by John W. Gowen
No reviews yet. Be the first!
Manual of dairy cattle breeding
A biometrical study of crossing over
Report of progress on animal husbandry i...
The correlation between milk yield of on...
Studies on conformation in relation to m...
Interpretation of dairy pedigrees
DHIA proved sire list, 1960
DHIA proved sire list, 1961
The Guernsey breed
The Guernsey
DHIA sire summary list, May 1967
DHIA sire summary list, September 1967