Comparison of Growth Curve in Male Layer Chickens

Year 2021, , 49 - 53, 19.08.2021

Widya Pbpintaka Bayu Putra , Roshan Riaz Andrean Amar Gunawan Abdülkadir Orman

https://doi.org/10.30782/jrvm.779699

Cited By: 1

Abstract

This study was aimed to obtain the growth curve of body weight in male layer chickens (Lohman MB 202) based on Logistic and Gompertz models. The frequently data of body weight from one day age to adult age were used for growth curve prediction. Total of one thousand birds from private sector poultry farm in Tasikmalaya Regency, Indonesia were used in this study as the data source. The growth curve estimation was calculated based on Logistic (L) and Gompertz (G) models using Curve Expert 1.4. computer program.The final weight (asymptote) in birds was reached of 1111.27 g (L) and 1685.13 g (G). Therefore, the weight of inflection(Wi) of birds were reached of 555.64 g (L) and 619.53 g (G). The time of inflection (ti) and maximum growth rate (GR) of birds in both models were ±6 months and ±19 g/week respectively.In result, both models had similar of coefficient of determination (R2) value. However,the growth curve of Gompertz (G) model was confirmed as the best growth curve for body weight of birds in this study because of lower of standard error (SE) value.

Keywords

Body weight, growth curve, inflection, male layer

Supporting Institution

This research was funded and supported by Gunung Jati Farm

Thanks

The author thanks to the farmers in Tasikmalaya Regency for their cooperate and support to this research.

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