Physiological assessment of the nutritive value of compound feeds containing pea protein concentrate used for rearing Rainbow trout in RAS conditions
https://doi.org/10.36038/0234-2774-2026-27-2-105-114
EDN: XYHHTW
Abstract
The study investigated the effect of pea protein concentrate on the digestibility and assimilability of nutrients in compound feeds for rainbow trout reared in RAS conditions. It was found that the digestibility of the experimental compound feeds exceeded 92%, indicating their high bioavailability for rainbow trout. It was revealed that compound feeds containing 12–18% pea protein concentrate exhibited the best parameters of nutrient assimilability and metabolic costs among all studied samples, indicating greater efficiency of their utilization by rainbow trout. An increase in the pea protein concentrate content in the compound feeds led to improved assimilability and reduced metabolic costs for phosphorus and ash, which is a positive factor when using these feeds in RAS conditions.
About the Authors
V. A. Tolmachev
State Scientific Center of the Russian Federation «VNIRO»
Russian Federation
Russian Federation
Moscow, 105187
A. V. Zhigin
State Scientific Center of the Russian Federation «VNIRO»
Russian Federation
Russian Federation
Moscow, 105187
M. V. Arnautov
State Scientific Center of the Russian Federation «VNIRO»
Russian Federation
Russian Federation
Moscow, 105187
R. V. Artemov
State Scientific Center of the Russian Federation «VNIRO»
Russian Federation
Russian Federation
Moscow, 105187
S. V. Bindyukov
State Scientific Center of the Russian Federation «VNIRO»
Russian Federation
Russian Federation
Moscow, 105187
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Review
For citations:
Tolmachev V.A., Zhigin A.V., Arnautov M.V., Artemov R.V., Bindyukov S.V. Physiological assessment of the nutritive value of compound feeds containing pea protein concentrate used for rearing Rainbow trout in RAS conditions. Problems of Fisheries. 2026;27(2):105-114. (In Russ.) https://doi.org/10.36038/0234-2774-2026-27-2-105-114. EDN: XYHHTW
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