Results 131 to 140 of about 375 (161)
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Introduction: from the birth to the table of walleye pollock Theragra chalcogramma
Fisheries Science, 2014Fisheries provide food, feedstuff, and materials which are reliant on ecosystem services provided by marine and freshwater systems. Fish spawn and mature in aquatic systems, from which they are harvested by fishers, distributed and processed in households, restaurants, or processing plants, and either eaten by consumers, used in aquaculture ...
Mitsutaku Makino +6 more
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Analysis of the genetic structure of northwestern Bering Sea walleye pollock, Theragra chalcogramma
Environmental Biology of Fishes, 2004The intraspecific structure of major populations of the walleye pollock Theragra chalcogramma from the northwestern part of the Bering Sea was studied. Specimens from Navarin, Olyutor and Shirshov shoals were sampled in the 2001 spawning season. Preliminary cluster analysis (TREECON) of PCR-RAPD data revealed the existence of cluster with low level of ...
Elena A. Shubina +3 more
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Chemical Constituents of the Skin of Theragra chalcogramma
Chemistry of Natural Compounds, 2021Jiaming Wang +4 more
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[Temperature decolorization of the rhodopsin of bulls and Theragra chalcogramma fish].
Zhurnal evoliutsionnoi biokhimii i fiziologii, 1977It has been demonstrated that fish rhodopsin is less resistant to thermal treatment and it is more readily bleached as compared to bovine rhodopsin. At 18 degrees C, the stability of both rhodopsins decreased in the following sequence: fragments of the outer segments--digitonin extracts-triton X-100 extracts-cetyltrimethylammonium bromide extracts-At ...
V A, Tiurin +3 more
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Observations on Reprocessing Frozen Alaska Pollock ( Theragra chalcogramma )
Journal of Food Science, 1984ABSTRACT Pollock, processed and frozen in Alaska, were thawed and mechanically filleted using a modified LaPine filleting machine. A Yanagiya flesh separator was used to prepare minced flesh from the fillet trimmings. In addition to standard hand‐packed fillet blocks, blocks were also prepared from randomly packed chopped fillets and ...
J. K. BABBITT +3 more
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Journal of Experimental Marine Biology and Ecology, 2001
The respiration rate and swimming activity of walleye pollock (Theragra chalcogramma) larvae were measured in the laboratory to determine how these were affected by body size (measured as dry weight), and amount of light. Size influenced respiration rates, but not activity.
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The respiration rate and swimming activity of walleye pollock (Theragra chalcogramma) larvae were measured in the laboratory to determine how these were affected by body size (measured as dry weight), and amount of light. Size influenced respiration rates, but not activity.
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Social and reproductive behavior of a captive group of walleye pollock,Theragra chalcogramma
Environmental Biology of Fishes, 1991The social and reproductive behavior of a group of four male and seven female walleye pollock,Theragra chalcogramma, were observed in a large tank. Pollock spent most of their time swimming in a loose aggregation near the surface. Males descended from the aggregation more often than females to follow and make physical contact with other males as well ...
Troy A. Baird, Bori L. Olla
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Spermatogenesis and Testes Maturity Scale in Walleye Pollock Theragra chalcogramma (Gadidae)
Journal of Ichthyology, 2018In this paper walleye pollock spermatogenesis features were investigated. Male germ cells morphology and sizes were shown. The male length, gonadosomatic and hepatosomatic indexes correlated with gonadal maturity. Additional previously unidentified physiological condition TR was determined in maturity scale of walleye pollock testes.
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2000
No abstracts are to be cited without prior reference to the author.Interspecies behavioural polymorphism of captured populations promote to high level of selectivity in catching popula-tions. This can decrease the polymorphism level and accordingly worsen biological parameters of captured populations.
Lapshin, Oleg M. +3 more
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No abstracts are to be cited without prior reference to the author.Interspecies behavioural polymorphism of captured populations promote to high level of selectivity in catching popula-tions. This can decrease the polymorphism level and accordingly worsen biological parameters of captured populations.
Lapshin, Oleg M. +3 more
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Spawning of walleye pollock (Theragra chalcogramma) off the Southwestern coast of Kamchatka
Russian Journal of Marine Biology, 2009The results of ichthyoplankton surveys conducted in 2007–2008 showed that waters off Southwest Kamchatka and North Kuril Islands were areas of mass spawning of walleye pollock. The peak spawning occurred during the last 10 days of April and in early May, which was much later than the peak at the main spawning site off West Kamchatka.
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