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Veterinary information to support practice, based on evidence and continuing education

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In the Velikoturnovo region of Bulgaria, 4.24% of 41 482 pregnant cows and 1% of 12 769 pregnant heifers aborted on 45 farms during three years. Bacteriological, mycological and serological examination of 394 aborted fetuses and 583 blood samples yielded Campylobacter fetus in 21%, Leptospira...

Radoslavov, V.; Pushkarov, S.
Veterinarna Sbirka, 1985, 83, 5, pp 10-12