leptospirosis

Researchers Study Vaccine For Threatening Cattle Disease
Researchers Study Vaccine For Threatening Cattle Disease
Researchers Study Vaccine For Threatening Cattle Disease
Leptospirosis can be a highly contagious disease in cattle and researchers are testing a vaccine developed years ago to judge its immunity response. David Alt at the USDA's National Animal Disease Center says they hope by studying the existing vaccine they can develop something better...