Table 4 Clinical signs and gross lesions of SPF chickens and geese infected with different NDV strains
Strains | Clinical signs first evident | No. leisions/total | Mortalitye | Main clinical signs | Salient gross lesions |
|---|---|---|---|---|---|
| Â | Â | Â | Â | SPF chickens | Â |
Herts/33 | 2 dpi | 12/12 | 8/8 | severe depression, lethargy, ruffled feathers, eyelid edema, diarrhea, open-mouth breathing | Spleen, Atr; Intestene, Hem; Proventriculus, Hem; Pancreas, Nec; Thymus, Hem; Larynx and trachea, Hem; |
ZJ1 | 2 dpi | 12/12 | 8/8 | severe depression, lethargy, ruffled feathers, eyelid edema, diarrhea, open-mouth breathing | Spleen, Nec; Intestene, Hem + Nec; Proventriculus, Hem; Pancreas, Nec; Thymus, Hem; Larynx and trachea, Hem; |
JS-5-05-Go | 2 dpi | 12/12 | 8/8 | ||
XJ-2/97 | 2 dpi | 12/12 | 8/8 | ||
JS-3-05-Ch | 2 dpi | 12/12 | 8/8 | ||
| Â | Â | Â | Â | Geese | Â |
Herts/33 | 4 dpi | 12/12 | 4/8 | morderate depression, diarrhea, crouch, nasal discharge, eyelid edema | Spleen, Atr; Intestene, Hem, Proventriculus, Ed + Hem; Pancreas, Nec;Thymus, Hem; Larynx and trachea, Hem; |
ZJ1 | 3 dpi | 12/12 | 5/8 | morderate to severe depression, diarrhea, crouch, nasal discharge, eyelid edema | Spleen, Nec; Intestene, Hem + Nec; Proventriculus, Ed + Hem; Pancreas, Nec; Thymus, Hem; Larynx and trachea, Hem; |
JS-5-05-Go | 3 dpi | 12/12 | 6/8 | ||
XJ-2/97 | 3 dpi | 12/12 | 5/8 | ||
JS-3-05-Ch | 3 dpi | 12/12 | 6/8 | Â | Â |