为什么基于相机和基于尺度的测量有所不同:完成猪的每日体重变化的生理模型
Kikuhito Kawasue1, Khin Dagon Win1, Tadaaki Tokunaga2
1Faculty of Engineering, University of Miyazaki, Miyazaki 889-2192, Japan.
Animals : an open access journal from MDPI
|February 13, 2026
概括
由于正常的行为,加工猪每天体重波动±3-5公斤,这会影响活体体重的准确性. 这种生理变异超过了典型的测量误差,需要仔细解释猪生产中的称重技术.
科学领域:
- 动物科学动物科学
- 精准畜牧养殖 精准畜牧养殖 精准畜牧养殖
- 生理学建模 生理学建模
背景情况:
- 活体重量是生猪生产中的一个关键指标,用于生长和技术评估.
- 由于养,饮用和废物清除,加工猪在短期内会出现显著的活体重波动.
研究的目的:
- 通过使用随机模拟模型量化加工猪的一天内活体重动态.
- 为不同的体重测量技术之间的差异提供生理基础.
主要方法:
- 将已发布的生理和行为数据集成到一个随机模拟模型中.
- 在24小时内以1分钟的分辨率对100公斤猪进行模拟的活体重动态.
主要成果:
- 模拟显示每日体重波动大约为±3-5公斤,平均每日体重为4.2公斤.
- 生理重量变化往往超过相机称重系统 (±2-3公斤) 声称的准确性.
结论:
- 活体体重是一个动态的生理变量,而不是一个固定的数量.
- 由于生理波动,即时体重测量的直接比较可能具有误导性.
- 解释称重技术的准确性需要考虑猪的正常生物变异.
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