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Introduction of Modern Methods of Assessing the Breeding Value of Cows in the Selection of Dairy Cattle in the Republic of Kazakhstan | ||
| Archives of Razi Institute | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 23 مهر 1400 اصل مقاله (813.56 K) | ||
| نوع مقاله: Original Articles | ||
| شناسه دیجیتال (DOI): 10.22092/ari.2021.356236.1810 | ||
| نویسندگان | ||
S Abugaliev  1؛ L Bupebayeva2؛ R Kulbayev3؛ A Baisabyrova2
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| 1LLP “Kazakh Scientific Research Institute of Animal Breeding and Feed Production,” 51 Jandosov str., Almaty, the Republic of Kazakhstan | ||
| 2Kazakh National Agrarian University, 8 Abay Ave., Almaty, 050100, the Republic of Kazakhstan | ||
| 3West Kazakhstan Agricultural and Technical University named after Zhangir Khan, 51 Zhangir khan str., Uralsk, 090000, the Republic of Kazakhstan | ||
| چکیده | ||
| On the genetic improvement of animals, the need for decision-making takes place at the strategic, tactical, and operational levels. In the strategic level, this means defining a breeding goal, selecting a breeding system (selection or crossbreeding), crossbreeding patterns, breeds, lines. The current study was aimed to analyze the breeding and genetic parameters of dairy cattle in the Republic of Kazakhstan and introduces modern methods for assessing the breeding value of domestic and imported breed of dairy cows. Research data were collected from primary zootechnical and breeding accounting (from the information and analytical system, hereinafter IAS), as well as experimental studies, visual assessment, measurements, and control milking of animals. In addition, it was conducted biochemical studies of milk. All animals were in the same conditions of feeding. The average milk yield per cow was 5712±97 kg, with an average fat content of 3.83±0.02%, protein content of 3.28±0.01%, with the content of 339.6±54 thousand somatic cells. But these data are obtained based on quarterly quality indicators of milk (fat content, protein, number of somatic cells), which raises doubts about the reliability of the results. It was found that the average index of the total estimated breeding value (EBV) for all breeds was 81. Among all breeds, the highest EBV was estimated at 84 for Holstein cows (imported to the country). | ||
| کلیدواژه‌ها | ||
| Breeding process management system؛ Control milking؛ Exterior؛ Index estimation of breeding value؛ Milk yield for lactation | ||
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آمار تعداد مشاهده مقاله: 11 تعداد دریافت فایل اصل مقاله: 7 |
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