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→Hosts
==Hosts==
==Hosts==
All ruminants, including sheep, goats, cattle, buffaloes, camels, antelopes and
deer, are susceptible to BTV infection. Of the domestic species, sheep are clinically
the most severely affected. Sickness is sometimes reported in goats and severe disease
and mortalities occur in white-tailed deer in the United States. Although the infection
of cattle is of great epidemiological significance, it is generally sub-clinical. Horses
and pigs are not infected by BTV but Culicoides may feed upon them and the premises
where they are kept may provide suitable vector breeding sites.
==Transmission==
==Transmission==