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病对乳山羊的牛奶产量的影响

Natasha Jaques¹, Sally-Anne Turner², Emilie Vallée³

¹School of Agriculture and Environment, Massey University, Palmerston North 4442, New Zealand.

Animals : an open access journal from MDPI

|October 27, 2023

概括

乳牛山羊的腿显著降低了牛奶产量,严重腿的山羊产奶量减少了8.67%. 这影响了农场的收入,强调是山羊健康和生产力的关键问题.

科学领域:

动物科学动物科学
兽医医学兽医医学兽医医学
乳制品生产乳制品生产

背景情况:

是乳山羊养殖中一个重要的福利问题.
临床可能会对牛奶产量和农场整体利能力产生负面影响.

研究的目的:

评估临床对乳山羊每日牛奶产量的影响.
量化的经济影响,乳制山羊养殖场.

主要方法:

在新西兰三个农场 (2019年7月 - 2020年6月) 收集了3,145只乳山羊的11,847个测试日牛奶生产记录.
使用五分机动分数系统 (0-4) 评估.
使用线性混合模型分析数据,按哺乳类型分层 (季节性与延长).

主要成果:

严重的山羊 (得分4) 在季节性和延长的哺乳期分别产生了7.05%和8.67%的少奶,相比于非的山羊.
估计每天的牛奶收入损失在每天从NZD19.5到104不等,而严重的患病率在群体中为5-20%.

结论:

临床有明显的负面影响乳山羊的牛奶产量.
性严重影响乳山羊养殖场的年收入,强调需要有效的管理策略.

关键词:

乳制品乳制品是一种乳制品.胖胖胖的胖胖的胖胖的一只山羊,一只山羊.收入就是收入.乳糖乳糖是什么意思乳糖是什么意思这就是惰,惰,惰.牛奶生产牛奶生产蛋白质蛋白质是蛋白质蛋白质的组成部分.这是一个比率比率的比率.福利服务福利服务

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