阿拉善双峰驼体重生长模型的研究  

Research the Body Weight Growth Model of Alashan Camel

作　　者：冯登侦[1] 吴常信[2] 

机构地区：[1]宁夏大学农学院,宁夏银川750021 [2]中国农业大学动物科技学院,北京100094

出　　处：《草食家畜》2008年第2期22-25,共4页Grass-Feeding Livestock

基　　金：国家自然科学基金资助项目(30760166);宁夏大学自然基金项目资助

摘　　要：根据761峰阿拉善双峰驼出生到15岁龄的体重资料,采用10种生长曲线,以年龄为单位拟合阿拉善双峰驼体重生长模型。结果显示:采用S曲线模型、三次项模型、对数模型和二次项模型的拟合骆驼体重生长曲线的效果都比较理想,拟合度均在0.9以上。S曲线模型拟合效果最好,公驼和母驼拟合度均在0.99左右。Fitted the body weight growth curve model of Alashan Camel according to data from 761 Alashan Camel body weight with 10 different growth curve. Result show： The goodness of fitted the body weight growth curve model with S function model Y= e（b0 ＋b1/x）and Cubic function model Y= b0＋ b1×X＋b2×X^2＋b3＊X^3and Logarithm function model Y= b0＋ b1×（lnX）and Quadratic Y= b0＋b1×X＋b2×X2 was higher than 0.9. The best fitting goodness of the body weight growth curve was achieved when the curve was fitted with S function model Y=e（b0 ＋b1/X）, which was up to 0.99 for female and male camels.

关 键 词：阿拉善双峰驼 体重 生长曲线 

分 类 号：S824[农业科学—畜牧学]