Statistics indicate that four out of ten pigs born alive never go to market. And the six survivors are often marketed at an economic disadvantage because of diseases that retard their growth. Articles such as Has Disease Undermined the Swine Industry? , Are your Pigs worth a Penny? and We Have Too Many Sick Hogs point out how seriously the present swine disease situation is viewed by those close to and interested in the swine industry. As veterinarians or prospective veterinarians, we have a definite interest in good animal health and thus must be concerned about the seriousness of swine diseases. Any and all means of disease control which our profession can apply to relieve the swine industry should be given careful consideration. It ...