Results 141 to 150 of about 1,622 (177)
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Fisheries
The content of Fe, Zn, Cu, Ni, Cd, Pb, and Mn in fertilized caviar, pink salmon and chum salmon larvae and larvae from three fish hatcheries in the Sakhalin region before feeding, as well as in chum salmon larvae from spawning mounds from natural spawning grounds, was studied; the microelement composition of zygotes was compared with the gametes of ...
A. V. Litvinenko +7 more
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The content of Fe, Zn, Cu, Ni, Cd, Pb, and Mn in fertilized caviar, pink salmon and chum salmon larvae and larvae from three fish hatcheries in the Sakhalin region before feeding, as well as in chum salmon larvae from spawning mounds from natural spawning grounds, was studied; the microelement composition of zygotes was compared with the gametes of ...
A. V. Litvinenko +7 more
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Characterization of melanin-concentrating hormone in chum salmon pituitaries
Nature, 1983Many lower vertebrates exhibit colour change in response to the background. A dual hormonal control of colour change by two antagonistic pituitary melanophorotropic hormones was first postulated in amphibia by Hogben and Slome. It is well established that the melanotropins alpha- and beta-MSH are responsible for pigment dispersion in the integumentary ...
H, Kawauchi +4 more
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A radioimmunoassay for N-terminal peptide of chum salmon proopiocortin
Fish Physiology and Biochemistry, 1987A highly specific radioimmunoassay was developed for N-terminal peptide of salmonid proopiocortin using a guinea pig antiserum to the chum salmon peptide (sNPP 1). Since sNPP I has no tyrosine residue nor free N-terminal amino group, a mixture of minor components of sNPP 1, which have extensions of H-Val-LysGly- and H-Lys-Gly- at the N-terminus, were ...
A, Takahashi, H, Kawauchi, T, Hirano
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Vertebral Abnormalities in Sockeye, Pink, and Chum Salmon
Transactions of the American Fisheries Society, 1966Abstract Radiographs of vertebral structures of 10,377 sockeye, 4,403 chum, and 4,777 pink salmon collected in 1958 to 1962 were examined to determine the frequency of occurrence of abnormal vertebrae in wild populations of mature Pacific salmon. Various types of deviations from the orderly processes of development or segmentation that resulted in ...
Charles D. Gill, Donald M. Fisk
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An Improved Sibling Model for Forecasting Chum Salmon and Sockeye Salmon Abundance
North American Journal of Fisheries Management, 2007Abstract The sibling model is often one of the best methods for calculating preseason forecasts of adult return abundance (recruits) for populations of Pacific salmon Oncorhynchus spp. This model forecasts abundance of a given age-class for a given year based on the abundance of the previous age-class in the previous year.
Steven L. Haeseker +3 more
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Responses of Coho and Chum Salmon Fry to Current
Journal of the Fisheries Research Board of Canada, 1953Chum and coho salmon fry respond positively to changes in water flow by swimming against the current. The magnitude of the response varies with the intensity of the current. Currents eliciting optimum response differ for the two species. Both species respond to the stronger of two parallel laminar currents but, after a time, coho fail to discriminate ...
Dixon MacKinnon, William S. Hoar
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Marking Chum Salmon Fry Vertebrae with Oxytetracycline
North American Journal of Fisheries Management, 1986Abstract An experiment was conducted to determine the effectiveness of oxytetracycline (OTC) as a method of marking chum salmon (Oncorhynchus keta) fry vertebrae. Three groups of fry that originated from a gravel box incubation system and three groups that originated from a Japanese-style (channel) incubation system were treated with an OTC-Oregon ...
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The embryology of the Chum salmon Oncorhynchus Keta Walbaum
2009[Abstract not available]
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Ocean Growth and Mortality of Pink and Chum Salmon
Journal of the Fisheries Research Board of Canada, 1964Records of length of pink and chum salmon computed from scale annuli are summarized, and are converted to show rate of growth in weight. Information is available on 11 pink stocks or groups of stocks originating at points from the Strait of Georgia to Sakhalin and Primorye, and for 7 chum stocks taken from Tillamook Bay to the Amur River and Sakhalin.
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Vibriosis Vaccination of Chum Salmon by Hyperosmotic Infiltration
The Progressive Fish-Culturist, 1978Abstract When fry of chum salmon (Oncorhynchus keta) started to feed, they were vaccinated with Vibrio anguillarum bacterin by hyperosmotic infiltration. Mortalities of vaccinated and unvaccinated fish were compared in ambient and controlled challenge experiments.
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