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Experimental transmission of foot-and-mouth disease among Indian buffalo (Bubalus bubalis) and from buffalo to cattle

Maroudam, V.; Nagendrakumar, S.B.; Madhanmohan, M.; Santhakumar, P.; Thiagarajan, D.; Srinivasan, V.A.

Journal of Comparative Pathology 139(2-3): 81-85

2008


ISSN/ISBN: 0021-9975
PMID: 18619607
DOI: 10.1016/j.jcpa.2008.05.003
Accession: 053134245

Indian buffalo and cattle were infected experimentally with a serotype O strain of foot-and-mouth disease virus of buffalo origin. Whereas intradermolingual inoculation of buffalo produced largely sub-clinical infection, inoculation in the dental pad produced vesicles in the mouth and on the feet. A buffalo infected via the dental pad transmitted infection to cattle and buffalo by direct contact with them for 24h. The contact-exposed buffalo developed (1) delayed-onset clinical signs, and (2) shedding of virus from the nose, commencing before the appearance of vesicles and continuing until the experiment was terminated 10 weeks after exposure. The covert nature of the disease in Indian buffalo, coupled with the prolonged shedding of virus, suggests that this species represents a host of epidemiological importance.

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