, 155. http://www.stri.si.edu/sites/publications/PDFs/2011_Eberhard_Wcislo_AdvIns_Physiol.pdf Kruska, D. C. 2005. On the evolutionary significance of encephalization in some eutherian mammals: effects of adaptive radiation, domestication, and feralization. Brain, behavior and evolution, 65(2), 73-108. https://goo.gl/J86NEd Kruska, D. C. Personal Communication, Oct 2017. Marchetti, M. P., & Nevitt, G. A. 2003. Effects of hatchery rearing on brain structures of rainbow trout, Oncorhynchus mykiss. Environmental biology of Fishes, 66(1), 9-14. https://goo.gl/GL6LWG Marchetti, M. Personal Communication, Oct 2017. Wright, D. Personal Communication, Oct 2017. Zeder, M. A. 2012. Pathways to animal domestication. Biodiversity in agriculture: Domestication, evolution and sustainability, 227-259. https://goo.gl/2xWSB8 Zeder, M. A. 2015. Core questions in domestication research. Proceedings of the National Academy of Sciences, 112(11), 3191-3198. http://www.pnas.org/content/112/11/3191.full Zeder, M. A. Personal Communication, Oct 2017.

Ziel der vorliegenden Dissertationsarbeit war es, die mögliche Empfänglichkeit von Karpfen (Cyprinus carpio), Koi-Karpfen (Cyprinus carpio koi) und Zebrabärblingen (Danio rerio) gegenüber der Drehkrankheit mittels Nested-PCR und histologischen Untersuchungen zu klären. Zum Vergleich wurden Drehkrankheit-empfindliche Regenbogenforellen (Oncorhynchus mykiss) mit untersucht. Für die Untersuchungen zum Eintritt von Triactinomyxon-Sporen wurden Regenbogenforellen, Karpfen, Koi-Karpfen und Zebrabärblinge exponiert und jeweils 5 Minuten, 4, 6, 8, 12 und 18 Stunden, 1, 2, 3 und 5 Tage nach der Exposition die Parasitenstadien in der Schwanzflosse und in der Haut (an der lateralen Seite) der Forellen gezählt. Bei den Regenbogenforellen wurden in den Schwanzflossen nach fünf Minuten und vier Stunden Parasitenzahlen zwischen 16 bis 25 auf einer Fläche von 1 cm² pro Hautstück (an der lateralen Seite) gefunden, während bei allen drei untersuchten Cypriniden durchschnittlich 5 intakte eingedrungene Amöboidkeimzellen pro Fisch histologisch nachweisbar waren. In der Schwanzflosse und in der Haut von Karpfen, Zebrabärblingen, Koi-Karpfen und Regenbogenforellen war zu den Untersuchungszeitpunkten 1, 4 und 8 Stunden p.e. DNA von M. cerebralis nachweisbar. Nach acht Stunden waren bei den Regenbogenforellen und bei allen drei untersuchten Cypriniden die Ambödkeimzellen noch intakt. Außerdem war eine Abnahme der Anzahl an Parasitenstadien in der Haut nur bei den Regenbogenforellen zu detektieren. Ab 8 Stunden bis 60 Tage post expositionem konnte bei Regenbogenforellen in den Schwanzflossen ein Rückgang der Infektionsintensität festgestellt werden. In der Epidermis der Schwanzflossen war die durchschnittliche Triactinomyxon-Sporen-Dichte mit Abstand am höchsten. Es konnte jedoch zum Untersuchungszeitpunkt 60 Tage bei Regenbogenforellen Parasiten-DNA mittels Nested-PCR nachgewiesen werden, obwohl diese Fische bei der histologischen Untersuchung negativ getestet wurden. Ab 50 Tage post expositionem waren nur bei den Regenbogenforellen im Kopfknorpel Entwicklungsstadien von M. cerebralis und Veränderungen in Form von Degenerationen zu finden. Alle drei untersuchten Cypriniden wiesen im Kopfknorpel keine Entwicklungsstadien von M. cerebralis oder Schädigungen auf. Nach den Ergebnissen der vorliegenden Arbeit kann somit vermutet werden, dass viele Sporoplasmen in die Epidermis der Cypriniden eindrangen, aber den Knorpel nicht erreichen konnten. Der Beweis für die erfolgte Infektion des Schädelknorpels der Regenbogenforellen mit M. cerebralis wurde anhand der klinischen und histologischen Befunde durchgeführt, während in allen drei untersuchten Cyprinidenarten, der Parasit die Haut eindrangenx , aber nicht weiter entwickeln konnte. Die aus Hautproben, Schwanzflossen und Knorpelproben der infizierten Karpfen, Koi-Karpfen, Zebrabärblinge und Regenbogenforellen gewonnene DNA wurde mittels Nested-PCR amplifiziert. Dabei stellte sich heraus, dass die Nested-PCR deutlich sensitiver war als die histologische Untersuchung mit Hämatoxylin- und Eosin- Färbung. Aufgrund der vorliegenden Ergebnisse können weiterführende Untersuchungen durchgeführt werden, um die Resistenzmechanismen der Cypriniden gegenüber der Drehkrankheit klären zu können.

Fri, 9 Feb 2007 12:00:00 +0100 https://edoc.ub.uni-muenchen.de/6896/ https://edoc.ub.uni-muenchen.de/6896/1/Severin_Vanessa_I_C.pdf Severin, Vanessa

Investigation into the susceptibility of a German wild rainbow trout strain (Oncorhynchus mykiss) to Myxobolus cerebralis, the causative agent of whirling disease in salmonids Whirling disease is an important parasitic disease of salmonids that attains increasing importance in Europe and in the USA. Previous studies have shown that a hatchery rainbow trout strain from Germany (DtHo) is relatively resistant to whirling disease compared to three other German strains and one North American strain. The focus of this work was to investigate the susceptibility of the German wild rainbow trout strain DtWf to Myxobolus cerebralis and compare it with an American rainbow trout strain (AmTl), known to be very susceptible to the parasite. For the laboratory exposure, the trout strains were divided into 5 groups, each with 30 to 40 fish. These groups were infected with different doses of triactinomyxon-spores. The Susceptibility to whirling disease was gauged using the following two parameters, the incubation time and the percentage of fish exhibiting clinical signs of the disease over a five month period. Five months post exposure, 10 fish from each group were randomly taken for histological evaluation and counting of the spores. Each fish was processed separately. They were anesthetized; the weight and the length of each fish were documented. The present findings indicate that the German wild trout strain was less susceptible to whirling disease than the American AmTl strain. In the American strain, the disease had the shortest incubation time and lead to the most severe clinical symptoms. In the laboratory experiments, the American strain AmTl had the highest prevalence of infection. The spore count and the patho-histological assessments showed that the American strain was remarkably more susceptible to the disease than the German wild trout strain. Indeed, the American strain AmTl had 18 times more spores develop in their head than the German strain DtWf, at a dosage comparable to that present natural condition in North America. The investigation demonstrated that German strain of rainbow trout DtWf possess significantly greater resistance to whirling disease than the American strain AmTl.

The purpose of this study was to examine the effects of Rare Earth Elements (REE) on growth performance and meat quality parameters of fresh water fish. The general setting for this nutritional experiment is based on data from China, where remarkable effects have been achieved using REE as growth promotors for almost all agriculturally utilizable species as well as for fish-farming. The goal was to examine whether we could reproduce the results of the Chinese experiments under western livestock husbandry conditions. Since in pig production, our data give highest effects with REE-citrate, this compound was also chosen for the fish studies. Therefore a feeding experiment was conducted with carps (Cyprinus carpio L.) and rainbow trouts (Oncorhynchus mykiss), known as the most common species in the production of fresh-water fish. For the first experiment a REE-citrate mixture was homogenously mixed into a trout diet at a concentration of 0ppm, 100ppm, 200ppm and 400ppm. The rainbow trouts had an average initial weight of 145g and were divided into four groups of 200 fish each. For 12 weeks the parameters weight gain, feed-intake and feed-conversion ratio were determined. At the end of the experiment the weight of fish fillet, pH-Value, meat colour und fish meat texture were analysed. No positive effects of the REE on growth performance and feed-conversion ratio could be observed. The meat quality of the REE-groups did not differ from that of the control group. In the carp experiment 3050 animals with an average initial weight of 30g were distributed to eight natural ponds. The control group (4 ponds) obtained a customary pellet diet for carp; the experimental group (4 ponds) obtained the diet supplemented with REE–citrate to maintain a concentration of 400ppm. Over a period of 14 weeks the development of weight gain, the feed-intake and the feed-conversion ratio were documented as performance parameters. After the experiment the changes in the content of fat and protein in fish were examined. Although several ponds displayed positive tendencies, the total result was that the supplement of REE does not influence body weight gain rate or feed-conversion ratio in a positive way. These results indicate that REE, supplemented to fish, does not improve any performance parameters of fish, contrary to other farm animals.

Glycans and sugar binding molecules (lectins) form a mutual recognition system which enables parasitic organisms to adhere on host cells and to migrate to target tissue. The aim of the present study was to detect and localize carbohydrate-binding activities in developmental stages of M. cerebralis. The binding patterns of thirteen biotin-labelled neoglycoconjugates were examined histochemically in thin-sections of infected rainbow trout (Oncorhynchus mykiss) and oligochaete (Tubifex tubifex) and preparations of waterborne triactinomyxon spores. A further aim was to characterise glycan epitopes in the myxospore stage of M. cerebralis. Lectin and Western blotting analyses were performed by using selected biotin-labelled plant lectins (GSA-I, PHA-E, SJA, GSA-II) and TAM-antiserum. Glycoproteins were isolated by using lectin affinity chromatography and prominent bands were characterised by mass spectrometry (MALDI/MS). Distinct structure-selective and developmental stage-regulated expression of certain classes of carbohydrate binding was observed. In TAM spores, expression of carbohydrate binding activity specific for alpha-L-Fuc-BSA-biotin, alpha-D-GalNAc-BSA-biotin, Lac-BSA-biotin und ASF-biotin was up-regulated in the polar capsules; shell valves showed no activity. In the gut of T. tubifex, polar capsules of the parasite showed strong positive reaction only with beta-D-GlcNAc-BSA-biotin. In fish cartilage polar capsules were negative, but the spore shell valves showed a broad range of carbohydrate binding activities. No activity was detected for either alpha 2-6- or alpha 2-3-linked N-acetyl-D-neuraminic acid. An adhesion assay was performed and myxospores were found to specifically adhere to matrices containing residues of lactose, fucose, galactose, N-acetyl-D-galactosamine and N-acetyl-D-glucosamine. Furthermore it was identified that glycoepitopes of myxospores contain carbohydrate motifs reactive with PHA-E (proteins 7-70 kDa), SJA (7-70 kDa), GSA-I (10-209 kDa) and GSA-II (5-40 kDa). Mcgp33, a glycoprotein isolated by lectin affinity chromatography is reactive with SJA (about 33 kDa) and is exclusively expressed in the myxospore stage. The application of antiserum against triactinomyxon spores of M. cerebralis indicates differences in antigenicity of isolated glycoproteins from both, waterborne TAM spores and M. cerebralis myxospores. This is the first investigation which identifies lectin activity in a parasite of the phylum myxozoa. A participation of the characterised molecules is suspected in the parasite to mediate the complex process of host recognition, adhesion and invasion. Furthermore, the detected activities can participate in the protection of the spores against environmental forces and may generate immune reactions during migration in the host tissue.

Anesthesia of Rainbow trouts (Oncorhynchus mykiss) with clove oil and BHA – stress and product quality In the questioned experiment three different methods of anesthesia were tested on their influence of product quality and the possibility to minimise stress on the rainbow trouts to be slaughtered. One group was anesthesized by clove oil, another by BHA. Those were compared to a group stunned by a blow on the head. The effect of stress was measured by screening of HKT and catecholamines in the blood and by surveillance of behaviour during anesthesia. Product quality was judged out by sensory tests, optical examination of carcasses and concentration of anaesthetics in the blood. All three methods of anesthesia worked within a limited time, with no animal showing signs of typical behaviour under stress. Blood parameters did give hints for no or very low stress. In the mean of sensory testing a few persons were able to detect clove taste. Carcasses showed no sign of visible damages. All three methods of anesthesia are though likely to carry out anesthesia of rainbow trouts for slaughter without negative effects on product quality and in the means of animal welfare.