Abstract
Western Kazakhstan is a traditional region for breeding cattle of meat breeds and occupies a leading place in this direction in the country. Currently breeding Hereford and Aberdeen Angus breed and scientific support of the selection process with the animals of this breed are engaged in a number of farms. Therefore, the study in the conditions of Western Kazakhstan breeding and productive qualities of young Hereford and Aberdeen-Angus breed in comparison with other genotypes of beef cattle, in particular with the domestic Kazakh white-headed breed is a situational task. Material and methods The article presents the results of studies of technologies of feeding and keeping animals, the study of live weight and average daily growth of domestic Kazakh white-headed breed and foreign Hereford and Aberdeen-Angus breeds. Results The results of comparative analysis of live weight and average daily growth of young animals of different breeds grown in the semi-desert zone of Western Kazakhstan are presented. It is established that the average daily gain in live weight for the period of cultivation from 8 to 15 months was at Hereford breed in bulls 658,1 g and heifers - 587,1 g at Aberdeen Angus, respectively, 603,8 and 500,9 g, at Kazakh white - 758,8 and 561,1 g.
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