Some results of inbreeding grade guernsey and grade holstein-friesian cattle
Woodward, T.E., Graves, R.R.
Some results of inbreeding grade guernsey and grade holstein-friesian cattle - Washington 1933 - 1-32 p. - Breeding, Cattle United States Department of Agriculture. Technical Bulletin No. 339 .
Some results of inbreeding grade guernsey and grade holstein-friesian cattle - Washington 1933 - 1-32 p. - Breeding, Cattle United States Department of Agriculture. Technical Bulletin No. 339 .