FOOT AND MOUTH DISEASE 441 
Prevention. Preventive inoculations do not seem to have given 
satisfactory results. Loeffler produced a serum that possessed some 
immunizing effect. The isolating of the diseased animals and the 
placing of the well ones in noninfected fields and stables tend very 
largely to the checking of the spread of the disease. The milk of the 
‘diseased animals should be sterilized before it is used. 
Control. In England the slaughter of infected animals has been 
resorted to in recent years to stamp out the disease. In the recent 
outbreak in the United States, the prompt destruction of all infected 
and exposed animals proved to be very satisfactory. The failure in 
Europe to control the disease by quarantine caused Dammann, Hess, 
‘Cope and others to recommend the radical measure of slaughter of 
infected and exposed animals in order to eliminate the disease. At 
present there seems to be no other method for eliminating this affec- 
tion. 
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1914. 
. 5. LorrrLer unD Froscu. Berichte der Kommission zur Erforschung der Maul- 
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sseushe. Miinch. Med. Wochenschr., 1906, S. 1036. 
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9. NeverMaNnNn. Foot-and-Mouth Disease. Tenth Internat. Vet. Cong., London, 
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10. Pearson. Report on the outbreaks of aphthous fever in Pennsylvania in 
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- 11. Prnsertay. Foot-and-mouth disease. Jour. Comp. Path. and Therap., Vol. 
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12. Satmon. Foot-and-mouth disease. Year Book U. S. Dept. of Agric., 1902. 
p. 643. Ibid. Annual Report Bureau of Animal Industry, 1902, p. 391. 
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