Table 1. Breeds and numbers of examined animals reared under commercial and production systems in Gharbia governorate, Egypt, for serological investigation of BoHV-1.
| Farm | Animal breeds | No. of examined animals | No. of positive BoHV-1 (%) |
|---|---|---|---|
| Commercial production system | |||
| I | Holstein cattle | 35 | 5 (14.28%) |
| II | Holstein cattle | 90 | 28 (31.1%) |
| III | Italian buffalo | 40 | 14 (35%) |
| IV | Holstein cattle | 70 | 3 (4.28%) |
| V | Holstein cattle | 22 | 4 (18.2%) |
| VI | Holstein cross | 61 | 13 (21.31%) |
| Total | 318 | 67 (21.06%) | |
| Traditional production system* | |||
| Native cattle | 82 | 23 (28.04%) | |
| Total | 400 | 90 (22.5%) | |
*A total of 12 farms that have the same animal breed, housing, and management conditions.