Purulent vaginal discharge diagnosed in pasture-based Holstein-Friesian cows at 21 days postpartum is influenced by previous lactation milk yield and results in diminished fertility.

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作者： Nicholas J,Ryan ^[1] ; Kieran G,Meade ^[2] ; Erin J,Williams ^[3] ; Cliona,O'Farrelly ^[4] ; Jim,Grant ^[5] ; Alexander C O,Evans ^[6] ; Marijke E,Beltman ^[7]

作者单位： School of Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland D04 W6F6; Teagasc, Animal and Grassland Research Centre, Grange, Dunsany, Co. Meath, Ireland D04 W6F6. ^[1] Teagasc, Animal and Grassland Research Centre, Grange, Dunsany, Co. Meath, Ireland D04 W6F6. ^[2] The Royal (Dick) School of Veterinary Studies and Roslin Institute, University of Edinburgh, Roslin, Midlothian, United Kingdom EH25 9RG. ^[3] School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland D02 R590. ^[4] Statistics and Applied Physics Department, Teagasc Research Operations Group, Dublin, Ireland D15 DY05. ^[5] School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland D04 V1W8. ^[6] School of Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland D04 W6F6. Electronic address: marijke.beltman@ucd.ie. ^[7]

关键词 fertility milk yield pasture-based cows purulent vaginal discharge vaginal mucus score