Analysis of Amino Acid Changes in the Fusion Protein of Virulent Newcastle Disease Virus from Vaccinated Poultry in Nigerian Isolates

Figure 1

Plate i: cross-section of dissection of a layer; Plate ii-iii: haemorrhagic caeca tonsils (Peyer’s patches); Plate iv: ecchymotic haemorrhage on the proventriculus; Plate v: haemorrhagic enteritis; Plate vi: congested and enlarged liver; Plate vii: haemorrhagic intestinal tract: Plate viii: haemorrhages on the trachea; Plate ix: inflamed and haemorrhagic proventriculus; Plate x: inflamed spleen.