Rumination patterns and locomotion activity in a dairy cow diagnosed with left displaced abomasum (LDA): A case report.

Left displaced abomasum is an economically important problem of dairy cattle in early lactation which interferes with feed intakes, digestion and milk production. This study describes the rumination and activity pattern of a cow that developed a left displaced abomasum (LDA). Thirty cows were fitted with SCR HR Tags attached to neck collars which continuously monitored individual cow activity and rumination and reported these for 2-h intervals. Of the 30 cows, one was diagnosed for LDA based on the clinical symptoms. A decreasing trend of weighted rumination change was observed from day -6 to the day of diagnosis in the LDA cow followed by an upward trend during the postoperative period. Early detection of an LDA (if followed by prompt intervention) may result in improvements in animal well-being and recovery speed.

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Dairy Research Foundation Symposium 2014

19

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