乳牛的个性特征与它们周围青春期的母牛后代之间的关联
S C Czachor1, A J Schwanke1, J E Brasier1
1Department of Animal Biosciences, University of Guelph, Guelph, Ontario, N1G 2W1, Canada.
JDS communications
|September 20, 2023
概括
奶牛的母性性格特征与母牛后代的行为有有限的关联. 了解这些联系可以帮助预测母牛的个性和母牛的个性.
科学领域:
- 动物行为和遗传学
- 乳牛的福利和管理.
背景情况:
- 人格特征是遗传的,可以影响动物的行为和生产力.
- 了解人格特征从母体传给后代的传递对于奶牛群管理至关重要.
研究的目的:
- 研究过渡期荷尔斯坦牛的个性特征与它们周围青春期的母牛之间的相关性.
- 探索基于母亲的个性来预测母个性的潜力.
主要方法:
- 在分娩前后使用综合竞技场测试 (新环境,新物体,新人类) 评估了23头荷尔斯坦牛的个性特征.
- 利用主要成分分析 (PCA) 来确定牛和23只母牛犊的个性因素.
- 分析了牛和母牛个性因素得分之间的关联.
主要成果:
- 在牛 (探索性,积极性,大胆性) 和公牛 (大胆性,探索性-积极性,社交性) 中确定了个性因素.
- 发现探索性奶牛和不那么大胆的小母牛之间存在显著的关联.
- 观察到活跃奶牛与探索性活跃和大胆的小母牛相关的趋势.
结论:
- 在乳牛中,母牛和母牛的个性特征之间存在有限的关联.
- 进一步的研究可能能够从母牛的个性预测母牛的个性,有助于选择性繁殖和管理.
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