EFFICIENCY OF LACTIC ACID BACTERIA IN RABBIT BREEDING TECHNOLOGY

Abstract

Objective. Evaluate the efficiency and calculate the economic feasibility of using a new strain of lactic acid bacteria Lactobacillus sp. 13/2 in rabbit breeding technology under industrial conditions. Methods. Microbiological, economical, statistical. Results. The average weight of animals at the end of fattening was almost the same in both groups. However, when using a strain of lactic acid bacteria Lactobacillus sp. 13/2 in rabbit breeding technology, lower mortality rate in young animals and reduction of feed costs for their fattening was reported in comparison with the control. In the experimental group, animal mortality rate was 2.94 % versus 12.5 % in the control group, the average feed consumption for fattening per 1 kg of live weight gain decreased by 9 %. A positive economic effect in the experimental group was observed when the cost of sales increased per 1 head by UAH 7.48 (4 %) if the carcass price was UAH 140/kg. At the same time, the prime cost of 1 kg of gain decreased by UAH 1.98 (9 %). Also, the use of lactic acid bacteria reduced the cost of feed consumed per 1 head by UAH 1.77 (5 %) if the cost of feed was UAH 6/kg. Despite the decrease in the profitability of rabbit production by 1.5 %, the use of a new promising strain of lactic acid bacteria Lactobacillus sp. 13/2 during the fattening of rabbits had a positive effect on the maintenance of livestock, resulting in the decreased lost profit in the experimental group by UAH 277.08 (75 %). In terms of 1 head, the lost profit in the experimental and control groups was UAH 2.79 and UAH 13.99, respectively, due to which the use of lactic acid bacteria is completely regained. Conclusion. The positive effect of the use of Lactobacillus sp. 13/2 in rabbit breeding technology, which is manifested by a reduction in animal mortality and a reduction in feed costs for fattening, was established. The use of lactic acid bacteria helps to increase the economic efficiency of rabbit breeding, especially due to the reduction of lost profits. The economic effect is achieved without significant additional costs. The additional costs associated with the use of lactic acid bacteria are regained.