奶牛产奶量指标的变化取决于其血统隶属关系

I. V. Shpyt, V. Fedorovych, N. Kuziv, I. O. Chornyj
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引用次数: 0

摘要

本报告提供了乌克兰黑白奶牛品种的奶产量迹象数据,这些迹象取决于奶牛的血统归属。这项研究在文尼察地区(森林-草原区,n=714)的东南DG "Oleksandrivske"、罗夫诺地区(波利西亚区,n=1 840)的LLC JV "Imeni Volovikova "和东南 "Askaniyske "实验农场(草原区,n=926)进行,对象是初生和长成(第三泌乳期)的牲畜。结果发现,在森林草原区,奇夫品系 1427381 的奶牛在第一泌乳期的产量最高(6384 千克);在第三泌乳期,埃列维申品系 1491007 的产量最高(7325 千克);在波利西亚区,斯塔巴克品系 352790 的奶牛在两个泌乳期的产量都最高(分别为 6126 千克和 6521 千克);在草原区,安纳斯阿德玛品系 30587 的产量最高(6570 千克和 7482 千克)。SE DG "Oleksandrivske "的牛奶中脂肪含量最高的是 Valiant 品系 1650414 的头胎牛(3.65%)和 Starbak 品系 352790 的全龄牛(3.59%)。59%)、LLC JV "Imeni Volovikova" - Eleveyshn 1491007(3.67%)和 Valiant 1650414(3.68%)、SE "Askaniyske "实验农场 - Chif 1427381(4.19%)和 Bell 1667366(4.19%)。值得注意的是,上述牧场第一泌乳期产奶量最低的分别是 Haneve 1629391 品系(5465 千克)、Valiant 1650414 品系(4545 千克)和 Bell 1667366 品系(6055 千克)的奶牛,第三泌乳期产奶量最低的是 Valiant 1650414 品系(6633 千克)、Eleveishn 1491007 品系(6058 千克)和 Bella 1667366 品系(6464 千克)的奶牛。在森林草原区,Eleveyshn 1491007 和 Starbak 352790 品系的头胎牛乳脂肪含量最低,仅为 3.59%;Chif 1427381 和 Valiant 1650414 品系的全龄牛乳脂肪含量最低,仅为 3.56%。56%,波利西亚地区 - Chif 1427381 和 Starbak 352 品系 - 3.62% 790 - 3,62%,草原地区 - Annas Adem 30587 品系的两个泌乳期 - 分别为 3.95% 和 3.89%。方差分析证实,产奶量定量性状的表型变异性取决于通过比较组平均值确定的奶牛品系归属。同时,品系对希望的影响比对脂肪的影响更显著。根据牧场和泌乳期的不同,对乳脂含量的影响强度在 4.1-21.1%和.4-12.4%之间。因此,奶牛的线性归属在一定程度上可以作为预测其奶产量的标准。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
VARIABILITY OF SIGNS OF MILK PRODUCTIVITY OF COWS DEPENDING ON THEIR LINEAL AFFILIATION
Data on the signs of milk productivity of cows of the Ukrainian Black-and-White dairy breed depending on their lineal affiliation are given. The research was conducted in SE DG "Oleksandrivske" Vinnytsia region (Forest-Steppe zone, n=714), the LLC JV "Imeni Volovikova" Rivne region (Polissya zone, n=1,840) and the SE "Experimental farm "Askaniyske" (Steppe zone, n=926 ) on firstborn and full-grown (III lactation) animals. It was found that cows of the Chif line 1427381 (6384 kg) were the most productive in the first lactation in the Forest Steppe zone, in the third - Eleveishn line 1491007 (7325), in the Polissya zone – Starbak line 352790 for both lactations (6126 and 6521 kg, respectively), and in the Steppe zone – Annas Adema 30587 lines (6570 kg and 7482 kg). The highest content of fat in the milk of the SE DG "Oleksandrivske" was found in the first-borns of the Valiant line 1650414 (3.65%) and in full-aged cows of the Starbak line 352790 (3.59%), in the LLC JV "Imeni Volovikova" – Eleveyshn 1491007 (3.67 %) and Valiant 1650414 (3.68%), in SE "Experimental farm "Askaniyske" – Chif 1427381 (4.19%) and Bell 1667366 (4.19%). It is worth noting that the lowest milk yield for the first lactation in the above-mentioned farms was observed, respectively, in cows of lines Haneve 1629391 (5465 kg), Valiant 1650414 (4545 kg) and Bell 1667366 (6055 kg), for the third lactation - in individuals of lines Valiant 1650414 (6633 kg), Eleveishn 1491007 (6058 kg) and Bella 1667366 (6464 kg). In the Forest Steppe zone, the first-borns of the Eleveyshn 1491007 and Starbak 352790 lines were the least fat-milk – 3.59%, and full-aged cows of the Chif 1427381 and Valiant 1650414 lines – 3.56%, in the Polissya zone – the Chif 1427381 and Starbak 352 lines – 3.62% 790 – 3, 62%, and in the Steppe zone – the Annas Adem 30587 line for both lactations – 3.95 and 3.89%, respectively. Variance analysis confirmed the conditionality of the phenotypic variability of the quantitative traits of milk production depending on the lineal belonging of cows established by the comparison of group averages. At the same time, the line had a more significant effect on hope than on fat. Depending on the farm and lactation, the strength of the influence on the milk fat content was in the range of 4.1–21.1%, and in the range of .4–12.4%. Therefore, the linear belonging of cows to some extent can serve as a criterion for predicting their milk productivity.
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