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Initial feeding in migratory brown trout (Salmo trutta L.) alevins
Author(s) -
Zimmerman C.,
Mosegaard H.
Publication year - 1992
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.1095-8649.1992.tb02612.x
Subject(s) - salmo , brown trout , biology , trout , fishery , yolk , zoology , salmonidae , fish <actinopterygii> , ecology
Initial feeding of brown trout was investigated under laboratory conditions. Fifty per cent feeding occurred when yolk constituted approximately 31% of total alevin dry weight, and feeding rate was positively correlated to developmental stage. The possible ecological implications of initial feeding are discussed.