Article
Protective efficacy of the Newcastle disease virus genotype VII-matched vaccine in commercial layers.
Poultry science - 1 Mar 2020
Sultan Hesham A, Talaat Shaimaa, Elfeil Wael K, Selim Karim, Kutkat Mohamed A, Amer Sameh A, Choi Kang-Seuk
Abstract excerpt
Newcastle disease virus (NDV) is a major threat to the poultry industry worldwide, with a diversity of genotypes associated with severe economic losses in all poultry sectors. Class II genotype VII NDV are predominant in the Middle East and Asia, despite intensive vaccination programs using conventional live and inactivated NDV vaccines. In Egypt, the disease is continuously spreading, causing severe economical...
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