MILK PRODUCTIVITY OF MARES OF DIFFERENT GENOTYPES IN CONDITIONS OF HERD MAINTENANCE
DOI:
https://doi.org/10.51452/kazatu.2022.1(112).927Keywords:
kazakh breed of horses of the jabe type; novoaltay-kazakh crossbred mares; milk production of mares; udder measurements; chemical composition of milk; genotype; herd maintenance of horses.Abstract
The article presents the results of a scientific study of the dairy productivity of mares of the Kazakh breed of the jabe type and New Altay-Kazakh crossbreds of the I-generation in the conditions of herd keeping. According to the results of studies of the actual milk yield of mares by the months of lactation, it was found that mares of New Altay-Kazakh crossbreds on average produced 41-42.5% more milk during 2-3 months of lactation than mares of the Kazakh breed of the jabe type. The indicators of the mass fraction of protein and fat were not the same, so, mares of the Kazakh breed of the jabe type, on average, in terms of protein content, exceeded crossbreeds by 0.07%, fat by 0.05%. In terms of udder and nipple measurements, mares of New Altay-Kazakh crossbreds of the I-generation surpassed mares of purebred Kazakh jabe in all analyzed indicators.
