Interviews established that the victims lived on farms six miles apart and that they got their beef from the same nearby feed lot, which routinely added chlortetracycline to the .
There he developed an effective way of keeping parakeets free of the psittacosis virus by frequent injections of chlortetracycline (Aureomycin).
Penicillin and chlortetracycline (Aureomycin) are effective anti-decay agents, as are urea and dibasic ammonium carbonate; other antibiotics and chemicals tested (among them .