CAN BACTERIA BECOME RESISTANT TO ONE ANTIBIOTIC AND NOT OTHERS?
Yes, that is why treatment depends on the correct selection of antibiotic. Physicians and veterinarians continue to study resistance information and have become more adept at prescribing antibiotics specific to each illness. WHAT ANTIBIOTICS ARE USED IN CATTLE PRODUCTION? CAN THEY AFFECT BACTERIAL RESISTANCE IN HUMANS? It is against the law for Penicillin to be used in cattle feed at low doses because it can create resistance. Penicillin can be given by injection in higher doses to save an animals life or treat for sickness. Tetracyclines are used in humans, and are legal to use in low doses in cattle feed. Bacterial resistance to tetracyclines is high in humans (over 60%). As a result, the National Cattlemen’s Beef Association conducted a campaign in the 90s to eliminate tetracycline in cattle feed. This has been highly effective. Surveys show that nearly all professional cattle feeders have discontinued tetracycline use in feeds. What do cattlemen use now to treat sick animals? There
