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Evaluation of prevalence and seasonality of Newcastle disease in chicken in Kaduna, Nigeria

Published online by Cambridge University Press:  05 September 2008

J.A. NWANTA*
Affiliation:
Department of Veterinary Public Health and Preventive Medicine, University of Nigeria, Nsukka, Nigeria
S.C. EGEGE
Affiliation:
Department of Veterinary Public Health and Preventive Medicine, Ahmadu Bello University, Zaria, Nigeria
J.K. ALLI-BALOGUN
Affiliation:
College of Agriculture And Animal Science, Ahmadu Bello University, Mando, Kaduna, Nigeria
W.S EZEMA
Affiliation:
Department of Veterinary Pathology and Microbiology, University of Nigeria, Nsukka, Enugu State, Nigeria
*
Corresponding author: [email protected]
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Abstract

Newcastle disease is a major constraint to poultry production in Africa, in both commercial and village rearing systems. A ten-year review (January, 1996-December, 2005) of case reports in respect of Newcastle and other poultry diseases diagnosed at the veterinary clinics in Kaduna, Nigeria was conducted. A total of 3164 outbreaks were documented with 1050 outbreaks diagnosed as ND. There were significant (P>0.05) associations in the distribution of Newcastle disease and age, breed, season, type of bird and management system of poultry in Kaduna. ND outbreaks were most prevalent during the dry season (December – March). Poultry kept in confined conditions, broilers, pullets, layers and birds between 3-4 weeks and 13-15 weeks of age were at greatest risk of suffering from ND outbreaks. Single vaccination had a significant effect (P<0.05) on reducing incidence of disease compared to birds that were not vaccinated or had multiple ND vaccinations. These findings have an impact on the correct approach to immunization practices using to control disease under African conditions.

Type
Small-Scale Family Poultry Production
Copyright
Copyright © World's Poultry Science Association 2008

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