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Fig. 2 | BMC Veterinary Research

Fig. 2

From: Interaction between avian influenza subtype H9N2 and Newcastle disease virus vaccine strain (LaSota) in chickens

Fig. 2

a Trachea of birds in G1 showed severe degeneration of the tracheal mucous glands (arrow) with marked leukocytic infiltration. H&E, X 200; b Trachea of in G2 showed epithelial and glandular degeneration (arrow) and lower sub-epithelial leukocytic infiltration (arrowhead), H&E, X 200; c trachea of non-infected non-vaccinated chicken G6 showed normal epithelial lining (arrowhead) contained blood vessels (arrow), H&E, X 200

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BMC Veterinary Research

ISSN: 1746-6148

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