Effect of the cattle tick upon the milk production of dairy cows
Woodward, T.E., Turner, W.F.
Effect of the cattle tick upon the milk production of dairy cows - Washington 1915 - 1-22 p. - Cattle, Milk, Production United States Department of Agriculture. Bulletin No. 147 .
Effect of the cattle tick upon the milk production of dairy cows - Washington 1915 - 1-22 p. - Cattle, Milk, Production United States Department of Agriculture. Bulletin No. 147 .