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Evaluation of NDV4 thermo stable feed-based vaccination effects on rural chicken productivity in Adamawa State, Nigeria

Evaluation of NDV4 thermo stable feed-based vaccination effects on rural chicken productivity in Adamawa State, Nigeria

Wesley D. Nafarnda, Japhet H. Baraya, Olatunde H. Olabode, Malang K. Simon

ABSTRACT

Background: Newcastle disease (ND) has been documented as one of the major viral diseases that
hampers poultry productivity. Oral Newcastle Disease (ND) vaccination has been documented as a
method for control of the disease with varied effects in scavenging rural poultry especially in Nigeria.
Aim: This cross sectional study was conducted to establish the impact of V4 thermostable ND
vaccination on rural poultry productivity using corn bran (dusa) as alternative vaccine carrier in five
Local Government Areas (LGA) in Adamawa state, Nigeria.
Method: Structured questionnaire on general knowledge, practice and productivity indicators was
administered thrice to participating household poultry farmers alongside administration of feed based
V4 thermostable ND vaccination in chickens. Sera obtained from forty (40) chickens per LGA during
pre-vaccination, post-vaccination and post-booster vaccination with NDV4 thermostable vaccine were
subjected to Hemagglutination Inhibition (HI) test.
Result: Antibody detection showed seroconversion in chickens 28day post vaccination and post
booster vaccination with significant (P<0.05) antibody titer increase from 1:16 - 1:1024 and mean
GMT 2.87 - 5.09 amongst 61.5 - 87.0% tested chickens. Questionnaire further showed V4
thermostable ND vaccination had significant effect on morbidity, mortality, hatchability, culling and
ultimately the flock productivity.
Conclusion: Corn-bran feed based vaccination demonstrated effective delivery and suitability of V4
thermostable ND vaccine use in scavenging village chickens in Adamawa State, Nigeria.
 

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Journal of Virological Sciences

July

Vol. 8, Pages 1-27

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