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The prevention of losses among sheep from stomach worms (Haemonchus contortus)
- Ransom, Brayton Howard, United States Bureau of Animal Industry, and United States Department of Agriculture
- Circular (United States. Bureau of Animal Industry) ; no. 157 1910
- Sheep -- Diseases, Sheep -- Parasites, and Parasites -- Control
- 10 pages ; 24 cm.
- U.S. Dept. of Agriculture, Bureau of Animal Industry
- Organic Roots Collection