CalfSim工具:一个免费和用户友好的决策支持工具,用于设计和模拟乳牛的优化养计划-一个预测评估研究
1Department of Animal and Veterinary Sciences, the University of Vermont, Burlington, VT 05405.
JDS communications
|September 9, 2025
概括
一个名为CalfSim的新工具有助于优化乳牛养策略,使用最新的NASEM (国家科学,工程和医学院) 准则. 它模拟了养计划,以改善小牛的健康和表现,帮助农民进行成本效益的养殖.
科学领域:
- 动物科学动物科学
- 乳制品营养 乳制品营养
- 农业技术 农业技术
背景情况:
- 优化小牛的养对于哺乳前动物的表现和健康至关重要.
- 现有的决策支持工具缺乏与乳牛的更新NASEM (2021) 方程的整合.
研究的目的:
- 开发和验证 CalfSim,一个用户友好的决策支持工具,用于模拟和优化奶牛养策略.
- 为评估营养影响对小牛的表现和养殖成本提供资源.
主要方法:
- 根据NASEM (2021) 方程开发了CalfSim,适应允许的能量增长和固体料摄入量.
- 通过使用27项研究的数据 (76项治疗,1585只小牛) 验证了CalfSim预测.
主要成果:
- 卡尔夫西姆展示了准确和精确的性能预测 (RMSE = 8.56 公斤,R2 = 0.91,CCC = 0.93).
- 该工具允许模拟营养策略的"如果"情景.
结论:
- CalfSim是乳制品营养学家,农民和顾问的有价值的免费资源.
- 建议在农场进行数据整合,以完善考虑疾病和环境等因素的预测.
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