Influence of milk yield, stage of lactation, and body condition on dairy cattle lying behaviour measured using an automated activity monitoring sensor

@article{Bewley2009InfluenceOM,
  title={Influence of milk yield, stage of lactation, and body condition on dairy cattle lying behaviour measured using an automated activity monitoring sensor},
  author={Jeffrey M. Bewley and R. E. Boyce and J. R. A. Hockin and Lene Munksgaard and Susan Eicher and M. E. Einstein and Michael Schutz},
  journal={Journal of Dairy Research},
  year={2009},
  volume={77},
  pages={1 - 6}
}
Time spent lying by lactating Holstein-Friesian cows of varying body condition scores (BCS) and milk yield was measured using an animal activity monitor. A 3-week average BCS was calculated for each cow; and in total, 84 cows were selected with 28 cows each among three BCS categories (Thin: BCS<2·75; Moderate: 2·75⩾BCS<3·25; Heavy: BCS⩾3·25) and two stage of lactation categories (<150 days in milk or >150 days in milk). Cows were kept in two management systems: parlour/freestall (n=60) or… 

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