Indicators of resilience during the transition period in dairy cows: A case study

Journal of Dairy Science
I D E van DixhoornC G van Reenen

Abstract

The transition period is a demanding phase in the life of dairy cows. Metabolic and infectious disorders frequently occur in the first weeks after calving. To identify cows that are less able to cope with the transition period, physiologic or behavioral signals acquired with sensors might be useful. However, it is not yet clear which signals or combination of signals and which signal properties are most informative with respect to disease severity after calving. Sensor data on activity and behavior measurements as well as rumen and ear temperature data from 22 dairy cows were collected during a period starting 2 wk before expected parturition until 6 wk after parturition. During this period, the health status of each cow was clinically scored daily. A total deficit score (TDS) was calculated based on the clinical assessment, summarizing disease length and intensity for each cow. Different sensor data properties recorded during the period before calving as well as the period after calving were tested as a predictor for TDS using univariate analysis of covariance. To select the model with the best combination of signals and signal properties, we quantified the prediction accuracy for TDS in a multivariate model. Prediction accura...Continue Reading

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Citations

Sep 13, 2019·Reproduction in Domestic Animals = Zuchthygiene·Caroline RitterMarina A G von Keyserlingk
Jul 17, 2020·Frontiers in Veterinary Science·Lisette E van der ZandeEgbert F Knol
Dec 14, 2021·Frontiers in Veterinary Science·Dengsheng SunKees van Reenen

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