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Studies on the chemical nature of feeding stimulants for rainbow trout, Salmo gairdneri Richardson
Author(s) -
Adron J. W.,
Mackie A. M.
Publication year - 1978
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.1095-8649.1978.tb04175.x
Subject(s) - rainbow trout , salmo , biology , zoology , amino acid , stimulant , fish <actinopterygii> , fishery , biochemistry , food science , pharmacology
Rainbow trout trained to operate a demand feeder showed a marked preference for a diet flavoured with a synthetic mixture of chemicals over the unfavoured diet. The gustatory feeding stimulant activity resided in the amino acid fraction and was stereospeciflc for the L‐forms. Certain mixtures of L‐amino acids were stimulatory, while the individual components of the mixtures were inactive or repellent.