author(s)
P Balamurugan, S Ezhil Valavan, NK Sudeep Kumar and C Theophilus Anand Kumar

abstract
A study was undertaken to assess the production performances of native breeder chicken under intensive management system in three district of Tamil Nadu viz, Erode, Tiruppur and Coimbatore. A total of 45 farms, 15 farms from each district were selected for the study purpose by adopting simple random sampling and the data were collected through a semi-structured interview schedule as well as self observation. The selected farms were classified as small (15 farms), medium (15 farms) and large (15 farms) with the capacity ranged from up to 1500, 1501 to 3000 and above 3000 birds. The mean age and body weight at sexual maturity of native female parent was 170.96 ± 1.92 days and 1.83 ± 0.05 kg. The average daily feed intake per native female parent was 117.59 ± 1.95 gm. The amount of feed intake to produce a dozen egg and one kg egg mass in native breeder chicken was 5.44 ± 0.16 and 9.10 ± 0.32 kg respectively. The average egg weight and annual egg production of native female parent was 46.51 ± 0.91 gm and 101.83 ± 3.21 eggs per annum. The average number of settable egg was 97.65 ± 4.62 and hatchability rate per native breeder was 73.16 ± 1.05 per cent in Tamil Nadu.