Article
Veterinary Sciences
Aimee N. N. Reed, Freya E. E. Rowland, Jennifer A. A. Krajcik, Donald E. E. Tillitt
Summary: Steelhead fry reared in Oregon hatcheries have a high mortality rate and show signs of vitamin B1 deficiency. This study explores whether thiamine supplementation can improve their health and survival. The results demonstrate that thiamine-treated fry had significantly higher survival and growth rates compared to those without thiamine supplementation.
VETERINARY SCIENCES
(2023)
Review
Oceanography
Samantha M. Wilson, Thomas W. Buehrens, Jennifer L. Fisher, Kyle L. Wilson, Jonathan W. Moore
Summary: This study examined the relationship between juvenile steelhead trout migration timing and ocean survival, highlighting the importance of body size, river exit date, and the biological spring transition date in influencing individual survival. Fish with larger body size during migration had higher ocean survival rates, while phenological mismatches could result in lower marine survival.
PROGRESS IN OCEANOGRAPHY
(2021)
Article
Biotechnology & Applied Microbiology
Bernat Morro, Richard Broughton, Pablo Balseiro, Sigurd O. Handeland, Simon Mackenzie, Mary K. Doherty, Phillip D. Whitfield, Munetaka Shimizu, Marnix Gorissen, Harald Sveier, Amaya Albalat
Summary: The study found that growth stunting in seawater-transferred rainbow trout is mainly caused by a significant downregulation in plasma IGF-I and liver igf1 transcription, while changes in the liver proteome suggest reactive-oxygen-species-mediated endoplasmic reticulum stress as a key mechanism underlying the phenotype. Lipidomic analysis revealed a reduction in triacylglycerols and elevated amounts of cardiolipins, a characteristic lipid class associated with oxidative stress, in the growth stunting phenotype.
Article
Fisheries
Samuel L. Bourret, Jill M. Janak, Tim J. Linley, Megan K. Nims, Geoffrey A. Mcmichael
Summary: Fish hatcheries release billions of fish into the wild every year, but this practice can negatively impact wild fish populations through competition and hybridization with native species. In Montana's Flathead River, Westslope Cutthroat Trout are threatened by hybridization with invasive Rainbow Trout, leading to genomic extinction. By analyzing otolith Sr-87/Sr-86 ratios, researchers were able to identify hatchery-origin Rainbow Trout in a tributary, highlighting the conservation risks posed by invasive species.
Article
Environmental Sciences
Zhen Ma, Jia Zhang, Xu Zhang, Haixia Li, Ying Liu, Lei Gao
Summary: Light and temperature are necessary for migratory fish, and assessing fish physiology and behavior is crucial for fish welfare and the optimal setting of aquaculture systems. This study explores the interactive effect of photoperiod and temperature on steelhead trout culture, providing important insights for effective aquaculture systems.
FRONTIERS IN MARINE SCIENCE
(2023)
Article
Environmental Sciences
Shisheng Ma, Li Li, Xiaoqun Chen, Shujing Chen, Yunwei Dong, Qinfeng Gao, Yangen Zhou, Shuanglin Dong
Summary: The study aimed to investigate the effects of different rhythmic light spectra and intensities on the growth and physiological parameters of juvenile steelhead trout. The results showed that the blue-purple-red light treatment promoted feed intake, body weight, and growth rate, and had positive effects on physiological indicators such as insulin-like growth factor 1 and thyroxine.
FRONTIERS IN MARINE SCIENCE
(2023)
Article
Fisheries
Jianfei Yu, Li Li, Yunwei Dong, Qinfeng Gao, Yangen Zhou, Shuanglin Dong
Summary: This study investigated the effects of dietary lipids on the growth and lipid deposition of steelhead trout through underwater confinement using different equipment. The results showed that increasing the dietary lipid levels significantly improved the growth and lipid content of the trout.
AQUACULTURE REPORTS
(2023)
Article
Environmental Sciences
Xueweijie Chen, Yangen Zhou, Jinze Huang, Dong An, Li Li, Yunwei Dong, Qinfeng Gao, Shuanglin Dong
Summary: This study investigated the response of juvenile steelhead trout under different light color conditions. The results showed that trout exposed to the 3B9R light environment exhibited improved digestive and anabolic performance, while trout exposed to the 6B6R light environment showed weakened performance. Additionally, the 12R light environment might cause oxidative stress. Therefore, the 3B9R light condition is considered optimal for improving the performance of steelhead trout.
FRONTIERS IN MARINE SCIENCE
(2022)
Article
Fisheries
Rebecca A. Dupre, Ryan Ardoin, Jesse Trushenski, Chris Jackson, Casey Grimm, Brennan Smith
Summary: The present research demonstrates that dietary exposure is an alternative route of geosmin uptake in Rainbow Trout fillets, leading to a significant increase in geosmin concentrations. This finding is important for further investigation of sensory quality and off-flavor mitigation strategies for farm-raised fish.
Article
Fisheries
Xueweijie Chen, Yangen Zhou, Jinze Huang, Dong An, Li Li, Yunwei Dong, Qinfeng Gao, Shuanglin Dong
Summary: This study investigated the effects of different red and blue light color combinations on the growth and immune response of steelhead trout. The results showed that a combination of blue and red light environment can enhance the immunity and growth of trout, but sudden changes in light color are not beneficial for trout aquaculture.
AQUACULTURE REPORTS
(2022)
Article
Fisheries
Felix Docando, Paula Arense, Alba Martin-Martin, Tiehui Wang, Carolina Tafalla, Patricia Diaz-Rosales
Summary: Disease prevention through vaccination is the most appropriate method for pathogen control in aquaculture, but oral vaccines face technical problems in aquatic animals. This study explores different molecules as oral adjuvants and finds that LPS shows strong immunostimulatory potential and could be safely used as a mucosal adjuvant in rainbow trout.
FISH & SHELLFISH IMMUNOLOGY
(2022)
Article
Fisheries
Manuela Pillinger, Barbara Weber, Benedict Standen, Markus C. Schmid, Jutta C. Kesselring
Summary: This study investigated the immune modulatory effects of probiotics on rainbow trout intestinal epithelial cells. The results showed that both single- and multi-strain probiotics could inhibit pathogen attachment and activate the immune response in rainbow trout intestinal epithelial cells. Multi-strain probiotics, particularly those including B. subtilis, had the best performance.
Article
Pharmacology & Pharmacy
Kamil Uney, Duygu Durna Corum, Ertugrul Terzi, Orhan Corum
Summary: This study investigated the pharmacokinetics of carprofen in rainbow trout broodstock via intravenous, intramuscular, and oral routes, showing favorable properties such as good bioavailability and long elimination half-life for the drug when administered via intramuscular and oral routes.
Article
Biochemistry & Molecular Biology
Jamie L. Mankiewicz, Matthew J. Picklo, Joseph Idso, Beth M. Cleveland
Summary: Leptin signaling plays a key role in regulating appetite and energy metabolism in rainbow trout. Disruption of the leptin receptor genes led to a hyperphagic phenotype and increased body weight and growth rate in the mutant fish. Leptin signaling also regulated muscle glycogen and fatty acid mobilization.
Article
Multidisciplinary Sciences
Michael S. Blouin, Madeleine C. Wrey, Stephanie R. Bollmann, James C. Skaar, Ronald G. Twibell, Claudio Fuentes
Summary: Salmonid fish raised in hatcheries often have lower fitness compared to wild fish, potentially due to hatcheries inadvertently selecting for traits that enhance growth but are maladaptive in the wild. Offspring of hatchery origin grow faster in hatchery conditions but have lower survival in the wild. There is no evidence that reducing the fat content in hatchery feed would reduce variation in body size among families.
Article
Fisheries
Christopher P. Tatara, Donald A. Larsen, Matt R. Cooper, Penny Swanson, Mollie A. Middleton, Jon T. Dickey, Deborah Harstad, Michael Humling, Chris R. Pasley, Barry Berejikian
NORTH AMERICAN JOURNAL OF FISHERIES MANAGEMENT
(2019)
Article
Genetics & Heredity
Mackenzie R. Gavery, Krista M. Nichols, Barry A. Berejikian, Christopher P. Tatara, Giles W. Goetz, Jon T. Dickey, Donald M. Van Doornik, Penny Swanson
Article
Fisheries
Barry A. Berejikian, Christopher P. Tatara, Donald M. Van Doornik, Michael A. Humling, Matt R. Cooper, Chris R. Pasley, Jeffrey J. Atkins
CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES
(2020)
Article
Fisheries
Christopher P. Tatara, Robert C. Endicott, Jeffrey J. Atkins, Barry A. Berejikian
Summary: The study explores the relationship between feeding rate and relative competitive ability of 1-year-old and 2-year-old steelhead in hatchery tanks, finding that ration directly affects feeding rate and that ration and relative competitive ability interact to influence feeding rate. Older steelhead are more likely to be detected at a single feeding location, while younger fish are more likely to be detected at both locations.
NORTH AMERICAN JOURNAL OF AQUACULTURE
(2021)
Article
Fisheries
Noelle Yochum, Michael Stone, Karsten Breddermann, Barry A. Berejikian, John R. Gauvin, David J. Irvine
Summary: The development of a 360open area excluder has significantly increased salmon escapement rates in pelagic trawl fisheries, although more comprehensive testing is needed. Video footage revealed that salmon mainly escaped during haulback and turns, emphasizing the importance of providing an open path during these periods.
FISHERIES RESEARCH
(2021)
Article
Ecology
Megan E. Moore, Barry A. Berejikian, Correigh M. Greene, Stuart Munsch
Summary: Steelhead Oncorhynchus mykiss smolts face multiple survival threats during their migration from freshwater to the ocean, with predation by harbor seals being a significant factor. Increases in Puget Sound water temperature and the Northeast Pacific marine heat wave led to higher smolt survival probabilities, while ecological changes in the system also influenced smolt survival rates.
MARINE ECOLOGY PROGRESS SERIES
(2021)
Article
Fisheries
Jonathan S. F. Lee, Melissa L. Pierce, Rachel S. Poretsky, Matthew A. Cook, Barry A. Berejikian, Frederick W. Goetz
Summary: Claywater can effectively substitute for algae as a turbidity agent in the feeding of larval sablefish, reducing costs and improving growth. Both gradual and sudden transitions from greenwater to claywater had different impacts on feeding rates and body weights, but resulted in higher body weight and biomass by the end of the larval period. Transitioning at day 8 minimized algae costs, while transitioning at day 18 maximized biomass, offering potential benefits for sablefish aquaculture.
Article
Multidisciplinary Sciences
Thomas A. Jefferson, Mari A. Smultea, Eric J. Ward, Barry Berejikian
Summary: Harbor seal populations in inland waters of Washington, which were previously reduced due to predator control programs, have rebounded since protection measures were put in place in the 1970s. A study using aerial line-transect surveys and tagging data estimated the current abundance of three management stocks, presenting a non-traditional approach that could be applicable to estimating populations of other species with available survey and tagging data.
Article
Fisheries
Jonathan S. F. Lee, Melissa L. Pierce, Matthew A. Cook, Barry A. Berejikian, Frederick W. Goetz, Rachel S. Poretsky
Summary: The larval period in marine fish aquaculture is labor-intensive and high-mortality due to the need for good water quality. Three tank cleaning methods were compared, showing that low cleaning frequencies do not have negative effects on larvae, making it a cost-effective option for reducing labor costs.
Article
Ecology
Megan E. Moore, Barry A. Berejikian
Summary: Coastal infrastructure disruptions can significantly affect the movements and survival of migratory species in marine habitats. A study on steelhead smolts showed that the Hood Canal Bridge had a considerable impact on their survival, influenced by the week of bridge encounter. The behavior of the smolts and their predators at the bridge was also examined, providing valuable information for recovery actions.
Review
Fisheries
Jonathan S. F. Lee, Matthew A. Cook, J. Adam Luckenbach, Barry A. Berejikian, Crystal A. Simchick, Sean M. Oden, Frederick W. Goetz
Article
Fisheries
Jonathan S. F. Lee, Lyle L. Britt, Matthew A. Cook, Thomas H. Wade, Barry A. Berejikian, Frederick W. Goetz
AQUACULTURE RESEARCH
(2017)
Article
Fisheries
Barry A. Berejikian, Jeffrey J. Hard, Christopher P. Tatara, Donald M. Van Doornik, Penny Swanson, Donald A. Larsen
CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES
(2017)
Article
Fisheries
Jonathan S. F. Lee, Matthew A. Cook, Barry A. Berejikian, Frederick W. Goetz