Analysis of growth curves in different lineages of Caipira broiler type

Autores

  • 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

Palavras-chave:

statistical model, birds, weight, age, lineage.

Resumo

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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Biografia do Autor

  • Aline Ferreira Amorim, Universidade Federal do Tocantins
    Zootecnista, Especialista em Produção de Aves, Mestre em Ciência Animal Tropical e Doutoranda em Ciência animal Tropical

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Publicado

2018-03-01

Edição

Seção

Produção Animal

Como Citar

Araujo, C. C., Rodrigues, K. F., Vaz, R. G. M. V., Conti, A. C. M., Amorim, A. F., & Campos, C. F. A. (2018). Analysis of growth curves in different lineages of Caipira broiler type. Acta Scientiarum. Animal Sciences, 40(1), e38806. https://doi.org/10.4025/actascianimsci.v40i1.38806