latent q fever in cattle in southern moravia (czech republic).in 1991-92, a complement fixation test technique (titre > or = 8) was used in serological assays of antibodies to coxiella burnetti performed in cattle in southern moravia. antibodies were ascertained in 6.1% to 213 aborting cows. the cows with a positive finding after abortion came from 13 different farms. on two of the farms (h. v. and p.), all the cattle were tested. on the h. v. farm, antibodies were ascertained in 4.2% of 120 cows, in 1 of 36 calves and in none of 93 heifers. on the p. farm ...19947697029
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