Abstract
Association between the Presence of Intrauterine Escherichia Coli Virulence Genes and Subsequent Reproductive Tract Disease in Postpartum Dairy Cows
Highlights
Purulent vaginal discharge (PVD) and endometritis (ENDO) are reproductive tract diseases diagnosed in postpartum dairy cows and are associated with a detrimental impact on subsequent reproductive performance [1,2,3]
The objective of this study was to evaluate the association between the presence of intrauterine E. coli, and E. coli virulence factor (VF) genes after parturition and subsequent reproductive tract disease (PVD, ENDO, or both) in postpartum dairy cows
As the presence of postpartum intrauterine E. coli was inconsistently associated with reproductive tract diseases in dairy cows [13,14,11], the objective of the present study was to assess the association of reproductive tract diseases such as PVD and ENDO with the presence of intrauterine bacteria during the first week postpartum of dairy cows, and the presence of E. coli VF genes
Summary
Purulent vaginal discharge (PVD) and endometritis (ENDO) are reproductive tract diseases diagnosed in postpartum dairy cows and are associated with a detrimental impact on subsequent reproductive performance [1,2,3]. Risk factors for PVD and ENDO are dystocia, retained placenta, postpartum metritis, as well as negative energy balance [4,8,9], suggesting that both the immunity of the cow and the presence of intrauterine bacteria shortly after parturition play a role in the later development of these reproductive diseases. Intrauterine bacteria such as Copyright © All rights are reserved by Jocelyn Dubuc.
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