Studies of the secretion of milk of low fat content by cows on diets low in hay and high in concentrates VII The effect of administration of volatile fatty acids to cows giving normal milk and milk of low fat content Balch, C.C.; Rowland, S.J. Journal of Dairy Research 26(2): 162 1959 0022-0299 10.1017/s0022029900009857 https://eurekamag.com/research/025/548/025548746.php