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X‐ray microtags for identification of individuals in studies of fish energetics
Author(s) -
Higgins P.J.
Publication year - 1985
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/j.1095-8649.1985.tb04252.x
Subject(s) - salmo , biology , juvenile , energetics , hatchery , fish <actinopterygii> , zoology , food intake , fishery , population , ecology , demography , endocrinology , sociology
In a study following growth and food intake of individuals within a population it was important to obtain individual rather than group mean measurements. A technique is described which combined the benefits of X‐ray readable microtags with the radiographic method for measuring food intake described by Talbot & Higgins (1983). Its usefulness was established in an eight–month study on hatchery reared juvenile Atlantic salmon, Salmo salar L.