Dynamics of live weight of swine when using feed additives of local origin
The article contains materials of scientific and economic experience on the inclusion of waste from the processing of herring and pollock and feed additives from the husk of Korean pine cones in feeding pigs. The effect of these feed additives on the dynamics of the live weight of Landrace pigs under the conditions of Primorsky Krai was experimentally studied. Waste from fish processing is rich in proteins (contains a complex of essential amino acids), trace elements and minerals. The nut shell is rich in fiber, fats, resin, essential oils and vitamins, contains macro- and microelements, has anti-inflammatory, antimicrobial, tonic, tonic effect on the body. When using a fish feed additive in diets, the absolute and average daily gains of pigs increased by 16.7 and 19.1 % compared to the control values. The use of a feed additive from the shell of pine cones in diets contributed to an increase in the live weight of pigs by the end of the experiment to 109.24 kg, which is 15.77 kg higher than the control values, the highest average daily gain was 529.4 g. The results of the experiment prove the high efficiency of the application non-traditional feed additives in the form of fish waste and pine cone husks in feeding pigs during their growth in the Primorsky Territory.