<b>Analysis of growth curves in different lineages of <i>Caipira</i> broiler type

  • Caroliny Costa Araujo Universidade Federal do Tocantins
  • Kênia Ferreira Rodrigues Universidade Federal do Tocantins
  • Roberta Gomes Marçal Vieira Vaz Universidade Federal do Tocantins
  • Ana Carolina Muller Conti Universidade Federal do Tocantins
  • Aline Ferreira Amorim Universidade Federal do Tocantins
  • Carla Fonseca Alves Campos Universidade Federal do Tocantins
DOI: https://doi.org/10.4025/actascianimsci.v40i1.38806

Abstract

The objective of this work was to identify, by means of different statistical criteria the ideal nonlinear regression model to describe the growth curve of three lineages of caipira broiler for meat production. A total of 90 birds were used, being 30 birds from each of the following lineages: Pescoço Pelado, Carijó and Pesadão Vermelho. The individual body weight of broilers (1, 7, 14, 21,28, 35, 42, 49, 56, 63, 70, 77, 84 and 91 days of age) was collected weekly for determination of growth curves by means of Models von Bertalanffy, Gompertz, Logistic, Richards and Brody. The parameters of Brody model did not converge to the weight of strains. The model that better adjusted to the data was Logistic.

 

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Author Biography

Aline Ferreira Amorim, Universidade Federal do Tocantins
Zootecnista, Especialista em Produção de Aves, Mestre em Ciência Animal Tropical e Doutoranda em Ciência animal Tropical
Published
2018-03-01
How to Cite
Araujo, C. C., Rodrigues, K. F., Vaz, R. G. M. V., Conti, A. C. M., Amorim, A. F., & Campos, C. F. A. (2018). <b>Analysis of growth curves in different lineages of <i>Caipira</i&gt; broiler type. Acta Scientiarum. Animal Sciences, 40(1), e38806. https://doi.org/10.4025/actascianimsci.v40i1.38806
Issue
Vol 40 (2018): Publicação Contínua
Section
Animal Production

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