Risk factors for calving assistance and dystocia in pasture-based Holstein-Friesian heifers and cows in Ireland.

@article{Mee2011RiskFF,
  title={Risk factors for calving assistance and dystocia in pasture-based Holstein-Friesian heifers and cows in Ireland.},
  author={J F Mee and Donagh P Berry and Andrew R Cromie},
  journal={Veterinary journal},
  year={2011},
  volume={187 2},
  pages={189-94}
}
The incidence of and risk factors associated with calving assistance and dystocia in pasture-based dairy herds were determined from analysis of 152,641 records of full-term calvings from Holstein-Friesian dams served by artificial insemination (AI) sires of seven breeds in herds of 20 calvings or more per year over 4 years. The overall incidence of calving assistance and dystocia was 31.1% and 6.8%, respectively. The incidence in primiparae and pluriparae was 40.0% and 28.2% for assistance, and… CONTINUE READING

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