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Archives Animal Breeding Archiv Tierzucht
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Volume 53, issue 1
Arch. Anim. Breed., 53, 101–107, 2010
https://doi.org/10.5194/aab-53-101-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.
Arch. Anim. Breed., 53, 101–107, 2010
https://doi.org/10.5194/aab-53-101-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.

  10 Oct 2010

10 Oct 2010

Prediction of mono and multiphasic growth parameters of broilers (Short Communication)

M. Mendeş M. Mendeş
  • Biometry and Genetic unit 17020, Department of Animal Science, Faculty of Agriculture, Canakkale Onsekiz Mart University, Canakkale, Turkey

Abstract. The main objective of this study was to predict mono and multiphasic growth model parameters of broilers. For this purpose daily body weights-age data of 106 male and female chickens reared under different stocking densities (GR1=11 birds/m2 , GR2=17 birds/m2 and GR3=25 birds/m2) were used. Results of mono and multiphasic (diphasic and triphasic) growth curve analyses showed that defining the growth of birds using multiphasic growth models instead of monophasic growth models, displays more detailed and reliable results. Based on goodness-of-fit criteria, lead to the choice of a triphasic logistic growth function for GR1 and GR2, and diphasic function for GR3 males and females.

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