In the United States the policy of attempting to eradicate important livestock diseases has been adopted. The over-all philosophy has been, whenever possible, to live without rather than with many of the diseases which affect domestic animals and especially those transmissible to man. The policy has been economically sound. As a portion of the program, brucellosis of cattle and other domestic animals has received wide attention during the past fifty years. The Committee on Public Health Aspects of Brucellosis was appointed to review the pertinent information about brucellosis and to formulate the report which follows:
From available figures provided by cooperative federal-state records of the control and eradication of bovine brucellosis, approximately 5 per cent of the adult female cattle in the United States are affected with brucellosis. Therefore, at least 1,300,000 dairy and 800,000 beef cows are involved. These 2,100,000 infected cattle are confined to about 20 per cent