Physiological and gentical aspects of egg production in white plymouth Rock Pullets
VAN, Middelkeep J.H
Physiological and gentical aspects of egg production in white plymouth Rock Pullets - Wageningen 1973 - 76p - Agricultural research report, 813 .
EGGS -- PRODUCTION
EGGS -- PRODUCTION PLYMOUTH ROCKS (POULTRY) POULTRY -- PHYSIOLOGY POULTRY BREEDING
636.582 V19P
Physiological and gentical aspects of egg production in white plymouth Rock Pullets - Wageningen 1973 - 76p - Agricultural research report, 813 .
EGGS -- PRODUCTION
EGGS -- PRODUCTION PLYMOUTH ROCKS (POULTRY) POULTRY -- PHYSIOLOGY POULTRY BREEDING
636.582 V19P