Association between serum calcium levels and the presentation of postpartum endometritis in housed dairy cows

Sandoval, Miguel; Arévalo, I.K.C.; Carcelen, F.; Pizarro, J.L.; Sandoval-Monzón, Rocío

doi:10.1016/j.rvsc.2022.01.015

Cited by 1 publication

(1 citation statement)

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“…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.…”

Section: Introductionmentioning

confidence: 99%

Risk factors for ultrasound‐diagnosed endometritis and its impact on fertility in Scottish dairy cattle herds

McKay,

Viora,

Denholm

et al. 2023

Veterinary Record

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Background The aim of this study was to investigate the risk factors for and the impact of ultrasound‐diagnosed endometritis (UDE) on lactating dairy cows’ reproductive performance. Methods Data were analysed from 1123 Holstein and Holstein‐Friesian cows from two Scottish dairy farms. A reproductive ultrasound examination was conducted on two occasions, at 43 ± 3 and 50 ± 3 days in milk (DIM), to screen for hyperechoic fluid in the uterus. Statistical analyses were performed using multivariable logistic regression modelling and Cox proportional hazards models. Results The overall incidence of UDE was 8.8% (99/1123). Risk factors for UDE included calving during autumn/winter seasons, increased parity and the presence of two or more diseases in the first 50 ± 3 days postpartum. The presence of UDE was associated with a reduced odds of pregnancy after all artificial inseminations up to 150 DIM. Limitations The retrospective design of this study led to some inherent limitations with the quality and quantity of data collected. Conclusions The findings of this study indicate which risk factors should be monitored in postpartum dairy cows to limit the impact of UDE on future reproductive performance.

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