Premavalli, K.Rajendran, R.Sangilimadan, K.Kanagaraju, P.Omprakash, A.V.Thyagarajan, D.Babu, M.TANUVAS2016-07-012016-07-012016-02http://krishikosh.egranth.ac.in/handle/1/68355A total of 60 fresh eggs comprising of thirty eggs each from Nandanam Chicken-II and Nandanam Chicken-IV birds reared under deep litter system of management was collected at 40th week of age and studied for its external egg quality characteristics. The overall mean egg weight, egg shape index, egg specific gravity and egg surface area were 52.98±0.48g, 75.90±0.62, 1.048±0.01 and 65.46±0.41 respectively. Non significant (P≥0.05) differences were observed in egg weight, shape index, specific gravity and egg surface area. It can be concluded that Nandanam Chicken-II and Nandanam Chicken-IV birds had comparable external egg quality characteristics.enExternal egg qualityNandanam Chicken-II, IVArticle