Plasma levels of insulin, glucagon and glucagon-like peptide in salmonids of different weights

Plasma levels of insulin in rainbow trout,Oncorhynchus mykiss, Atlantic salmon,Salmo salar, and Pacific coho salmon,Oncorhynchus kisutch and plasma circulating levels of glucagon and glucagon-like peptide, in rainbow trout and Atlantic salmon, were measured by homologous radioimmunoassays. Hormonal...

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Bibliographic Details
Published in:Fish physiology and biochemistry 1991-06, Vol.9 (3), p.223-230
Main Authors: Sundby, A, Eliassen, K, Refstie, T, Plisetskaya, E M
Format: Article
Language:English
Subjects:
body fluids
glucagon
glucagon-like peptide
hormones
insulin
Marine
Oncorhynchus kisutch
Oncorhynchus mykiss
peptides
Salmo gairdneri
Salmo salar
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Summary:Plasma levels of insulin in rainbow trout,Oncorhynchus mykiss, Atlantic salmon,Salmo salar, and Pacific coho salmon,Oncorhynchus kisutch and plasma circulating levels of glucagon and glucagon-like peptide, in rainbow trout and Atlantic salmon, were measured by homologous radioimmunoassays. Hormonal levels were compared against the average body weight of the same group of fish. Plasma insulin levels were significantly correlated (r=0.56, 0.46 and 0.42 respectively) with body weight in all three salmonid species. Moreover, rainbow trout from fast-growing families had significantly higher (p
ISSN:0920-1742
1573-5168
DOI:10.1007/bf02265143