3种水貂资源群体生长曲线的拟合和比较
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摘要
为研究明华黑色水貂、金州黑色标准水貂、咖啡色水貂的生长发育规律,使用Logistic和Gompertz两种模型对体重数据进行了拟合分析。结果表明:Gompertz模型的拟合度最高,拟合结果最接近观测值。咖啡色水貂生长最快,公貂最慢为明华黑色水貂,母貂最慢为金州黑色标准水貂。
To reveal the growth rules of three mink breeds of MingHua black mink, JinZhou black mink and Pastel mink, the growth curvesand populations body weights were analyzed and simulated by two types of nonlinear models(Logistic and Gompertz). The results showedthat Gompertz model inferred better for achieving the real observations. The growth curves indicated that Pastel mink had the fastest growthrates, MingHua black mink had the slowest growth rates in the male, and JinZhou black mink had the slowest growth rates in the female.
To reveal the growth rules of three mink breeds of MingHua black mink, JinZhou black mink and Pastel mink, the growth curvesand populations body weights were analyzed and simulated by two types of nonlinear models(Logistic and Gompertz). The results showedthat Gompertz model inferred better for achieving the real observations. The growth curves indicated that Pastel mink had the fastest growthrates, MingHua black mink had the slowest growth rates in the male, and JinZhou black mink had the slowest growth rates in the female.
引文
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[2]Gbangboche A B,Glele K R,Salifou S,et al.Comparison of nonlinear growth models to describe the growth curve in west African Dwarf sheep[J].Animal,2008,2(7):1003-1012.
[3]Mignon G S,Beaumont C,Le Bihan D E,et al.Genetic parameters of growth curve parameters in male and female chickens[J].Br Poult Sci,1999,40(1):44-51.
[4]杨云清,李仁杰,李淑玲.动态性状遗传参数的估计方法[J].畜牧兽医学报,1996,(5):412-416.
[5]荣敏,涂剑锋,张志明,等.明华黑色水貂生长发育规律与生长曲线拟合研究[J].黑龙江畜牧兽医,2016(9):227-228,300.
[6]詹凯,李俊营,许月英,等.3个蛋鸡品种生发育比较及生曲线拟合研究[J].中国畜牧杂志,2011,47(11):9-11.