Scientia Agricultura Sinica ›› 2006, Vol. 39 ›› Issue (10): 2159- .doi: 10.3864/j.issn.0578-1752.at-2005-5993

• RESEARCH NOTES • Previous Articles    

Comparative study on Analysis and Fitting of Tibetan Chicken Growth Curve

  

  1. 华中农业大学动科院动物分子生物学与育种实验室
  • Received:2005-09-14 Revised:2006-01-22 Online:2006-10-10 Published:2006-10-10

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Abstract: The growth curve of Tibetan chicken from 0 to 16 weeks old was analyzed and fitted with three kinds of nonlinear models (Gompertz, Logistic, von Bertalanffy).The result showed that the growth curves could be well fitted with three models, but the Gompertz model had the best effect on fitting with the growth curves. Analyzing the fitting parameters of the Gompertz, we found the adult body weight of cock is higher than the hen notably, but the growth inflexion of cock (13.20 weeks) is late to the hen (11.27 weeks).

Key words: growth curve, Tibetan chicken, body weight, model

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