THE EFFECTIVENESS OF THE USE OF FEED ADDITIVES IN THE FORMULATION OF COMPOUND FEEDS FOR POULTRY
The article presents the results of using an organomineral supplement when it is introduced into compound feed for laying hens. At the research base of the Volgograd State Agrarian University, studies were carried out, during which it was found that the zootechnical and economic indicators in the poultry that participated in the experiment were normal. It should be noted that the best was the I-experimental group, which was injected with an organomineral supplement in the amount of 4%. Introduction. To provide the population with food with high-quality products in full, high-quality livestock and poultry products are necessary. This is achieved due to the balanced diet for birds. Unfortunately, farms do not always have all the necessary minerals that are used to balance diets. In this regard, various mineral mixtures should be used in such farms. The aim of the research was to increase the egg production of poultry and the quality of eggs when using an organomineral supplement in the diet of experimental laying hens. Organomineral additive is a mud of sulfide-silt composition. It is formed at the bottom of reservoirs, which contain a huge amount of mineral salts. The chemical composition of the organic additives on the basis of sulfide silt mud has the following composition, % of dry matter: dissolved salt of 6.67 and 15.44%; gypsum (CaSO4) 0,23-1,71%; calcium carbonate(CaCO3)of 7.31-of 11.23%; magnesium carbonate (MgCO3) of 1.86-12.61 per cent; iron sulfide (FеS), including 0,9-1,96%; degradation products of НCl, including , O3, Al2О3  5,55-6,85%. The object of the study. The object of research was laying hens. Materials and methods. Thus, an experiment was carried out on a hybrid cross-breed «Hysex Brown» bird at the Research Center for the Safety and Effectiveness of Feed and Additives of the Volgograd State Agrarian University. At the age of forty weeks, the experimental bird was selected and divided into three groups, the first was a control, the second and the third were experimental. The duration of the experiment was 20 weeks. Results and conclusions. With the inclusion of different doses of organomineral additives, 4 and 5% in the composition of the mixed feed of laying hens, the egg productivity increased by 2.84% and 1.35%. It is worth noting that the number of eggs obtained from the birds of the experimental groups was greater and belonged to the selected and highest category. When introducing an organomineral supplement into the diets of laying hens, the economic effect ranged from 1075.44 rubles to 1696.92 rubles. In the course of our research, it was found that the organomineral supplement had a positive effect on both zootechnical and economic indicators. The optimality of the introduction of organomineral additives in the formula of compound feed for experimental poultry was 4 %.