Prevalence of Newcastle disease virus antibodies in sera and eggs of helmeted guinea fowls ( Numida meleagris galeata pallas ) in Borno and Yobe States, Nigeria

摘要

The seroprevalence and maternal antibody profiles to Newcastle disease virus infection of guinea fowls were studied using haemagglutination inhibition (HI) test, in Borno and Yobe States of Nigeria. Of 822 sera and 354 egg yolk extracts tested, 327 (39.8%