Abstract
The article presents the results of using fermented forage fish paste prepared from waste from processing of Far Eastern commercial fish in the diets of pregnant sows. The use of this additive in feeding sows had a positive effect on their reproductive qualities, which allowed to increase the multiplicity of sows' livestock by 3.8-9.7%, large-scale fertility by 1.7-5%, the average daily growth of piglets by 5.4-7.8%, and increase the safety of newborn piglets by 2.2-4.4%. The absolute increase in live weight of sows in the experimental groups during pregnancy was higher by 2.0 kg, 4.4 kg and 4.9 kg compared to their counterparts from the control group. At the same time, the average daily increase in live weight in sows of the experimental groups compared to animals of the control group was higher by 3.7-9.9%, respectively. The best indicators were noted when feeding fish paste fermented feed at a dose of 3 and 6.2% of the nutritional value of the diet.
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