Understanding Newcastle Disease
By Dr Ann Wachira Newcastle disease (ND) affects birds globally, and chicken are particularly vulnerable. It is caused by a virus called avian paramyxovirus serotype type 1 (APMV-1). There are five types of APMV-1 strains, which are categorized based on their strength in chicken: a) strong and affecting organs (viscerotropic velogenic), b) strong and affecting […]
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