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Fig. 4 | BMC Veterinary Research

Fig. 4

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

Fig. 4

a Bursa of birds in G1 revealed lymphoid depletion (arrow) with large mucin filled cysts within some of follicle (c). H&E, X 100; b bursa of birds in G4 showed lymphoid depletion with appearance of reticular fibers in the medulla of lymphoid follicle (arrow), and with marked increase in thickness of interfollicular connective tissue (arrowhead). H&E, X 200; c bursa of Fabricius of birds in G6 showed normal bursal lymphoid follicles. H&E, X200

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BMC Veterinary Research

ISSN: 1746-6148

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