TY - BOOK AU - Devendra Kumar ED - Singh, R.V. TI - Studies on the inheritance of fitness and production traits and their relationship with 30 days egg production white leghorn poultry flock U1 - TH PY - 1983/// CY - Pantnagar PB - GBPUA&T KW - Egg production KW - White leghorn (Poultry) KW - Poultry Breeding N1 - Animal Breeding ER -