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乌苏里貉生长发育规律研究及其生长曲线模型拟合

Xian-hua ZHANG,Zhi-li ZHAO,Wei-hong JIANG,Bao-jun ZHANG

Journal of Economic Animal（2009）

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Abstract
选取60只分窝乌苏里仔貉,按出生窝别、出生时间、性别、体重分为4组,生长期和冬毛期分别饲喂4种不同的试验日报,研究其生长发育规律,拟合其体重和体长生长模型.结果表明:乌苏里貉周平均日增重在8～12周龄和18～24周龄有2个高峰期(分别为40 g/d和50 g/d),体长生长速度在9～14周龄和20～22周龄有2个高峰期(分别为0.3 cm/d和0.2 cm/d);体重和体长适宜生长曲线方程分别为:Y=241.47+42.242X+19.041 X2-0.399X3(R2=0.994),Y=9.517+3.374X-0.067X2(R2=0.992).
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Key words
growth model,body length,raccoon dog,body weight,morphometrics
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