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Type of publication: Journal Article
Type of document: Full Paper

Year: 2015

Authors: Pothmann, H; Prunner, I; Wagener, K; Jaureguiberry, M; de la Sota, RL; Erber, R; Aurich, C; Ehling-Schulz, M; Drillich, M

Title: The prevalence of subclinical endometritis and intrauterine infections in repeat breeder cows.

Source: Theriogenology. 2015; 83(8):1249-1253

Authors Vetmeduni Vienna:

Aurich Christine
Drillich Marc
Ehling-Schulz Monika
Erber Regina
Pothmann Harald
Prunner Isabella
Wagener Karen

Vetmed Research Units
University Clinic for Ruminants, Clinical Unit of Herd Management in ruminants
Institute of Microbiology, Functional Microbiology Division
Insemination and Embryotransfer Platform

The objectives of this study were to assess the prevalence of subclinical endometritis and the presence of common uterine pathogens in repeat breeder cows. A total of 121 cows with three or more consecutive artificial inseminations without conception and no clinical signs of disease were defined as repeat breeder cows and were enrolled in this trial. Intrauterine samples were collected with the cytobrush technique to determine the prevalence of subclinical endometritis and bacteriologic infections. Blood samples were analyzed for concentrations of progesterone and estradiol in plasma to assess ovarian activity. Furthermore, breed, parity, history of calving and postpartum uterine infection, clinical findings of transrectal palpation, and backfat thickness were analyzed as potential factors for the prevalence of subclinical endometritis in repeat breeder cows. The prevalence of subclinical endometritis in repeat breeder cows was 12.7%; but common uterine pathogens, Escherichia coli and Trueperella pyogenes, were found in only one and three cows, respectively. Ovarian activity was determined in 95.0% of all cows. Recorded variables had no effect on the prevalence of subclinical endometritis in repeat breeder cows. In conclusion, subclinical endometritis and uterine infections linked to common pathogens were playing a minor role as a cause for repeat breeder cows in this study. Alternative reasons for failure to conceive in these cows are discussed.

Keywords Pubmed: Actinobacteria/isolation & purification
Asymptomatic Infections/epidemiology
Bacterial Infections/epidemiology
Bacterial Infections/veterinary*
Cattle Diseases/epidemiology*
Firmicutes/isolation & purification
Insemination, Artificial/veterinary
Proteobacteria/isolation & purification
Puerperal Disorders/microbiology
Puerperal Disorders/veterinary
Uterine Diseases/epidemiology
Uterine Diseases/microbiology
Uterine Diseases/veterinary*

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