National Poultry Improvement Plan
de National Poultry Improvement Plan (U.S.)
Materias
Ediciones (1)
- National Poultry Improvement Plan (1996)
U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, Veterinary Services · inglés
Más obras de National Poultry Improvement Plan (U.S.)
Selecting birds for U.S.R.O.P. matings
National Poultry Improvement Plan and auxiliary provisions
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