Awareness and mitigation measures on highly pathogenic avian influenza in pastoral poultry flocks of North-central Nigeria: any challenging gap?

Village poultry closely interact with wild birds and other livestock in extensively managed poultry flocks, a practice common in pastoral communities of Nigeria. This practice provides sustained dissemination of avian viruses, such as highly pathogenic avian influenza (HPAI) H5N1 virus. The objectives of this study were to assess their knowledge/awareness, risks identification and biosecurity measures on HPAI H5N1 in pastoral poultry flocks. A questionnaire-based cross-sectional survey was conducted in systematically selected pastoral households of North-central Nigeria between May 2015 and June 2016. A total of 422 pastoralists participated in the study. Mean age of the respondents was 54.7 +/- 11.4SD years and 36.0% of them were in age group 50-59years. The majority (81.3%) of respondents were of the Fulani tribe. Also, 64.9% of the respondents had no formal education and only 6.9% had tertiary education. About 30.8% of the nomadic and 81.0% of sedentary pastoralists significantly mentioned avian influenza to be a zoonotic disease. Very few nomadic (10.9%) and sedentary (26.1%) pastoralists significantly reported restriction of birds' movement to nearby water bodies as biosecurity measure. Only 7.6% of the nomadic and 16.1% of sedentary pastoralists practiced keeping of birds according to species. Sedentary pastoralists were more likely to have significant knowledge about HPAI H5N1 than the nomadic (OR: 1.76; 94% CI: 1.19-2.61). Female pastoralists were more likely to practice significant biosecurity measures against HPAI H5N1 than the males (OR: 1.99; 95% CI: 1.28-3.09). The majority of pastoralists neither possessed adequate knowledge about avian influenza nor applied adequate biosecurity measures against it, which are the most challenging gaps. Education of pastoralists on HPAI virus infection, specifically on information about clinical signs of avian influenza in birds, transmission dynamics among different species of birds, flyways of migrating wild birds and adequate mitigation measures are recommended.