M.J. McPhee
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引用次数: 2
SheepO 4.0版:羊管理包
本文演示了SheepO(4.0版)夏季降雨版本的数学关系的验证和验证,SheepO是一个模拟牧场和绵羊生产的决策支持系统。SheepO(3.0版)主要针对澳大利亚南部的冬季降雨地区开发,并过度预测了夏季降雨环境中的可用牧场。这些差异导致了三个区域模型的实施和发展:水分平衡、消化率和芽死亡。开发阶段使用了在Phalaris/白三叶草牧场(Armidale,Lat.30°,31′S,Alt.1070 m)放牧的细毛美利奴羊(4-5岁)的生产数据。4.0版本的验证显示了牧场和绵羊产量在低(9.9只/公顷)放养率下的校准,以及将一项管理变更为高(19.8只/公顷的放养率)的实验。同样,使用细毛美利奴羊(8个月大)的独立数据集(Glen Innes,Lat.29°,42′S,Alt.1057 m)在低放养率和高放养率下进行验证,分别为10只和15只羊/公顷。SheepO 4.0版现在将协助顾问、生产商和研究人员在夏季降雨环境中调查当前管理策略变化的结果。
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