Mushi E Z, Binta M G, Chabo R G, Hyera J M, Thibanyane K M, Mkaria J
Botswana College of Agriculture, Gaborone.
Onderstepoort J Vet Res. 2001 Mar;68(1):69-70.
A serological survey was conducted to determine the prevalence of antibodies to Newcastle disease virus in apparently healthy and unvaccinated adult indigenous chickens. Haemagglutination inhibiting antibodies to Newcastle disease virus were found in the sera of 51 out of 89 (57.3%) chickens sampled.
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