Antibiotic studies help feedlot calves
California Agriculture 31(2):10-11.
Published February 01, 1977
PDF | Citation | Permissions
Depending on the particular shipment, 25 to 90 percent of the feeder and stocker cattle coming into southern California desert feedlots get sick. Death losses and culling rates range from 6 to 8 percent among the lighter calves (250 to 400 pounds) and from ½ to 2½ percent for larger animals.