Growth and ethological features of juvenile rainbow trout (Parasalmo mykiss, Walbaum) depending on the type of feed
https://doi.org/10.26897/0021-342X-2024-3-122-134
Abstract
During early postnatal ontogenesis, juvenile rainbow trout undergo a number of morphological and physiological changes, passing through various stages of development of body systems and behavioural traits. The most important factor influencing these processes is the fish diet. The present study provides data on external indicators, morphometric and ethological characteristics of juvenile rainbow trout fed with factory starter and frozen feeds. Methods of continuous logging and recording of fish behavioural responses and morphometric methods to analyse juvenile growth were used. It was found that the compound feed had a better effect on the development of the juvenile rainbow trout studied than the frozen feed, despite the fact that the fish started eating the frozen feed earlier.
About the Authors
S. S. Safonova
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
Stanislava S. Safonova, Assistant at the Department of Morphology and Veterinary and Sanitary Examination
49 Timiryazevskaya St., Moscow, 127550
phone: (909) 622–62–09
V. P. Panov
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
Valeriy P. Panov, DSc (Bio), Professor, Professor at the Department of Morphology and Veterinary and Sanitary Examination
49 Timiryazevskaya St., Moscow, 127550
phone: (916) 818–18–91
I. V. Baydarov
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
Ilya V. Baydarov, Employee of the Interdepartmental Scientific Center for Biology and Animal Husbandry (Aquarium Laboratory)
49 Timiryazevskaya St., Moscow, 127550
phone: (916) 835–88–32
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For citations:
Safonova S.S., Panov V.P., Baydarov I.V. Growth and ethological features of juvenile rainbow trout (Parasalmo mykiss, Walbaum) depending on the type of feed. IZVESTIYA OF TIMIRYAZEV AGRICULTURAL ACADEMY. 2024;1(3):122-134. (In Russ.) https://doi.org/10.26897/0021-342X-2024-3-122-134
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