TY - JOUR AN - 014045840 AU - Mcgillivray,W.A. PY - 1957 TI - Factors influencing the vitamin content of milk fat. 3. Seasonal changes in the vitamin A and carotenoid content of the blood plasma and milk fat of cows on pasture JO - J. Dairy Res VL - 24 SP - 95 EP - 101 UR - https://eurekamag.com/research/014/045/014045840.php ER -