“…Multiple cow-level risk factors have been recognised, including parity, 15,16 stillbirth, 17 twinning 15 and birth of a male calf. 17 Some of the postpartum diseases identified as contributing to the development of RTD are hypocalcaemia, 18 hyperketonaemia, 19 retained fetal membranes (RFM) 16,17 and metritis. 14,20 The compounding negative impact of developing multiple diseases in the postpartum period has been investigated for outcomes including milk production, 21 probability of pregnancy, 21 ovarian activity 22 and culling risk, 23,24 but not for the risk of developing RTD specifically.…”