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Changing Techniques for Platform Grading of Milk¹

Clemson Agricultural College, Clemson, South Carolina

ABSTRACT

The biggest change in dairy farming in the last 10 yr has been in the methods of handling milk. To lift heavy cans of milk in the past, dairymen used hydraulic lifts and side-opening coolers. But even so, handling the milk from a 40-cow herd meant lifting about a ton—several times—before the milk reached the plant.

The average man formerly could manually milk and manage about 25 cows, but now he can handle 40 cows just as easily. This has brought many changes in operation. Platform grading has moved from the close supervision of the plant to the loose supervision of a fieldman. Milk is older when it is picked up and purchased at the farm. The training of weighers and samplers has presented changes; some states first issued permits, others licenses, and some required a bond.

In South Carolina, five large plants were converted to all bulk handling of milk 6 yr or more ago.

¹ Prepared for presentation at the 57th Annual Meeting of the American Dairy Science Association, University of Maryland, College Park, Maryland, June 18–21, 1962.