Clean Up!: Many hog diseases may be prevented by clean water, clean feed in clean places, rotation of pasture: more cleanliness, less medicine

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Citation

Unknown. 1920. “Clean Up!: Many hog diseases may be prevented by clean water, clean feed in clean places, rotation of pasture: more cleanliness, less medicine.” Special Collections, USDA National Agricultural Library. Accessed December 7, 2022, https://www.nal.usda.gov/exhibits/speccoll/items/show/8128.