Abstract
The study is dedicated to research into efficiency of influence of probiotic additive “Prostor” on productivity, chemical composition of meat of rabbits. The influence of synbiotic preparation “Prostor” on the population of male rabbits of hybrid form “Hypharm” of French breeding, selected at the age of 45 days. The study took place at the industrial complex of LLC “Lipetsk rabbit” in Khlevensky district of Lipetsk region. The animals were divided into control and experimental groups by the method of pairs-analogues. The control group of rabbits received the basic diet consisting of lall-mash feed PZK-92, while the rabbits of the experimental group received compound feed PZK-92-60-18, which included synbiotic “Prostor” in a dosage of 1 g/kg of feed. Meat quality assessment was carried out at the age of 105 days after control slaughter in the amount of 3 animals from each group. The use of the stated dosage of synbiotic preparation had a positive effect on the productive indicators of rabbits (live weight, average daily growth). The morphological composition data showed that rabbits of the experimental group outperformed rabbits of the control group by 23.84 % in terms of muscle mass. Analysis of the chemical composition of muscle tissue showed that the use of feed additives “ProStor” in a dosage of 1.0 g per kg of feed has a positive effect on meat productivity and quality of rabbit meat, which opens up prospects for the use of the preparation in the rabbit industry.
Highlights
In the livestock industry in recent years, due to the active economic activity, there is an increase in physical and chemical factors that negatively affect the physiological processes occurring in the body of animals
Rabbit meat production is only 2.5 % of the total meat resources, which determines the need to expand this raw material segment and find ways to increase the productivity of precocious breeding facilities
Experimental and control groups of animals were in the same conditions of maintenance, feeding and care
Summary
In the livestock industry in recent years, due to the active economic activity, there is an increase in physical and chemical factors that negatively affect the physiological processes occurring in the body of animals In this connection, there is a need to develop scientific approaches and recommendations on the technology of feeding farm animals, including young rabbits using ecologically safe additives that provide high-quality and safe raw materials. Rabbit meat production is only 2.5 % of the total meat resources, which determines the need to expand this raw material segment and find ways to increase the productivity of precocious breeding facilities In this regard, the region is working to find ways to increase the productivity of the farmed livestock
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