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Purpose. Evaluation of the effectiveness of the use of a feed additive when it is included in the diet of broiler chickens. Materials and Methods. The objects of research during the experiment were broiler chickens of the Cobb-500 cross and the feed additive Acidopul L. Farm poultry was divided into 3 groups: 2 experimental and 1 control. The number of chickens in each group was 136. Experimental group 1 received a feed additive at a dose of 1 liter per ton of compound feed, 2 - at a dose of 2 liters per ton of compound feed during 42 days. The control group did not receive this additive. Biological, biotechnical, clinical and biochemical research methods that do not require validation were used to solve experimental problems. Results. Broiler chickens that consumed Acidopul L supplement had a greater increase in body weight compared to the control group. The chickens gained an average of 121.6 g more, or 4.9% of the total weight, in group 1, and 127.5 g, or 5.1%, more in group 2 compared to the control group. In addition, the experimental groups showed greater absolute and average daily weight gain than the control group. This parameter was 5% higher in group 1 and 5.2% higher in group 2 than in the control. A blood test showed that the experimental chickens had higher levels of total protein than the control chickens. In group 1, the difference was 1.27 g / l, which corresponds to 4.5%. In group 2, this difference was 0.61 g/l, or 1.71%. At the end of the experiment, the safety of poultry was higher in the experimental groups: in group 1 it was 2.9% higher, and in group 2 – 3.7% higher than in the control group. Conclusion. The results of the conducted studies indicate that the feed additive Acidopul L in the recommended dosage regimen of 1 and 2 liters per ton of mixed feed can have a beneficial effect on livestock products in the form of increased productivity and the level of natural resistance.
Orekhova et al. (Wed,) studied this question.