Identifying efficient dairy heifer producers using production costs and data envelopment analysis.

@article{Heinrichs2013IdentifyingED,
  title={Identifying efficient dairy heifer producers using production costs and data envelopment analysis.},
  author={Arlyn J. Heinrichs and Christopher Michael Jones and Susan M. Gray and Pamela A. Heinrichs and Simone Cornelisse and R. C. Goodling},
  journal={Journal of dairy science},
  year={2013},
  volume={96 11},
  pages={7355-62}
}
During November and December 2011, data were collected from 44 dairy operations in 13 Pennsylvania counties. Researchers visited each farm to collect information regarding management practices and feeding, and costs for labor, health, bedding, and reproduction for replacement heifers from birth until first calving. Costs per heifer were broken up into 4 time periods: birth until weaning, weaning until 6 mo of age, 6 mo of age until breeding age, and heifers from breeding to calving. Milk… CONTINUE READING