Line breeding, scientific line breeding of big type Polands, a comprehensive treatise of breeding and mating, with pedigree diagrams showing this great and only correct system of breeding big type Polands for best results ...
1919
Fox, Adrian Rossitter.
书目信息
出版者
A. R. Fox
其它主题
Poland-china swine
语言
英语
类型
Book
2014-10-15
AGRIS AP
