“Mr. W. S. Haviland, Cynthiana, Harrison County, Kentucky, says:
In August, 1856, I lost about 30 per cent. of my hogs by cholera. I removed the remainder (about 85 head) from a blue-grass woodland pasture, supplied with a creek of running water, to a dry upland clover and timothy pasture having no water in it. They all seemed, at the time, to be more or less affected with the disease. I gave them all the corn they would eat, and regularly fed them six pounds of salt well stirred and mixed with fifty pounds of half-rotted, strong wood-ashes every seven days. They all got well, and I have never had any hogs do better than those eighty-five head did after their recovery. Of late years, while the disease is prevailing on adjoining farms to my own, I carefully notice my hogs, and when I discover lice or nits on them I wash them with soap-suds made of strong country soap, about once in ten days until all appearances of lice and nits have been removed. I then use soft soap, diluted with hot water to the thickness of thin molasses, besmear it over the head[…]”
Excerpt From: United States. Dept. of Agriculture. “Information in Relation to Disease Prevailing Among Swine and Other Domestic Animals.”