TY - RPRT TI - Threshold models applied to Holstein conformation traits. AU - J Jamrozik AU - L R Schaeffer AU - E B Burnside AU - B P Sullivan PY - 1991 DO - 10.3168/jds.s0022-0302(91)78505-6 UR - https://pubmed.ncbi.nlm.nih.gov/1779068/ ID - 1779068 ER -