在乳牛的周围周期期间,在反,活动和躺卧行为方面,个体动物的变异性
Ahmadreza Mirzaei1, Victoria R Merenda1, Luiz F Ferraretto2
1Department of Large Animal Clinical Sciences, University of Florida, Gainesville 32608.
JDS communications
|June 26, 2023
概括
奶牛的个体行为,包括反,活动和撒谎,最受动物本身的影响. 营养和种群密度等环境因素在日常变化中起不大作用.
科学领域:
- 动物科学动物科学
- 乳牛的行为 乳牛的行为
- 环境对畜牧业的影响
背景情况:
- 了解周周的奶牛行为对于优化动物福利和生产率至关重要.
- 个体在反,活动和撒谎行为上的变化可以受到营养,社会互动和物理环境的影响.
研究的目的:
- 为了确定个体动物在反,活动和躺着行为的变化程度,在周围时期.
- 评估营养,社会环境和物理环境对荷尔斯坦乳牛这些行为的影响.
主要方法:
- 使用自动监控设备 (Hi-Tag) 和数据记录器 (HOBO Pendant G) 记录了77只无牛和219只牛的行为.
- 测量了营养分析 (peNDF,原蛋白,提取物),温度湿度指数 (PctTHI68) 和库存密度.
- 行为数据分别分析了产前期 (无产/有产) 和产后期 (有产/有产) 的行为数据.
主要成果:
- 个体动物解释了反 (49.783.9%),活动 (56.870.7%) 和躺时间 (35.663.6%) 在产前和产后的显著部分变化.
- 库存密度,温度-湿度指数和饮食成分等环境因素解释了这些行为每日变化的不到6.6%.
结论:
- 在商业条件下,个体动物变异是乳牛反,活动和躺时间的日常变化的主要驱动因素.
- 虽然环境因素有关联,但它们在解释行为变异方面的影响力比个体动物差异要小.
相关概念视频
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