Estimated Breeding Value of Kazakh White-Headed Cattle Breed

Q3 Veterinary American Journal of Animal and Veterinary Sciences Pub Date : 2023-02-01 DOI:10.3844/ajavsp.2023.81.88

A. Bissembayev, D. Baimukanov, V. Trukhachev, Altai Batyrkhanovich Nazarbekov, Saule Zhali, A. Abylgazinova, A. E. Chindaliyev

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Abstract

: The purpose of the study is to establish the estimated breeding value index of Kazakh white-headed cattle by productive indicators. The Estimated Breeding Value (EBV) of the productive indicators of animals of the Kazakh white-headed breed was determined for 2018-2021. The index values were further interpreted as an assessment of the own genetic productivity of each evaluated animal relative to the corresponding average values. For the Kazakh white-headed breed, the estimated breeding values in terms of live weight at birth in 2018 ranged from -8.00 to +12.91, in 2019 from -8.02 to +19.42, in 2020 from -9.96 to -0.96, in 2021 -9.87 to +19.91. The values by the indicator of live weight at weaning in 2018 ranged from -8.63 to +57.39, in 2019 from -23.27 to +57.31, in 2020 from 23.97 to - +57.29, in 2021 -24.37 to +57.26. The estimated breeding value in terms of live weight at one year of age in 2018 varied in the range from -51.37 to +58.26, in 2019 -58.53 to +72.10, in 2020 -57.77 to +71.43, in 2021 -52.73 to +72.00. The breeding value in terms of live weight for adult animals in 2018 ranged from -50.60 to +43.19, in 2019 -135.95 to +118.86, in 2020 from -138.04 to +121.82, in 2021 from -140.56 to +112.43. The breeding value by the milking capacity of mothers of the Kazakh white-headed breed in 2018 ranged from -35.55 to +33.79, in 2019 -8.85 to +46.67, in 2020 from -27.41 to +46.68, in 2021 from -30.26 to +46.65. The accuracy for the EBV of productive indicators of Kazakh white-headed breed animals was 0.004-0.999 by live weight at birth, 0.001-0.998 at weaning, 0.002-0.998 at 12 months, and 0.001-0.965 for adult animals. The estimated breeding value of dairy cows is 0.018-0.990. The features of the distribution of the indices of breeding value of the average daily increase of animals of the Kazakh white-headed breed in 2021 have been clarified. For the Kazakh white-headed cattle breed, the estimated breeding values in terms of the average daily gain from birth to 12 months of age are in the range from -183.56 to +813.34.

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哈萨克白头牛品种的育种价值估算

：本研究的目的是通过生产指标建立哈萨克斯坦白头牛的估计育种价值指数。哈萨克斯坦白头品种动物生产指标的估计繁殖值（EBV）是在2018-2021年确定的。指标值被进一步解释为相对于相应的平均值对每个被评估动物自身遗传生产力的评估。对于哈萨克斯坦白头品种，2018年出生时活重的估计繁殖值为-8.00至+12.91，2019年为-8.02至+19.42，2020年为-9.96至-0.96，2021年为-9.87至+19.91。2018年断奶时活重指标的值为-8.63至+57.39，2019年为-23.27至+57.31，2020年为23.97至-57.29，2021年为-24.37至+57.26。2018年一岁时活重的估计繁殖值在-51.37至+58.26、2019年-58.53至+72.10、2020年-57.77至+71.43、2021年-52.73至+72.00之间变化。2018年成年动物的活重繁殖值为-50.60至+43.19，2019年为-135.95至+118.86，2020年为-138.04至+121.82，2021年为-140.56至+112.43。2018年，哈萨克斯坦白头品种母亲挤奶能力的繁殖值为-35.55至+33.79，2019年为-8.85至+46.67，2020年为-27.41至+46.68，2021年为-30.26至+46.65。哈萨克斯坦白头品种动物生产指标EBV的准确度为0.004-0.999（按出生时的活重计算）、0.001-0.98（断奶时）、0.002-0.98（12个月时）和0.001-0.965（成年动物）。奶牛繁殖价值估算值为0.018-0.990。阐明了2021年哈萨克斯坦白头品种动物日均增重繁殖值指数的分布特征。对于哈萨克斯坦白头牛品种，从出生到12个月大的平均日增重的估计繁殖值在-183.56到+813.34之间。

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来源期刊

American Journal of Animal and Veterinary Sciences Veterinary-Veterinary (all)

CiteScore

1.90

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0.00%

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期刊介绍： American Journal of Animal and Veterinary Sciences, a quarterly, peer reviewed publication and is dedicated for publication of research articles in the field of biology of animals and with the scientific understanding of how animals work: from the physiology and biochemistry of tissues and major organ systems down to the structure and function of bio molecules and cells; particular emphasis would given to the studies of growth, reproduction, nutrition and lactation of farm and companion animals and how these processes may be optimized to improve animal re- productivity, health and welfare. Articles in support areas, such as genetics, soils, agricultural economics and marketing, legal aspects and the environment also are encouraged. AJAVS is an important source of researcher to study articles on protection of animal production practices, herd health and monitoring the spread of disease and prevention in both domestic and wild animals.