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. 2019 Jan;12(1):112-118.
doi: 10.14202/vetworld.2019.112-118. Epub 2019 Jan 21.

Awareness and antibody detection of Newcastle disease virus in a neglected society in Nigeria

Oluwafemi Babatunde Daodu  1 , Julius Olaniyi Aiyedun  2 , Rafiu Adebisi Kadir  3 , Hauwa Motunrayo Ambali  3 , Oladapo Oyedeji Oludairo  2 , Isaac Dayo Olorunshola  1 , Oluwakemi Christiana Daodu  4 , Saka Saheed Baba  1
Affiliations

Awareness and antibody detection of Newcastle disease virus in a neglected society in Nigeria

Oluwafemi Babatunde Daodu et al. Vet World. 2019 Jan.

Abstract

Aims: This study aimed to assess the level of awareness of rural poultry farmers on vaccination and to detect Newcastle disease virus (NDV) antibody in local birds (LB) and eggs in Kwara State, Nigeria.

Materials and methods: Data on farmers' attitude, knowledge, practices, and experiences on ND mortality were obtained through an interview using a structured cross-sectional checklist. NDV antibodies were detected in sera and egg yolks of local chickens (LC) and guinea fowls (GF) using hemagglutination inhibition test.

Results: A total of 83 interviewees, 287 sera and 121 egg yolk extracts, were examined. The study revealed that 98.8% (82/83) of the interviewee had never vaccinated their flock before. 90% of the interviewee had reported high mortality in birds within 1-6 months old, while the major clinical signs were cold (40.4%) and torticollis (30.8%). Evidences of LB exposure to wild-type NDV were confirmed by the detection of NDV antibodies in 20.8% and 0% of LC and GF, respectively. The mortality differences experiencedin <1 and 1-6 months old LB could be explained by the presence of maternally-derived NDV antibody (49.6%) in egg yolk.

Conclusion: The study showed that LB suffers from NDV as a result of LB keepers' ignorance and neglect by the government. This has limited local investment and subsequent contribution to gross domestic product. This study suggests that the key factors to the prevention of ND remain awareness creation about poultry vaccination, production of affordable vaccines, and availability/accessibility to veterinarian (or trained personnel).

Keywords: Newcastle disease; antibody detection; awareness; local birds; neglected communities; vaccination.

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Figures

Figure-1
Figure-1
Percentage of clinical sign(s) shown before death. Percentage was calculated based on the number of interviewee who had experienced mortality.
Figure-2
Figure-2
Percentage of age (month) of the chicken(s) at the point of death. Percentage was calculated based on the number of interviewee who had experienced mortality.
Figure-3
Figure-3
Factor(s) that support the feasibility of vaccination against Newcastle disease virus at least every 6 months.
Figure-4
Figure-4
Newcastle disease virus hemagglutination inhibition titer of chloroform extracted egg yolk of local chickens.
See this image and copyright information in PMC

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