TY  - BOOK
AU  - Sunil Kumar
ED  - Singh, Harpal
TI  - Genetic studies of breeding efficiency at various ages in relation to milk yield in dairy cattle
U1  - TH 
PY  - 1994///
CY  -  Pantnagar
PB  - GBPUA&T
KW  -  Cattle breeding
KW  -  Milk production
KW  - Dairy cattle
N1  - Animal Breeding
ER  -