The data on body weights at birth, 3, 6, 9 and 12 months of age recorded on 519 Nellore Brown lambs born during 2009 to 2013 maintained at Livestock Research Station, Mamnoor, Warangal district which is a constituent of Sri . Narsimha Rao Telangana Veterinary University, Hyderabad, were utilized for the present study. | Genetic analysis of growth rates of Nellore brown sheep