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Sasha Stashwick’s Blog

Time for the livestock industry to move in the right direction on antibiotic use

Sasha Stashwick

Posted February 7, 2013

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As the proverb goes, if you find yourself in a hole, stop digging. Unfortunately, new data released by the Food and Drug Administration (FDA) this week shows that the livestock industry continues to move in the wrong direction on antibiotic use—digging all of us into a deeper “hole” when it comes to the public health crisis of antibiotic resistance.

The data shows continued very high levels of antibiotic sales for meat and poultry production, with a steady uptick in overall antibiotics use in the livestock sector over the last decade, culminating in record high sales in 2011.

Kudos to our colleagues at Pew for putting together this great graphic showing the alarming trend:

Pew chart.jpg

The vast majority of all those antibiotics sold for use in livestock aren’t being given to chickens, pigs and cows that are sick. Instead, they are being mixed in with food and water and fed to food animals routinely to promote faster growth and prevent disease in crowded, stressful, and unsanitary conditions—essentially as a substitute for better management practices.

These conditions create the perfect environment for those bacteria that are resistant to the antibiotics to multiply and thrive, creating more and more antibiotic-resistant “superbugs”. In fact, you really could not design a better system for guaranteeing the spread of antibiotic resistance.

Superbugs can’t be knocked out with the usual medicines. If a child catches one of these, a simple ear infection could put her in the hospital – or worse. A broad coalition of prominent medical and public health groups have warned that the “overuse and misuse of important antibiotics in food animals must end, in order to protect human health.”

Unfortunately, other new data published the same day shows increases in antibiotic-resistance among bacteria on retail meat. Detecting superbugs on meat is a sign that the superbugs generated on factory farms through careless use of antibiotics are leaving these facilities.

Here’s Congresswoman Louise Slaughter, author of The Preservation of Antibiotics for Medical Treatment Act (PAMTA), legislation aimed at curbing the misuse and overuse of antibiotics in animal agriculture, on these findings:

“We are standing on the brink of a public health catastrophe. The threat of antibiotic-resistant disease is real, it is growing and those most at risk are our seniors and children. We can help stop this threat by drastically reducing the overuse of antibiotics in our food supply, and Congress should act swiftly to do so today.”

But while these pathogens can and do travel on meat, meat is just one of the ways they can enter our environment. Resistant bugs can travel out from feedlots through livestock and meat processing workers who come into contact with contaminated animals or meat, through water, soil, and air that comes into contact with contaminated animal waste, and through bacteria sharing resistance traits/genes with one another. Nonpathogenic bacteria can even share these traits with pathogenic bacteria.

This all can lead to antibiotic resistant capabilities being spread far and wide and ending up in the bacteria on a doorknob or on a piece of unwashed fruit or in a hospital where they can result in really severe illnesses.

The bottom line is that we when get sick, we want medicines that work. While many things contribute to the growing problem of antibiotic resistance, including inappropriate uses of antibiotics in human medicine, the scale of misuse and overuse of antibiotics in the livestock industry is so large it simply dwarfs all other uses of antibiotics. In order to address the growing crisis of drug-resistant infections, we must take steps to reduce the overuse and misuse of antibiotics in animal agriculture.

This year, Congress will be an important battleground in this effort.

The Animal Drug User Fee Act (ADUFA) is up for renewal, providing an opportunity to win new antibiotic use reporting requirements—reforms that are critical because the public is currently in the dark about drug use trends and the prevalence of high risk practices. Even something as basic as which animals species are being treated with which drugs is not currently reported. New federal requirements for antibiotic use reporting and disclosure will allow us to better understand where the antibiotics are being used, for what purposes, and whether we are making progress on reducing antibiotics reliance on the part of livestock producers.

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Brandon ButlerFeb 8 2013 01:47 PM

Before making broad sweeping generalizations (as this blog does), read the article that is linked here that actually uses science.

Avinash KarFeb 8 2013 06:09 PM

If you really want to know what the science says, see what prominent medical and scientific organizations, such as the American Academy of Pediatrics and the American Medical Association, are saying. These organizations have raised the alarm about the misuse of antibiotics in livestock:

LHFeb 11 2013 03:58 PM

Brandon -

Please explain why we should believe one man writing one anaylsis way back in 2006, rather than the vast body of literature, especially considering that the World Health Organization, one of his employers, more recently had these comments:

“The problem arises when drugs used for food production are medically important for human health,
as evidence shows that pathogens that have developed resistance to drugs in animals can be transmitted to humans"

and that

“Things as common as strep
throat or a child’s scratched knee could once again kill. ... A post-antibiotic era means,in effect, an end to modern medicine as we know it.”

This NRDC post states that most antibiotics sold today are for promoting animal growth. That is a fact.

It also states that in these conditions, antibiotic resistance bacteria can develop. That is a fact.

Finally, it states that these antibiotic resistant bacteria pose a threat to human health. That is a fact.

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