TY - RPRT TI - Research note: differences in major histocompatibility complex gene frequencies associated with feed efficiency and laying performance. AU - S J Lamont AU - Y H Hou AU - B M Young AU - A W Nordskog PY - 1987 DO - 10.3382/ps.0661064 UR - https://pubmed.ncbi.nlm.nih.gov/3658883/ ID - 3658883 ER -