在漏洞中活动较少的奶牛具有更优的放牧分布
Maggie Creamer1, Kristina Horback2
1Department of Animal Science, University of California, Davis, 1 Shields Avenue, Davis, CA, 95616, USA.
Scientific reports
|January 2, 2025
概括
在处理和隔离期间反应平静的牛表现出更可持续的放牧模式. 这表明,根据行为选择牛可以提高牧场管理和土地利用的可持续性.
科学领域:
- 动物行为 动物行为
- 牧场生态 牧场生态
- 可持续农业 可持续农业
背景情况:
- 个别牛的放牧模式影响土地利用的可持续性.
- 这些模式的一致性和可预测性仍然不太清楚.
- 了解与放牧的行为联系对于有效的牧场管理至关重要.
研究的目的:
- 调查各个牛放牧模式的一致性.
- 为了确定在处理和社会料中进行的行为反应是否与放牧分布相关.
- 探索使用行为指标来预测最佳食模式的潜力.
主要方法:
- 在两个放牧季 (2021-2022) 期间,观察了50只安格斯 x 赫雷福德牛.
- GPS项圈跟踪放牧指标 (高度,行驶距离).
- 奶牛接受了管理,社会食权衡 (SFTA) 和新方法测试,以评估行为反应.
主要成果:
- 对处理有被动反应的奶牛在较高的海拔和远离水的地方放牧.
- 这些被动牛也更频繁地使用补充站点.
- 在SFTA中食的延迟时间较长的奶牛旅行的距离较短,这表明不同的食策略.
结论:
- 牛的被动行为反应与更优的放牧模式相关,利用未充分利用的区域.
- 在处理和隔离过程中可观察到的行为可以作为选择具有有益食特征的牛的指标.
- 这种方法可以通过改善牛的选择来提高牧场牧场的可持续性.
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