Abstract
The analysis of data on the conduct of fish-biological tests for the period 2016-2020 is presented at fish breeding plants of Primorsky and Khabarovsk territories on juveniles of chum salmon experimental granulated and extruded starter feeds, both with the use (compound feed V1M) and without the use of fermentolysate (compound feed V1M-BF). The highest average daily gains, as well as the average final weight of juveniles, were noted when dry fermentolysate was used as part of the starting compound feed. This is consistent with the data available in the literature on the positive effect of the products of partial protein fermentolysis at the initial stages of salmon development. When carrying out biological experiments, there is a high survival rate of fry from 97.5 to 99.9%, a low feed ratio for granulated feed with dry fermentolysate (0,64-0,80) and a protein utilization ratio (0,25-0,35).
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