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Genetic parameters of body weight and prolificacy in pigeons

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Abstract

Genetic parameters of body weight at weaning and of prolificacy were estimated in three commercial lines of pigeons selected by BLUP (Best Linear Unbiased Prediction) on both traits. The model of analysis took into account the direct genetic effects for both traits and the effect of parental permanent environment for body weight. Depending on the line considered, body weight varied from 556.7 g to 647.6 g and prolificacy ranged from 12.5 to 16.8 pigeons weaned per couple of parents per year. Heritability of body weight was high, varying between 0.46 and 0.60, and permanent environment was responsible for 6% to 9% of the total variability. On the contrary, prolificacy was poorly heritable (0.04 to 0.12). They were highly and negatively correlated (-0.77 to -0.82). Body weight showed significant genetic trends in lines B and C. No significant genetic difference could be observed between males and females for both traits.

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Correspondence to Sandrine Mignon-Grasteau.

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Mignon-Grasteau, S., Lescure, L. & Beaumont, C. Genetic parameters of body weight and prolificacy in pigeons. Genet Sel Evol 32, 429 (2000) doi:10.1186/1297-9686-32-4-429

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Keywords

  • pigeon
  • weight
  • prolificacy
  • genetic parameters