The intimate connection between economic difficulty in one field and the welfare of the individual whose immediate interest is perhaps far removed is illustrated in extreme degree by the dairy farmer on the one hand and the consumer of milk on the other. The importance of devising methods to help the producer is matched by the necessity of keeping available the supply of this indispensable food during these times of stress. Both the layman and the physician are vitally interested in the situation as regards the present supply and the consumption of milk in this country. A recent issue of the Consumers' Guide,1 devoted to a survey of the national milk supply, sets forth certain significant facts.
The number of milk cows in this country has increased every year during the depression and in 1933 reached 26,000,000, the greatest in the history of the country. Two things have occurred