Summary
Foot-and-mouth disease virus transmission could not be demonstrated from carrier cattle to susceptible contact pigs, even though the feet of some contact pigs were traumatized to produce skin abrasions and others were given massive doses of embryonated ascaris eggs. Stress by steroid injections did not enhance the virus activity in the pharynx of carrier cattle.
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Sutmoller, P., McVicar, J.W. The epizootiological importance of foot-and-mouth disease carriers. Archiv f Virusforschung 37, 78–84 (1972). https://doi.org/10.1007/BF01241153
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DOI: https://doi.org/10.1007/BF01241153