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The Prevention of Foot and Mouth Disease
The ministry of agriculture is taking measures to prevent the introduction of foot-and-mouth disease from South America. In 1926 a disastrous epidemic occurred in Scotland which was traced to carcasses of pigs imported from Europe for conversion into bacon. The result was that importation of fresh carcasses and their offals from Europe was prohibited. In this country cattle and pigs were slaughtered in the early stage of the disease and their carcasses were dressed for market in the usual way and kept at temperatures as low as 15 F. Bone marrow from such chilled carcasses was proved by inoculation to remain active for forty-two days and the blood from thirty to forty days. Certain conditions to get the disease under control were agreed to by the South American countries which export meat to Britain to prevent the export of carcasses in the infective
LONDON. JAMA. 1928;90(20):1639–1641. doi:10.1001/jama.1928.02690470045021