study of akabane infection in saudi arabia by the use of sentinel ruminants.two sentinel herds of calves (eastern and central regions of saudi arabia) and one of sheep and goats (south western region) were established to study akabane virus infection. the herd at the al-ahsa oasis (eastern region) showed evidence of akabane viral activity, as reflected by the presence of maternal (colostral) antibody, which had waned to insignificant concentrations by the time the calves had reached the age of 5 months. there was no evidence of subsequent seroconversion. the other two s ...19989839208
abortions, stillbirths and deformities in sheep at the al-ahsa oasis in eastern saudi arabia: isolation of a bluetongue serogroup virus from the affected lambs.a wave of abortions, stillbirths and deformities in sheep occurred at the al-ahsa oasis in the eastern region of saudi arabia in the second half of 1999. the abortions were recorded in august and september and stillbirths and deformities in neonates were observed in october. adult sheep were clinically normal. a virus was isolated in chicken embryos, adapted to vero cell culture and further identified as bluetongue (bt) virus. the virus isolated was not neutralised by the akabane virus. referenc ...200415861886
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