Saravanabava, KVenkatesan, RATANUVAS2022-07-292022-07-291995https://krishikosh.egranth.ac.in/handle/1/5810185895TNV_CRN_1995_24(3&4)127-130Bluetongue is an economically important viral disease of sheep and other ruminants. Prevalence of bluetongue have been reported from different parts of this country. (Lonkar et al., 1983; Mehrotra and Shukla, 1990; Janakiraman et al., 1991). The marked variation in the susceptibility of individual animal, age group, breed, species and the wide range of virulence exhibited by antigenically different strains of bluetongue virus are responsible for the unpredictable morbidity and mortality (Sellers, 1981; Sharma el al., 1985).EnglishVeterinary ScienceArticle