China Dairy ›› 2021, Vol. 0 ›› Issue (5): 21-24.doi: 10.12377/1671-4393.21.05.04

• FEEDING MANAGEMENT • Previous Articles     Next Articles

Results of Dairy Herd Improvement (DHI) in Yunnan Province from 2011 to 2020

ZHOU Yaping, ZHANG QuanPeng, CHENG Yumei, LI Chun, SHI Kaiping, ZHANG Likun, LIU Qin   

  1. Kunming Animal Health Supervision Institute, Kunming Yunnan 650041
  • Online:2021-05-25 Published:2021-06-07

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Abstract: This paper summarized and analyzed the data of Dairy Herd Improvement (DHI) in Yunnan Province from 2011 to 2020,and it was found that the DHI measurement has achieved remarkable results.From 2011 to 2020, milk yield,milk composition,somatic cells,calving interval and other indexes of reference cows were significantly improved.Compared with 2011,in 2020,the average daily milk yield,milk fat percentage,milk protein percentage and total solids of dairy cows increased by 86.67%,0.63 percentage points,0.12 percentage points,0.23 percentage points, somatic cell number decreased by 68.91% and calving interval decreased by 50.58 days.

Key words: 2011-2020, Yunnan Province, Dairy Herd Improvement (DHI), results

[1] 王若勇. 应用DHI对陕西省奶牛中心奶牛生产性能综合分析:[硕士论文][D]. 杨凌:西北农林科技大学,2019.
[2] 邓检明,袁耀明,王文丹,等. 我国DHI技术的应用现状与发展趋势[J]. 中国奶牛,2019(6):58-61.
[3] 王玲玲. DHI体系对提高奶牛生产性能观察与分析[J]. 中国畜禽种业,2017,13(3):74-75.
[4] 华实,齐新林,谭世新. DHI是提升奶牛场管理水平的核心[J]. 中国奶牛, 2011(5):56-59.
[5] 杨建文,王建军,焦静波. 奶牛DHI测定及其推广应用分析[J]. 畜牧与饲料科学,2009,30(10):161-163.
[6] 石璞,许尚忠. 奶牛DHI中的体细胞测定与牧场管理[J]. 中国奶牛,2007(6):22-24.
[7] 胡后银,刘广海,张大龙,等. 奶牛DHI测定系统的建立与应用[J]. 山东畜牧兽医,2006(6):4-7.
[8] 宋文秀. 由乳脂率检测结果分析引起乳脂变化的因素[J]. 上海畜牧兽医通讯,1997(5):23.
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