RELATED Trails .- WITH HYPERIMMUNE EGG YOLK TO CONTROL LOSSES IN OUTBREAKS OF VERY VIRULENT INFECTIOUS BURSAL DISEASE IN VACCINATED COMMERCIAL LAYER PULLET FLOCKS

Document Type : Original Article

Authors

1 Faculty of veterinary Medicine, Alexandria University.

2 Faculty of veterinary Medicine, Tanta University.

3 MISR Hatchery ; Co., P.O. Box 2399 EI Hourria, Heliopolis, Cairo Egypt

Abstract

fieldtrails to control serious losses from very virulent infectious bursal disease (vvIBD) and imactivated IBDV vaccimes outbreaks in vaccinated layer pullet flocks by parenteral administration of hyperimmune egg yolk preparation were carried out. The results are presented and discussed.

Main Subjects