新丹系瘦肉型公猪生长发育规律和生长曲线拟合分析

Heilongjiang Animal Science and Veterinary Medicine(2019)

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Abstract
为了解新丹系瘦肉型公猪的生长发育规律,研究采用Logistic和Gompertz两种生长曲线模型(分别简称L模型和G模型)对85~180日龄杜洛克公猪、长白公猪和大白公猪的体重进行了拟合与分析.结果表明:两种模型均能较好地拟合3个品种公猪的生长曲线,杜洛克公猪以G模型拟合效果较好,长白公猪和大白公猪以L模型拟合效果更佳;3个品种公猪最佳模型的拟合度(R2)分别为1.000,0.999,0.999,模型方程分别为Wt=227.43e-6.00e-001t,Wt=149.14/(1+48.59e-0.03t),Wt=124.63/(1+48.32e-0.03t).
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