Antibiotics & Our Meat
Fight to curtail antibiotics in animal feed
Monday, January 28, 2008
Consumer advocates have been campaigning for years to curb the use of antibiotics in agriculture, citing studies that show that 70 percent of all U.S. antibiotics are administered in low doses – not to treat disease, but to promote the growth of pigs, sheep, chicken and cattle.
Low doses of antibiotics in animal feeds have been shown to boost the speed of food-to-muscle conversion by 5 percent, and can prevent the spread of disease in the tight quarters of modern factory farms.
But as early as 1963, British researchers tied the emergence of drug-resistant strains of salmonella in humans to antibiotics fed to cattle. Among the drugs routinely found in animal feed are erythromycin, penicillin and streptomycin. Critics warn that the use of antibiotics in feed at low dosages helps to breed resistant bacteria in the gut of farm animals – threatening the future of these drugs for use in animals or humans. (more…)