Study of vertical transmission of bovine viral enzootic leucosis
1989
Ivacic, Z. (Ujedinjena poljoprivreda, promet i industrija "UPI", Sarajevo (Yugoslavia)) | Nevjestic, A. (Veterinarski fakultet, Sarajevo (Yugoslavia))
On farms on which leukosis was diagnosed, vertical transmission of enzootic bovine leukosis (EBL) virus was confirmed. The number of vertically infected breeding cows on farms ranged from 5 (4.73%) to 20 (8.62%) in relation to the total number of leukotic animals on each individual farm. The vertical transmission of the infection is not a dominant way of EBL spreading since vertical infection was confirmed in only 45 cows (6.28%) out of the total of 716 leukotic animals. This proves the fact that horizontal transmission is predominant in leukotic cattle.
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