Abstract
Morphological and carcass traits of three chicken genotypes under free-range, semiintensive, and intensive housing systems
Highlights
Genetic improvement in rural poultry can be accomplished by selection or crossbreeding while selection procedures are long-term but definite
The present study evaluated the effect of housing system on morphometric and carcass traits of 3 chicken genotypes
Keel length was maximum in Black Australorp × Naked Neck (BNN) chickens followed by Naked Neck (NN) and Red × Naked Neck (RNN) (P < 0.0001)
Summary
Genetic improvement in rural poultry can be accomplished by selection or crossbreeding while selection procedures are long-term but definite. Crossbreeding results in the development of birds that have better growth, morphometric, and carcass characteristics and reproductive traits, reducing the total cost of production [2,3]. Birds under free-range housing systems have access to enriched environments that promote behavioral activities, i.e. scratching and foraging, and improve the overall welfare of the birds. Meat quality attributes of organic and free-range housed chickens are considered more valued as far as quality is concerned. Indigenous chicken breeds are generally nominated for free-range housing systems because of their hardy nature and better acclimatization in extreme weather conditions. The present study was planned to determine the diversity of different chicken genotypes and to develop a dual-purpose chicken breed having better growth and carcass traits that can be reared under different housing systems
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