The response of ducks to V۴ Newcastle disease virus and its transmission to contact ducks and domestic chickens

سال انتشار: 1393
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 21

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شناسه ملی سند علمی:

JR_VRFAN-5-2_011

تاریخ نمایه سازی: 25 آبان 1402

چکیده مقاله:

Experimental infection of Muscovy ducks with V۴ strain of Newcastle disease virus was undertaken to determine the response of the ducks to the virus and the possibility of virus transmission to ducks and chickens in village like conditions. Twelve ducks were randomly and equally divided into three groups of control, inoculated and in-contact. Additionally, the chickens were placed into two groups of four animals each, namely in-contact and control. The inoculated and in-contact ducks and in-contact chickens were kept together. The eye drop route was used for inoculation and hemagglutination inhibition (HI) antibodies were measured for assessment of antibody response and cloacal and pharyngeal swabs were used for detection of the virus. The primary antibody response of inoculated ducks was very high and rapid (geometric mean titers [Log base ۲] of up to ۵.۷۵ ± ۰.۵۰). The in-contact ducks showed antibody response with the same pattern but lower titers than the inoculated ducks (geometric mean titers [Log base ۲] of up to ۳.۲۵ ± ۱.۷۰). The in-contact chickens showed a slight increase of HI antibody (geometric mean titers [Log base ۲] of up to ۲.۲۵ ± ۱.۲۵) while the control chickens did not show any increase. The antibody response indicated the transmission of the virus to contact ducks and chickens. A single isolation of virus confirmed the ability of ducks to excrete the virus. It was concluded that the V۴ strain of Newcastle disease virus was highly antigenic for ducks, and ducks can transmit it to other ducks and also in-contact chickens.

کلیدواژه ها:

Domestic chicken ، Duck ، Newcastle disease virus strain V۴ ، Transmission

نویسندگان

Majid Bouzari

Department of Biology, Faculty of Sciences, University of Isfahan, Isfahan, Iran

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