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Abstract
Neutralizing bovine ephemeral fever antibodies with titers ranged
from 2-8 were detected in 56.25%, 68.75%, 70.57%, 93.33%,
88.880/0, 64.700/0 and 83.33% in cattle serum obtained from AI-
Ibrahimia, Diarb Negm, Menia Elkamh, Kafer Saker, Fakous,
Belbies and the Vet. Clinic, Faculty of Veterinary Medicine,
Zagazig University, respectively with at a total of 75.21 % while
neutralizing BEF antibodies in buffaloes sera obtained from
different localities of Sharkia governorate were 33.33%, 100%,
1090/0, 100%, 50%, 80% and 100% in Ibrahimia, Diarb Negm,
Menia Elkamh, Kafer Saker, Fakous, Belbies and the Vet. Clinic,
Faculty of Veterinary Medicine, Zagazig University, respectively
with a total percent of 76.66%.
2. BEF neutralizing antibodies were detected in 81.25% in male
cattle and 67.92% in female cattle, 90.47% in male buffaloes and
44.440/0 in female buffaloes.
Regarding animal age BEF antibodies were detected in 86.95% in
young cattle .and 58.33% in old cattle and 83.330/0 in young
buffaloes and 72.22% in old buffaloes.
4. Vaccination of, pregnant dams (cattle and buffaloes) with in
activated BEF vaccine was safe (didn’t induce abortion or any
clinical abnormalities) inducing good levels antibodies which
were able to transmit to their off spring through the. colostrum.