The effect of subclinical ketosis on activity at estrus and reproductive performance in dairy cattle.

@article{Rutherford2016TheEO,
  title={The effect of subclinical ketosis on activity at estrus and reproductive performance in dairy cattle.},
  author={A. R. Rutherford and Georgios Oikonomou and Robert Frank Smith},
  journal={Journal of dairy science},
  year={2016},
  volume={99 6},
  pages={
          4808-4815
        }
}
Our aims were to investigate the influence of subclinical ketosis (SCK) on physical activity at estrus using a neck accelerometer device and on future reproductive performance. Two hundred three Holstein-Friesian cows were studied on 3dairy farms in Northwest England between September 2013 and March 2014. Seventeen percent (35 of 203) of the enrolled cows were affected with SCK between 7 and 21d in milk, defined as a blood β-hydroxybutyrate concentration of 1.2 to 2.9mmol/L. Time to event… CONTINUE READING
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