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[listeria abortions in cattle--bacteriology, serology and epizootiology].listeria abortions were established in foetuses of cattle in 1.2% of the cases investigated in the erfurt region and 1.8% in the cottbus region from 1984 to 1989. the isolated strains have been found biochemically to be l. monocytogenes. the serological discrimination revealed a majority of serovar o i, ii. typing by phages of a part of isolated strains showed a clear predominance of code number 000 124 by the 1/2 a isolate (corresponds to o i, ii). this type of phages seems to have a epizootiol ...19911953632
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