Phylogenetic characterization of velogenic Newcastle disease viruses isolated from field outbreaks among vaccinated broiler chickens in Upper Egypt
By: Sultan, Siraj al-Din Ahmad; Uthman, Nabilah; Ahmad, Ahmad Ibrahim…[et al.]. Assiut Veterinary Medical Journal. Vol. 61, no. 145 (Apr. 2015), pp.126-135, 10 p.
Subjects: Chickens; Egypt; Diagnosis; Diseases