D. G. Bwala
Poultry Reference Centre, Faculty of Veterinary Science, University of Pretoria, Bag X04, Onderstepoort 0110, South Africa
F. O. Fasina
National Veterinary Research Institute, P.M.B. 01, Vom 930010, Nigeria
A. Van Wyk
Poultry Reference Centre, Faculty of Veterinary Science, University of Pretoria, Bag X04, Onderstepoort 0110, South Africa
N. M. Duncan
Department of Pathology, Faculty of Veterinary Science, University of Pretoria, Bag X04, Onderstepoort 0110, South Africa
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How to cite this article
D. G. Bwala, F. O. Fasina, A. Van Wyk and N. M. Duncan, 2011. Effects of Vaccination with Lentogenic Vaccine and Challenge with Virulent Newcastle Disease Virus (NDV) on Egg Production in Commercial and SPF Chickens. International Journal of Poultry Science, 10: 98-105.
DOI: 10.3923/ijps.2011.98.105
URL: https://scialert.net/abstract/?doi=ijps.2011.98.105
DOI: 10.3923/ijps.2011.98.105
URL: https://scialert.net/abstract/?doi=ijps.2011.98.105