Vaccination against Newcastle Disease in the Hatcheries

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چکیده

Vaccination has an important role in the prevention of ND even though an ideal vaccination program can not be easily given as it would depend on level of challenge in the field, disease control polices in the country, type of birds (broilers or layers), vaccine strain, size of the flock, past performance of vaccination programs etc. However, the vaccination in the hatcheries has been used throughout the world in broilers, layers and breeders.

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تاریخ انتشار 2007