For treatment and control of colibacillosis. A noncontagious infectious disease of primarily young birds. This environmentally borne disease is caused by damp, dirty litter and filthy pen conditions. It does not spread from bird-to-bird. Signs of illness are: dry, dirty, ruffled, feathers; decreased appetite, depression, diarrhea, and death. Birds become pale and anemic, followed by dirty feathers and pasting of manure around the vent area. Dosage: 1/4 tsp. per gallon. (NOT OK to eat eggs during treatment with these antibiotics.)