TY - RPRT TI - Genetic parameters for first milk production and composition traits for Holsteins using multivariate restricted maximum likelihood. AU - V P Chauhan AU - J F Hayes PY - 1991 DO - 10.3168/jds.s0022-0302(91)78207-6 UR - https://pubmed.ncbi.nlm.nih.gov/2045566/ ID - 2045566 ER -