模拟料动物接口,以估计放牧牛放牧百慕大草的每日收益
Prem Woli1, Kenneth J Boote2, Gerrit Hoogenboom2
1Texas A&M AgriLife Research Center, 1710 N. FM 3053, Overton, TX, 75684, USA.
Journal of animal science
|February 12, 2026
概括
一个新的系统估计了放牧者放牧百慕大草的每日体重增加,改善了肉牛管理. 这种每日增益估计系统 (DGESS) 有助于优化料牛肉建模和经济结果.
科学领域:
- 农业科学 农业科学
- 动物科学动物科学
- 生态生态学 生态生态学
背景情况:
- 美国东南部的肉牛生产至关重要,需要有效的牧场系统管理.
- 了解复杂的料生长-脱叶-动物表现系统对于有效管理至关重要.
- 现有的模型缺乏对百慕大草牧场上养殖者表现的每日估计能力.
研究的目的:
- 开发一套计算机系统,用于估计放牧百慕大草的牧羊人每日的表现.
- 为了将CROPGRO多年料模型与养殖者每日收益模型结合起来.
- 为集成建模创建一个食动物接口 (FAI) 模块.
主要方法:
- 通过食动物接口 (FAI) 模块将CROPGRO多年料模型与养殖者每日收益模型相结合.
- 开发了一种用于仓储者的每日增益估计系统 (DGESS).
- 在德克萨斯州奥弗顿使用33项试验 (1987-2020) 的数据测试了DGESS的性能,分析了养殖者每日平均增长 (ADG),体重 (BW) 和百慕大草料质量 (FM).
主要成果:
- 在预测养殖者体重 (BW) 方面,DGESS表现出强的表现,威尔莫特指数 (WI) 为0.91.
- 平均每日收益 (ADG) 和料质量 (FM) 的预测显示出更大的变化 (分别为0.77和0.73的WI).
- 低平均绝对误差 (MAE) 和根平均平方误差 (RMSE) 的值表明了模型的准确性.
结论:
- 开发的DGESS准确地预测了放牧者放牧百慕大草的每日收益和体重.
- 欧洲粮食安全总局 (DGESS) 可以加强用于科学研究的料牛肉建模,并为利益相关者提供经济利益.
- 该系统还估计了每天的料营养价值,料质量和料津贴.
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