Currently there are many known enzyme preparations, which to varying level of efficiency split non-starchy polysaccharides in mixed feeds. The research aims to study the consumer qualities of broiler meat and its dishes when included enzyme preparations Celloviridin G20x and Amilosubtilin G3x into diets based on wheat grain (40% by feed weight), barley (20%) and soybean meal (15%). The results obtained in the course of research were processed by mathematical analysis software package "Microsoft Excel". The best effect on the poultry slaughter qualities had joint supplements of multienzyme compositions Amilosubtilin G3x at a dose of 300 g/t feed and Celloviridin G20х at a dose of 150 g/t feed, which resulted in the superiority of chickens from the third test group over the control counterparts in weight of semi-eviscerated carcass by 14.5%, evisceratedby 15.1%, slaughter yield-0.66%. Chickens, which were fed the mixture of preparations, surpassed their control counterparts in indicators characterizing the ratio of edible parts to inedible by 32.03%. Use of enzyme preparations intensified protein metabolism in the poultry body, which contributed to improve the chemical composition and increase the biological value of meat protein. Due to this, in the femoral muscles the synthesis of dry matter and protein was more active, which in this muscle of broilers from the third test group resulted compared to the control in an increase of dry matter concentration by 2.674%, proteinby 2.587%. When studying the effect of heat treating chicken carcasses in the compared groups on the organoleptic characteristics, four samples of grilled chicken were cooked. The dish sample, the formulation of which included broiler carcasses of the third test group got top point total and surpassed the control counterparts in organoleptic qualities by 0.37 points. This superiority is provided, first of all, due to such parameters as flavor and tenderness.

Recently, positive results have been achieved to reduce the risk of mycotoxicosis in meat poultry by rational use of various feed antioxidants, which inhibit processes of lipid peroxidation in the body and increase its immunity. The research aims to study the effect of different dosages of feed antioxidant Epofen on the basic economic and useful performance and digestive enzyme activity of broiler chickens grown on wheat-sorghumsunflower-based diets with tolerance level of T-2 toxin. To achieve this aim, the experiment using day-old "COBB-500" broiler chickens, which by the analogue scale were divided into 4 groups, was carried out on the poultry farm, agricultural production cooperative "Batraz", RNO-Alania. The resulting digital material was processed biometrically using the information program Excel. The research found that the best dose of feeding Epofen by reducing the risk of T-2 toxicosis in broilers is 200 g/t feed, which improves the basic economic and useful qualities and intensification of feed enzymolysis. At the same time versus counterparts from the control group, broilers in the second experimental group had increase in poultry stock safety by 4.0%, gross and daily average gainby 9.29% (P<0.05). Due to a better level of T-2 toxin detoxification by introducing preparation Epofen in mixed feed at a dose of 200 g/t feed, in the muscular stomach content of meat chickens of the second experimental group was significant (P<0.05) increase in protease activity by 11.61%, cellulaseby 19.93% and amylaseby 14.43%. Also, the broilers of the second experimental group showed a significant (P<0.05) increase in the activity of proteinases in the chyme of the small intestine by 15.50%. cellulaseby 14.19% and amylaseby 15.12%.

One of the sources of high-grade vegetable protein is soybean, subjected to various methods of moisture and heat treatment. Its introduction into diets practically solves the problems of providing animals with essential amino acids. Therefore, the study of biological and productive characteristics and the quality of meat of young pigs under the influence of different levels of soy protein from non-genetically modified soybean variety was an actual problem. The aim of the research is to study the effect of feeding different doses of non-genetically modified soybean on the biological and productive parameters of pigs and the consumer characteristics of pork. Young fattening pigs and sows of the Large white breed were the object of the research. To study the effect of different doses of the soybean (15.25 and 35% of the rate of digestible protein), 4 groups of pigs were formed. The soybean of the non-genetically modified "Early-10" variety was subjected to a moisture and thermal treatment in a microwave unit for inactivation of anti-nutrients. The most positive effect on the productivity and reproductive characteristics of sows was provided by soy addition in a dose of 25% of the rate of digestible protein. Compared to the control group, the gilts of the 2 nd experimental group had significantly (Р<0.05)better indicators of pre-slaughter live weight by 12.02 kg, slaughter weight-by 10.74 kg, slaughter yield-by 1.48%, weight of chilled carcass-by 9.70 kg, carcass yield-by 2.14%, and weight of the posterior third of the side-by 1.01 kg. The best indicators of the chemical composition showed the samples of the longissimus spinal muscle of the gilts of the 2 nd experimental group, significantly (P <0.05) exceeding the control in the dry matter content by 0.72%, protein by 0.8%, protein quality indicator (PQI)-6.6%.

Heavy metals can selectively accumulate in certain organs and remain in them for a long time. As a result, the accumulation of metal in one or another organ may cause strongest intoxication of the animal. The purpose of the research is to study the morphological and biochemical composition of the blood of young cattle of different breeds of the dairy and dairy-and-beef direction of productivity fed in the technogenic zone in the RNO-Alania diets with a high content of heavy metals. According to the principle of analogues, taking into account the breed, origin, age, sex and body weight, 4 groups of 10 animals each of different breed were formed: Group I - black and white, Group II - Danish Red, Group III - Swiss, and Group IV - Simmental. The experimental material was statistically processed using the Microsoft Excel software for mathematical analysis. With a tendency of unreliable differences in morphological indices of blood, in diminishing numbers of erythrocytes and hemoglobin, the test breeds should be arranged in the following order: Simmental, Swiss, Red Danish, Black and White. At the same time, as compared to the animals of the black-and-white breed, the young cattle of the Simmental breed showed the best level of intermediate metabolism, which resulted in an increase in total protein and sugar in the blood, which indicates an improvement in their protein and energy metabolism; an increase in the content of albumin in the liquid internal medium and γ-globulins; an increase in concentration of total lipids in serum, respectively, while reducing the level of cholesterol, which indicates an improvement fat metabolism in animals; a significant decrease in blood saturation with cadmium, lead and zinc, respectively, by 26.8, 48.8 and 30.6%. The highest content of these elements was noted in the wool, then in decreasing order: in bone tissue, liver, muscle tissue, lungs, kidneys. Moreover, between the level of heavy metals in muscles, liver and lungs, on the one hand, and in the wool, bone tissue and kidneys, on the other hand, there was an inversely proportional relationship.

The most effective means for denitrifying products and fat oxidation processes is to prevent contamination of grain at all stages of cultivation, processing and storage. If it was not possible to prevent these processes, it is necessary to use preparations that reduce the harmful effects of nitrates, mycotoxins and peroxides. These include antioxidants, adsorbents. The aim of the research was to study the efficiency of use in diets containing a subtoxic dose of nitrates, adsorbent preparations of Santochinum and Mold-Zap to increase the productivity, physicochemical and technological characteristics of milk of lactating cows. To achieve this goal, scientific and economic experiment was conducted on cows of the Swiss breed. Of the 40 cows, according to the method of analoguepairs, 4 groups of 10 animals each were formed. The combined use of preparations of Santochinum at a dose of 0.5 kg/t and Mold-Zap at a dose of 1.5 kg/t of compound feed contributed to an increase in the milk of cows of the 3rd experimental group, as compared to the control analogues, of the fat content by 0.21%, protein - by 0.17%, density - by 0.61°A, dry matter by 0.48%, vitamin C by 48.2%, vitamin A by 51.9% with a simultaneous decrease in the nitrate content by 45.1% and nitrite - by 55, 3%. Regarding the control, the milk of the cows of the 3rd experimental group had more fat globules by 11.9%, but with a smaller diameter - by 17.4%. The addition of these preparations to the diets of cows of the 3rd experimental group, contributed to an increase in protein milk by 0.21%, the proportion of casein - by 0.31%, and α-casein - by 4.56%. In the sample of cheese from milk of cows of the 3rd experimental group, there was an increase in the concentration of dry matter by 1.68%, protein in the dry matter - by 1.31%. After homogenization, in the milk of cows of the 3rd experimental group, the nitrate reductase activity of xanthine oxidase exceeded 2.36 times the sample of production of cows in the control group. This technological technique contributed to the stabilization of pH=5.17 in milk, which activates the process of reducing nitrates and nitrites to ammonia. The lowest concentration of nitrates and nitrites was in the sample of cheese from the milk of animals of the 3rd experimental group, exceeding in these parameters the control sample by 68.5 and 70.0%.

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