Abstract
Keywords: H1N1 and H5N1 influenza A, chicken Sera, Nigeria. One hundred sera samples from chicken flocks showing respiratory distress but failed to respond to treatment against chronic respiratory disease (CRD) were tested for avian influenza virus antibodies. The sera samples were collected from 5, 32, and 21 weeks old broilers, broiler breeders and pullets respectively. All the 100 sera samples from the three flocks were positive for influenza virus serotype H1N1 antibodies. In addition 35.3%, 57.14% and 93.42% were positive for H5 N1 serotype in the broilers, broiler breeder and point of lay pullets respectively. The clinical and public health implications of the presence of antibodies to these influenza A virus serotypes in chicken flocks are discussed. Trop. Vet. Vol. 20(3) 2002: 159-161
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