Research Article
Isolation of Infectious Bursal Disease Virus Using Indigenous Chicken Embryos in Kenya
Table 2
A summary of the lesions observed on inoculated embryos at different passages.
| | Lesion | Primary | Passage 1 | Passage 2 | Passage 3 |
| | Dwarfed embryo | 112/132 (85%) | 103/132 (78%) | 106/132 (80%) | 100/132 (76%) | | Dead embryo | 116/132 (88%) | 124/132 (94%) | 120/132 (91%) | 88/132 (67%) | | Congested embryo | 45/132 (34%) | 29/132 (22%) | 20/132 (15%) | 25/132 (19.0%) | | Oedematous embryo | 57/132 (43%) | 77/132 (58%) | 73/132 (55.0%) | 75/132 (57%) | | Haemorrhagic embryo | 40/132 (30%) | 53/132 (40%) | 61/132 (46%) | 63/132 (48%) | | Enlarged mottled liver | 26/132 (20%) | 25/132 (19%) | 18/132 (14%) | 13/132 (10%) | | Enlarged kidneys | 4/132 (3%) | 0% | 0% | 0% | | Congested CAM | 40/132 (30%) | 36/132 (27%) | 37/132 (28%) | 32/132 (24%) | | Haemorrhagic CAM | 9/132 (7%) | 15/132 (11%) | 1/132 (1%) | 13/132 (10%) | | Oedematous CAM | 71/132 (54%) | 83/132 (63%) | 87/132 (66%) | 100/132 (76%) |
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