Meat productivity of different livestock breeds in conditions of agrofirm «Dinara- Ranch»

Abstract

At present, one of the basic objectives of livestock production development in Kazakhstan is to provide the population with qualified, accessible meat. An important reserve for increasing the production of meat, in particular, beef, is the development of specialized meat breeding. The leading position in this industry in the Republic of Kazakhstan belongs to Kazakh white-headed breed, which was withdrawn in 1932-1950 with the way of breeding Kazakh cows and partially Kalmyk cattle with the bulls of Hereford breed. At present, this breed is raised almost in all regions of the Republic. The breed is characterized by good meat productivity, sufficient high early maturation and animals have excellent adaptation to continental climatic conditions. The aim of research is to study the results of meat productivity of bulls of different genotypes in conditions of LLP Agrofirm «Dinara- Ranch», Almaty region, the Republic of Kazakhstan. To achieve this goal, the following objectives have been put before us:
- determination of slaughter weight and yield of morphological composition of carcasses and qualitative indicator of experimental bulls’ meat;
- to give an assessment of qualitative indicators of meat products obtained from the bulls of different genotypes. Meat obtained in control slaughtering from experimental bulls coincided requirements of I category. According to the weight of hot carcass Hereford bulls exceeded the peers of Kazakh white-headed breed to 42.9 kg or 18.1% (p > 0.95) and bulls crossbreed to 9.0 kg or 3.3% (p > 0.95). Yield of inner salo was higher in the bulls of Kazakh white-headed breed. Bulls of Hereford breed exceeded their Kazakh white-headed breed by the amount of meat per 43.2 kg – 22.5% (p > 0.95) and bulls crossbreed to 8.1 kg – 3.6% (p > 0.95). Yield of bulls meat of Hereford breed exceeded its peers of Kazakh white-headed breed to 2.4 – 2.9% (p < 0.95), but conceded to crossbred bulls to 0.1 kg – 0.1%. Correlation of protein and fat in the meat of experimental animals comprised: in the bulls of Kazakh white-headed breed - 1:0.65, in the animals of the Hereford breed and crossbreed - 1:0.64.

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