A novel method of analyzing daily milk production and electrical conductivity to predict disease onset

Journal of Dairy Science
J M LukasC Munoz-Zanzi

Abstract

This study evaluates the changes in milk production (yield; MY) and milk electrical conductivity (MEC) before and after disease diagnosis and proposes a cow health monitoring scheme based on observing individual daily MY and MEC. All reproductive and health events were recorded on occurrence, and MY and MEC were collected at each milking from January 2004 through November 2006 for 587 cows. The first 24 mo (January 2004 until December 2005) were used to investigate the effects of disease on MY and MEC, model MY and MEC of healthy animals, and develop a health monitoring scheme to detect disease based on changes in a cow's MY or MEC. The remaining 11 mo of data (January to November 2006) were used to compare the performance of the health monitoring schemes developed in this study to the disease detection system currently used on the farm. Mixed model was used to examine the effect of diseases on MY and MEC. Days in milk (DIM), DIM x DIM, and ambient temperature were entered as quantitative variables and number of calves, parity, calving difficulty, day relative to breeding, day of somatotropin treatment, and 25 health event categories were entered as categorical variables. Significant changes in MY and MEC were observed as early...Continue Reading

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Citations

Jul 5, 2013·The Journal of Dairy Research·Bettina MiekleyJoachim Krieter
Jul 16, 2013·Journal of Dairy Science·Bettina MiekleyJoachim Krieter
Apr 16, 2014·Journal of Dairy Science·T HuybrechtsW Saeys
Sep 14, 2010·Journal of Animal Breeding and Genetics = Zeitschrift Für Tierzüchtung Und Züchtungsbiologie·J Jamrozik, L R Schaeffer
Mar 7, 2013·Journal of Dairy Science·C J RuttenH Hogeveen
Jan 10, 2012·Journal of Animal Breeding and Genetics = Zeitschrift Für Tierzüchtung Und Züchtungsbiologie·J Jamrozik, L R Schaeffer
Jul 30, 2018·Journal of Dairy Science·M KhatunS C García
Feb 13, 2021·Animals : an Open Access Journal From MDPI·Luciano S Caixeta, Bobwealth O Omontese

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