Because quality directly affects both price and consumption, one of the basic problems facing the butter industry in South Dakota is quality improvement. Under the price support program certain minimum quality standards have to be complied with before surplus butter can be sold to the government. One-fourth of the butter produced in South Dakota does not meet this minimum quality requirement, assuming that conditions have not changed since 1951-1952. Farm separated cream constituted 70.6 percent of the butterfat marketed in South Dakota in 1955. Cream is an important source of farm revenue in South Dakota because it yields a year around income. On a high proportion of the farms in South Dakota, dairying is only a sideline enterprise, and be...