Abstract
Purpose. To study the effect of the new feed additive "Protojodium" on the chemical biocomposition of semi-finished beef enriched with iodine. Materials and Methods. The object of the research were Kazakh White-headed bulls, which were fattened with the help of a new feed additive "Protojodium", based on organic iodine. The biochemical composition of the resulting beef and the residual content of organic iodine in the raw materials were studied in the complex analytical laboratory of VRIMMP (Volgograd, Russia) using modern equipment and according to generally accepted methods: GOST 23042-2015, GOST 25011-2017, GOST R 31727 -2012, GOST R 70149-2022, GOST 23041-2015, GOST 26185-84). Results. As a result of the experiment, it was revealed that the raw materials obtained from the experimental group had a higher iodine content – by 48.5 micrograms or 31.05% compared with the control group. In turn, its biochemical composition was also significantly better, namely: superiority was revealed in the content of dry matter (by 1.87%), protein (by 0.51), ash (by 0.13%), tryptophan (by 12.59 mg), oxyproline (by 0.84 mg), protein quality indicator (by 0.11). And the fat content in raw materials obtained from cattle in the control group was 0.51% higher than in the experimental group. This was achieved through the use of a new feed additive “Protojodium” based on organic iodine in the feed diet of bull calves. Conclusion. The use of a new feed additive, the composition of which is based on organic iodine, has a positive effect on the biochemical composition of the resulting beef, and also effects the prevention of iodine deficiency in the population of the Russian Federation.
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