Reproductive Indicators of the Alatau Cattle Breed of Kazakhstan Population

Q3 Agricultural and Biological Sciences OnLine Journal of Biological Sciences Pub Date : 2024-01-01 DOI:10.3844/ojbsci.2024.64.70
A. D. Baimukanov, A. Bissembayev, Y. Yuldashbayev, A. E. Chindaliyev, A. Shamshidin, Kharon Adievich Amerkhanov, Azamat Kuandikovich Saginbayev, K. Aubakirov
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Abstract

: The research aims to study the reproductive indicators and dairy productivity of the modern Kazakhstan population of the Alatau cattle breed. The average duration of the dry period is within the physiological norm, being 60-75 days. As noted above, an increase in the service period can negatively affect herd reproduction. In this regard, some measures were taken to normalize the service period of 83.5, 79.6-83.5 days. The efficiency of the insemination of cows is 92-95%. In comparison with 2018, in 2019, milk productivity increased on average by 3.64% or 197.5 kg of milk, in 2020 by 5% or 268.8 kg of milk, in 2021-by 13.6% or by 736.7 kg of milk, but in 2022 there was a sharp decrease of 28% or 972.6 kg of milk Alatau cows during the first lactation produce milk in the amount of 5262.3±39.7 kg, with a fat content of 3.90% and a milk protein content of 3.25%. In the second lactation, the milk yield increases to 5788.9±51.0 kg, and in the third lactation to 5786.7±33.8 kg.
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哈萨克斯坦阿拉套牛品种的繁殖指标
:该研究旨在研究现代哈萨克斯坦阿拉套牛品种的繁殖指标和奶牛生产率。干燥期平均为 60-75 天,符合生理正常值。如上所述,干奶期延长会对牛群繁殖产生负面影响。为此,我们采取了一些措施,使 83.5 天、79.6-83.5 天的服务期趋于正常。奶牛的授精效率为 92-95%。与 2018 年相比,2019 年的产奶量平均增加了 3.64%,即 197.5 千克牛奶,2020 年增加了 5%,即 268.8 千克牛奶,2021 年增加了 13.6%,即 736.7 千克牛奶,但 2022 年急剧下降了 28%,即 972.6 千克牛奶 阿拉套奶牛在第一泌乳期的产奶量为 5262.3±39.7 千克,脂肪含量为 3.90%,乳蛋白含量为 3.25%。第二个泌乳期的产奶量增加到 5788.9±51.0 千克,第三个泌乳期增加到 5786.7±33.8 千克。
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来源期刊
OnLine Journal of Biological Sciences
OnLine Journal of Biological Sciences Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)
CiteScore
2.10
自引率
0.00%
发文量
35
期刊介绍: :: Cell biology :: Developmental biology :: Structural biology :: Microbiology :: Molecular biology & genetics :: Biochemistry :: Biotechnology :: Biodiversity :: Ecology :: Marine biology :: Plant biology :: Bioinformatics
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