@misc{indiciae15a182145050,
  title = {Changes in USDA sire summary procedures.},
  author = {R D Plowman and B T McDaniel},
  year = {1968},
  doi = {10.3168/jds.s0022-0302(68)86978-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/5689069/},
  note = {Source identifier: 5689069}
}