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2010•Acta Ecologiae Animalis DomasticiRequires access

Comparative Study on Analysis and Fitting of Lingkun Chicken Growth Curve

Song Xian-zhang

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Abstract

The objective was to study the growth and development of Lingkun chicken.The growth curve of Lingkun from 0 to 12 weeks was analyzed and fitted with two kinds of nonlinear models(Logistic,Gompertz).The result showed that the growth curves were appropriately fitted with two models,but the Logistic model had better effect on fitting with the growth curves.According to the results of Logistic model,the growth inflexion on body weight and age of different sexual Lingkun chicken was(912.17 g,655.41 g) and(7.87week,7.11week).

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What this paper is about

The objective was to study the growth and development of Lingkun chicken.The growth curve of Lingkun from 0 to 12 weeks was analyzed and fitted with two kinds of nonlinear models(Logistic,Gompertz).The result showed that the growth curves were appropriately fitted with two models,but the Logistic model had better effect on fitting with the growth curves.According to the results of Logistic model,the growth inflexion on body weight and age of different sexual Lingkun chicken was(912.17 g,655.41 g) and(7.87week,7.11week).

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Available abstract

The objective was to study the growth and development of Lingkun chicken.The growth curve of Lingkun from 0 to 12 weeks was analyzed and fitted with two kinds of nonlinear models(Logistic,Gompertz).The result showed that the growth curves were appropriately fitted with two models,but the Logistic model had better effect on fitting with the growth curves.According to the results of Logistic model,the growth inflexion on body weight and age of different sexual Lingkun chicken was(912.17 g,655.41 g) and(7.87week,7.11week).

Key concepts: Gompertz function, Growth curve (statistics), Logistic function, Logistic regression, Mathematics, Curve fitting, Statistics, Growth model

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