Abstract
This paper covers the review of diversified performance of laying traits of Bangladeshi indigenous chicken in both in situ and ex situ including few global studies. Indigenous chicken constitutes about 80% of the total chicken population in Bangladesh and their different genotypes distribute throughout the country having distinct morphological and productive characteristics. The common native genotypes (usually non-descript or deshi) provide 35-45 eggs annually with 83-96% egg fertility and 75-88% hatchability in free range while better performance is observed in extensive system. Although Naked Neck and Hilly chicken genotypes perform superior but they are not available like common deshi. The genetic improvement of laying traits is a challenging work for the village chicken in Bangladesh, however, the planned breeding strategies along with improvement management system could enhance the activity. The results presented in this review would be a guideline for selection of indigenous chicken to improve further its productivity and conservation aspect. Thus, a conceptual breeding strategy is proposed here for the improvement of laying traits in village chicken in-situ as uncontrolled mating occurs there compared to ex-situ condition.
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