Egg quality Traits of Different Native Chickens Reared under Intensive System in Tamil Nadu

A total of 60 fresh eggs comprising of twenty eggs each from Aseel, Kadaknath and Nicobari birds reared under deep litter system of management was collected at 40th week of age and studied for its internal egg quality characteristics. Highly signi cant differences were observed between native chicken breeds in egg weight, yolk index and shell thickness. Aseel had signi cantly heavier eggs (50.38±0.88g) and higher yolk index (0.43±0.009). Nicobari had signi cantly higher yolk index (0.43± 0.009). Both Kadaknath and Nicobari eggs had signi cantly thicker egg shell (0.370± 0.002mm; 0.361±0.003mm).