Prevalence of antibodies to alcelaphine herpesvirus-1 and nucleic acid hybridization analysis of viruses isolated from captive exotic ruminants
1989
Seal, B.S. | Heuschele, W.P. | Klieforth, R.B.
A serologic survey was conducted to determine the prevalence of antibodies to alcelaphine herpesvirus-1 (AHV-1) in captive exotic ruminants within the United States. Forty-six percent of the members of the subfamily Alcelaphinae (wildebeest, topi, hartebeest) in the family Bovidae had virus-neutralizing antibody to AHV-1. Other subfamilies of Bovidae with high prevalence of virus-neutralizing antibodies to AHV-1 included Hippotraginae (oryx and addax) and Caprinae (sheep and goats), with prevalence of 45% and 29%, respectively. Herpesviruses that have been isolated from captive exotic ruminant species, including healthy animals and those with clinical malignant catarrhal fever at the Oklahoma City Zoo and the San Diego Zoo/Wild Animal Park, were analyzed by DNA restriction enzyme analysis and blot hybridization. Variation has been detected among the genomes of several malignant catarrhal fever virus isolates obtained from various exotic species of ruminants, using the DNA restriction enzymes BamHI and HindIII. The DNA of these virus isolates is distinct from that of bovine herpesviruses 1, 2, and 4, as demonstrated by restriction enzyme analysis and nucleic acid hybridization. On the basis of restriction enzyme analysis and nucleic acid hybridization data, the DNA from each of the putative alcelphine herpesvirus isolates examined, except for the topi virus isolate, had a high degree of DNA sequence similarity with the original AHV-1 isolate, WC-11, from a blue wildebeest.
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