Prevalence of postservice pyometra in a herd of beef cows infected with trichomoniasis: A case report
1986
Abstract Trichomoniasis was detected in a herd of beef cows during a routine yearly reproductive examination. The examination revealed that 12.6% of the cows ( 75 597 ) were not pregnant. Of these, 65.3% ( 49 75 ) had a normal uterus and a functional corpus luteum, suggesting that they were cyclic; 21.3% ( 16 75 ) had pyometra; 6.7% had inactive ovaries and uterine atrophy and were not cyclic; 4% ( 3 75 ) had an involuting uterus, suggestive of a recent abortion; and 2.7% ( 2 75 ) had a mummified fetus. The herd had been on a reproductive herd health program for the past 10 years and had averaged 92–99% pregnant cows during this time. Pyometra was diagnosed by rectal palpation, and trichomonads were detected in the pyometra exudate.
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