Transmission of bovine leukemia virus by Tabanus fuscicostatus.

L. D. Foil, D. D. French, P. G. Hoyt, C. J. Issel, D. J. Leprince, J. M. McManus, C. L. Seger

Research output: Contribution to journalArticlepeer-review


Bovine leukemia virus (BLV) was transmitted by horse flies, Tabanus fuscicostatus, from a cow with a lymphocyte count of 31,500/mm3 to goats and dairy calves. As few as 10 and 20 flies transmitted BLV to goats and calves respectively, but the minimal number of flies required to transmit the infection was not established. Groups of 150 and 100 T fuscicostatus transmitted BLV to beef calves from a cow with a lymphocyte count of 14,600/mm3. These results support a role for horse flies in the horizontal transmission of BLV.

Original languageEnglish (US)
Pages (from-to)1771-1773
Number of pages3
JournalAmerican journal of veterinary research
Issue number10
StatePublished - Oct 1989
Externally publishedYes

ASJC Scopus subject areas

  • General Veterinary


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