Autor: D. Phillip Sponenberg, 3 titluri

Equine Color Genetics

D. Phillip Sponenberg

An Introduction to Heritage Breeds: Saving and Raising Rare-Breed Livestock and Poultry, Paperback/D. Phillip Sponenberg

D. Phillip Sponenberg

Managing Breeds for a Secure Future

D. Phillip Sponenberg,Alison Martin,Jeannette Beranger