animals Archives - Page 2 of 5 - Maryn McKenna

Antibiotics and Antibiotic-Resistant Bacteria in Meat: Not Getting Better

February 9, 2013 By Maryn Leave a Comment

A few days ago, the Food and Drug Administration released two important documents related to antibiotic use in livestock raising, and what the results of that antibiotic use are. I’d say that they released them quietly, except, when it comes to this issue, every release seems to be quiet, never accompanied by the press releases or briefings that other divisions of the FDA use to publicize their news.

The two documents are the 2011 Retail Meat Report from the National Antimicrobial Resistance Monitoring System, or NARMS, and the 2011 Summary Report on Antimicrobials Sold or Distributed for Use in Food-Producing Animals, which is known for short as ADUFA, after the 2008 Animal Drug User Fee Act that mandated the data be collected.

These two reports capture almost all the data we receive from the federal government about antibiotic use in livestock production (which is not the same thing as “all the data the federal government possesses” — there is evidence they receive more than they release). So their annual release is an important indicator for whether antibiotic use in meat production, and antibiotic resistance in meat, are trending up or down.

The news does not appear to be good.

A Government Takes Ag Antibiotics Seriously — But Not Our Government

January 15, 2013 By Maryn Leave a Comment

Matt Rourke/AP

It’s always fascinating to me to see how seriously other parts of the world take the issue of antibiotic use in agriculture, given the long struggle in the United States to get the Food and Drug Administration to act and to get legislation through Congress. The European Parliament has voted down any prophylactic antibiotic use, and China has banned growth promoters.

And last week, the UK Parliament examined the issue for the first time in more than a decade, in a long debate that featured some stinging language by members of Parliament and, it must be said, some inadequate responses by a government agency.

Livestock MRSA Found For First Time In UK Milk

December 26, 2012 By Maryn Leave a Comment

This paper almost slipped by me. It was published quietly a few weeks ago, and it’s a little eyebrow-raising. From EuroSurveillance, the open-access peer-reviewed bulletin of the European Centre for Disease Prevention and Control (Europe’s CDC): The ST398 strain of MRSA, better known as “livestock-associated MRSA” or just “pig MRSA,” has been found for the first time in milk in England. (And therefore probably in cows, or at least on farms.)

Apparently there has been an ongoing study looking for any evidence of MRSA in UK cows, possibly because of this news from last year (of which more in a minute). Between last January and July, the program tested 1,500 samples of milk from farms’ bulk tanks — that’s the cooler in which milk from a number of cows is collected until it can be picked up by a truck for processing — and found seven of the samples were contaminated by MRSA. All seven isolates were MRSA ST398, the livestock-associated strain. Three came from one farm, so five farms had MRSA in their tanks. According to the paper, this is the first discovery of ST398 in the UK other than one finding in horses in 2009.

Superbug Summer Books: ZOOBIQUITY

July 22, 2012 By Maryn Leave a Comment

In the summer of 1997, I was a newspaper reporter covering the Centers for Disease Control and Prevention, and I heard from a contact at the CDC that a team was headed to Hong Kong to check out an odd case. A 3-year-old boy had died of flu. That was sad, but not notable enough on its own to send premier disease detectives rocketing around the world. What was extraordinary about the boy’s death was its cause: a strain of flu known as H5N1 that had never been seen in humans before, though it was common in birds and had recently killed 4,500 chickens on a Hong Kong farm. By the end of that year, 17 other Hong Kong residents would become infected, five others would die, and to shut down the epidemic, Hong Kong would slaughter every chicken in the territory, 1.4 million of them.

That worked, for a while. But in 2003, H5N1 appeared again. Since then, it has sickened 607 people around the world, killing more than half of them. It has done something else too. H5N1 and the 2009 H1N1 “swine flu” — a much larger epidemic whose toll of illness and death was recently revised sharply upward — introduced to many people the idea that diseases could jump from animals to humans, and be much more dangerous to their new human hosts than to the animals they came from.

Diseases that jump in that manner are called “zoonoses,” and because their effect can be so dramatic, they are the subject of major international tracking projects, not to mention cultural fascination. (For just one example, watch last year’s movie Contagion.) But a new book, “Zoobiquity: What Animals Can Teach Us About Health and the Science of Healing” (Knopf) argues that by viewing animals only as a source of infection, we miss a rich range of illnesses that we have in common with other species and that could broaden our understanding of what affects our health and theirs.

People Want to Eat Meat Raised Without Excessive Antibiotics. Wouldn't You?

June 20, 2012 By Maryn Leave a Comment

This news is going to be everywhere today, but it’s solidly in the topics I care about (and you readers care about — at least I think you do), so I’m going to cover it regardless.

The magazine Consumer Reports is publishing a report and poll on US consumers’ attitudes toward the overuse of antibiotics in agriculture. From everyone’s reactions when I write about this, I thought people cared about this issue, but the numbers are a little surprising even to me: 86 percent of shoppers in a nationally representative sample of 1,000 adults said they wanted meat raised without antibiotics to be available in their local supermarkets. [Read more…]

Beyond Factory Farming: Creating An Appetite For Pastured Poultry

June 11, 2012 By Maryn Leave a Comment

I get this a lot: “I understand that the things you write about are important — but they’re so depressing. Couldn’t you write some, you know, good news, for a change?”

So here you go: a solutions post for once, instead of another problem. (But I can’t promise to make a habit of it.)

Court Scolds FDA Over Ag Antibiotic Use

June 5, 2012 By Maryn Leave a Comment

There’s been another development in the continuing court battle to get the US Food and Drug Administration to exert some control over agricultural use of growth-promoter antibiotics — and it arrives accompanied by some remarkably direct language from the US magistrate judge hearing the case.

In a Memorandum of Opinion and Order that was filed last Friday afternoon — which I extracted from the PACER system and stashed in my Scribd account — Judge Theodore Katz addresses the FDA’s denial of two citizens’ petitions regarding ag antibiotic use. I’ll explain the details below, but here is the key language:

… the Court finds the Agency’s denial of the Petitions to be arbitrary and capricious. For over thirty years, the Agency has been confronted with evidence of the human health risks associated with the widespread sub-therapeutic use of antibiotics in food-producing animals, and, despite a statutory mandate to ensure the safety of animal drugs, the Agency has done shockingly little to address these risks.

Whew. OK, the details:

Antibiotics in Ethanol Grains: Glass Half-Empty or Half-Full?

April 10, 2012 By Maryn Leave a Comment

So hi. Apologies to disappear, constant readers — I was mired in the last revise of a big magazine story (which will be out in two months and will be very exciting). Back now, and catching up. Here’s something that caught my eye yesterday, on a topic that I haven’t looked at since this blog was at its former home: the issue of ethanol-manufacturing leftovers, and whether they contribute to antibiotic resistance in the animals they are fed to.

Quick background: Making ethanol is a lot like brewing beer. You take a starchy carbohydrate, wet it down to make a mash, warm it up, add yeast, and wait. To fuel its reproduction, the yeast digests the carbohydrate; as waste products, it respires carbon dioxide and produces alcohol. (So basically beer is yeast pee, but let’s not get off track.)

More On Court Ordering FDA Hearings on Farm Antibiotics

March 23, 2012 By Maryn Leave a Comment

Since I posted last night on the judge’s order that the Food and Drug Administration examine the safety of farm antibiotics — via hearings that the Food and Drug Administration scheduled, but never held, back in 1977 — a lot has happened. Here’s a round-up.

The Natural Resources Defense Council, lead plaintiffs in the suit (with the Center for Science in the Public Interest, Food Animal Concerns Trust, Public Citizen and Union of Concerned Scientists) has put up a press release/explainer, accompanied by a blog post written by ~~lead~~ attorney Avinash Kar. (Correction: The lead attorney is Jen Sorenson.) Key quote from Kar:

The judge’s opinion makes it clear that FDA’s voluntary approach—letting the industry police itself—does not satisfy its legal obligations. FDA must schedule hearings to let drug manufacturers make their case, and if the drug manufacturers cannot prove that the use of antibiotics in animal feed is safe, FDA must withdraw approval for those drug uses.

Kar’s comment to me: “We think this is a great step forward for public health. For 35 years, FDA has basically sat on the sidelines, mostly letting the industry police itself. In that time we have seen a massive rise in the occurrence of antibiotic-resistant bacteria. This means we now will ensure that we preserve these lifesaving medicines for those who need them most.”

I asked the press office this morning at the Center for Veterinary Medicine, the FDA division named in the order, if the agency has a response yet. They said: “We are studying the opinion and considering appropriate next steps.”

What You Get From Your Pet, 3: This One Is Sad

March 10, 2012 By Maryn Leave a Comment

Twice in the past year I’ve written about diseases that people can pick up from their household animals. They remain my highest-traffic posts (here and here) and also my most contentious. So knowing that readers respond to that topic, this recent paper caught my eye. It’s another account of what you can, possibly, catch from your pet — but for any pet owner (which includes me), it’s terribly sad.

High Levels of Resistant Bacteria on Meat (Again)

March 3, 2012 By Maryn Leave a Comment

A new report is out from the federal collaboration that monitors antibiotic resistance in animals, retail meat and people, and the news is not good.

The full title is the 2010 Retail Meat Report from the National Antimicrobial Resistance Monitoring System. This report is issued by the Food and Drug Administration; the humans one comes from the Centers for Disease Control and Prevention and the animals one from the US Department of Agriculture. It reports the results of testing on 5,280 meat samples collected in 2010 in California, Colorado, Connecticut, Georgia, Maryland, Minnesota, New Mexico, New York, Oregon, Tennessee, and Pennsylvania. (Those are sites of state labs participating in a federal surveillance network, FoodNet, plus one volunteer lab, Maryland.)

The report — which is broken down first by foodborne organism and then by meat type — notes a number of instances where either the percentage of bacteria that are antibiotic resistant, or the complexity of the resistance, is rising. Quoting from the report:

Also Receiving Antibiotics on Factory Farms: Shrimp

February 24, 2012 By Maryn Leave a Comment

Tom Philpott of Mother Jones had a great post earlier this week looking at the vast environmental damage caused by shrimp farming in South and Southeast Asia. He takes off from a presentation at the annual meeting of the American Association for the Advancement of Science by J. Boone Kauffman of Oregon State University, which examined the destruction of coastal mangrove forests that allows shrimp farms to be established and found that shrimp’s carbon footprint is 10 times higher than that of beef cattle. Tom says:

'Pig MRSA' Came From Humans, Evolved Via Farm Drugs

February 23, 2012 By Maryn Leave a Comment

In the summer of 2004, a 6-month-old girl who lived in the southeastern part of the Netherlands — prime, intensive hog-farming country — went in for surgery for a birth defect of her heart. As is routine in the Netherlands, which has excellent hospital infection control, she was checked before surgery for MRSA, the drug-resistant bacterium that can live on the skin without causing infections and can be unwittingly transmitted from one patient to another. The girl was carrying MRSA, which was a surprise — but the bigger surprise was that her MRSA strain did not render any results on the standard identification test, PFGE.

Looking for a source for the mysterious strain, the hospital epidemiologists where the girl was being treated asked to check her family: father, mother, school-age sibling. They were carrying it. They asked to check the family’s social circle; some of them were carrying it too. Then, flailing about for an answer — the Netherlands has such low rates of MRSA that these persistent findings were really rather odd — the epidemiologists asked what the family and their friends all did for a living, and received the answer that they were all pig farmers. So they checked the pigs, and the pigs were carrying the MRSA strain as well. And if a new MRSA strain in humans was odd, then a MRSA strain in pigs was very odd — because swine have their own varieties of staph, and are not supposed to get S. aureus, the usually human strain that accounts for the “SA” in MRSA.

That summer of detective work (which is told in full in my book Superbug) provided the first sighting of what would come to be called MRSA ST398, or in Europe CC398: a strain which was not quite like hospital MRSA, and not quite like community MRSA, and which carried a distinctive signature of resistance to tetracycline, a drug that is not much used for human MRSA but is routinely used in confinement-style farming. From its first identification, ST398 spread rapidly through Europe, and then into Canada, and then to the United States, being found first in pigs and pig-farm workers, and then in retail meat, and then in people with no connection to farming at all.

The only mystery was where it had come from.

Moving Beyond Factory Farms: Pastured Poultry

February 10, 2012 By Maryn Leave a Comment

It’s astonishing what you can not know about the place where you live. Me, for instance: I live mostly in Atlanta. I’ve lived here twice, once for 10 years as a newspaper reporter, and now — after a four-year break — for 15 months so far as a writer (and trailing spouse, which is how I got back here). Between working for one of the (formerly) largest papers in the country, liking long drives, and regularly indulging my ungovernable curiosity, I thought I knew Georgia pretty well.

I was wrong. Here’s what I learned about Georgia on Thursday:

It raises more meat chickens than any other place in the United States, about 1.4 billion of them a year.
That’s 15 percent of all the animals raised in confinement agriculture in the United States. Not just 15 percent of the chickens; 15 percent of everything.
All those chickens produce 2 million tons of poultry manure and litter a year, one-fifth of what the entire U.S. poultry sector produces.
That waste is applied on land — including land where other food crops are grown — from which it can run off and contaminate water supplies.
40 to 80 percent of gut bacteria recovered from confinement chicken-houses are multi-drug resistant.
Caring for foodborne illness from organisms carried on chicken, and making up for lost productivity when people are made sick, costs about $2.4 billion per year.
Chicken catchers, who cage the birds on their way to slaughter, may lift 5,000 pounds in an hour. Slaughterhouse line workers may perform the same repetitive cutting motions 20,000 to 30,000 times in a work shift.
Slaughterhouses in Georgia kill 1 million chickens per week.
Poultry is exempt from humane slaughter regulations.

Fast-Spreading Animal Virus Leaps Europe, UK Borders

February 7, 2012 By Maryn Leave a Comment

Photo:

A newly identified disease is moving rapidly through livestock in Europe and has authorities both worried and puzzled. The disease, dubbed Schmallenberg virus for a town in west-central Germany where one of the first outbreaks occurred, makes adult animals only mildly ill, but causes lambs, kids and calves to be born dead or deformed.

The United Kingdom’s Animal Health and Veterinary Laboratories Agency (AVHLA) said today that the virus has been found on 29 farms in England; in the past few weeks they found it in sheep, but today announced that they have identified it in cattle as well. In mainland Europe, it has been identified on several hundred farms in the Netherlands, Germany and Belgium, and most recently in France. The European Center for Disease Prevention and Control has said that the new virus’s closest relatives do not cause disease in humans — but that other more distantly related viruses do:

The new virus belongs to the Bunyaviridae family, genus Orthobunyavirus, Simbu serogroup (preliminary information, based solely on genetic information)… Genetic characterisation has shown that the new virus is closest to the following Simbu serogroup viruses: Shamonda-, Aino- and Akabane-viruses, which do not cause disease in humans.
However, at least 30 orthobunyaviruses are zoonotic and may cause disease in humans, with symptoms ranging from mild to severe — e.g. La Crosse encephalitis virus, California Encephalitis virus, Cache Valley virus, Batai virus, Tahyna virus, Inkoo virus, Snowshoe Hare virus, Iquitos virus and Oropouche virus.

Drug Resistance in Pork: More Going On Than Appears

January 31, 2012 By Maryn Leave a Comment

A paper released recently, by the University of Iowa team that is the lone US research group tracking “pig MRSA” ST398, caused a ripple. (It came out while I was at ScienceOnline and it’s taken me a while to catch up.) The paper compares the occurrence of MRSA, drug-resistant staph, on various cuts of retail pork from pigs that were raised either conventionally in confinement, with routine use of antibiotics, or in an alternative rearing scheme with no antibiotics. (NB: Not “organic,” despite what some headlines said; that’s a separate issue of USDA licensure.) The team found that both conventionally raised and antibiotic-free meat carried MRSA, both the human-associated kind and the pig-adapted kind.

The TL;DR over the past week has been: There’s just as much resistant bacteria on drug-free meat as there is on conventional meat, so why spend the money — or raise the alarm over farm antibiotic use?

My interpretation is a little more nuanced. But my takeaway is that, in its underlying data, the study proves what campaigners against ag antibiotic use keep saying: that once you use antibiotics indiscriminately and drive the emergence of resistant organisms, you have no way of predicting where that resistance DNA will end up.

SUPERBUG Is Dark To Protest SOPA And PIPA

January 18, 2012 By Maryn Leave a Comment

Constant readers: Today, Wikipedia is locked, Boing Boing is dark, and I join with many bloggers much more important than me to protest legislation that would destroy the Internet as we know it. Superbug is dark today to protest the ill-conceived Stop Online Piracy Act (SOPA) in the House of Representatives and the Protect IP Act (PIPA) in the Senate.

I humbly request that you consider visiting these sites for more:

The Electronic Frontier Foundation‘s explainer

Google.com’s petition, which our parent Wired.com has also bannered and linked

A letter from leading tech companies.

Why is a journalist taking a position on legislation, when we are bound by professional practice to be objective and fair? This letter from the Online News Association explains journalists’ opposition to SOPA.

I’ll see you back here tomorrow. If SOPA and PIPA passed, on the other hand, maybe I wouldn’t.

Totally Drug-Resistant TB: A Patient Is Missing

January 14, 2012 By Maryn Leave a Comment

There was a lot of interest in in TDR-TB Friday; both The Leonard Lopate Show on WNYC and Science Friday kindly asked me to be on to talk about it. While I was waiting for the phone link to Science Friday to become live, an alarming bulletin arrived in my e-mail. The early-warning list ProMED reported that the existence of two additional cases of TDR-TB have been disclosed, in Bangalore, 600 miles from Mumbai where the first known Indian cases were identified. The patients, a 56-year-old man and a 29-year-old woman, had been coming to a hospital for directly observed administration of their TB for more than two years; they were initially recognized as MDR-TB patients, with disease that was highly resistant but not untreatable, but were not getting better. For the past two weeks, though, the man has not shown up, and no one appears to know where he is.

More News: FDA Curbs One Class of Farm Drugs

January 4, 2012 By Maryn Leave a Comment

Here’s a bookend to the Food and Drug Administration’s disappointing Christmas Eve notice that it will cease trying to regulate the largest classes of growth-promoter antibiotics. Today, the agency announced that it is forbidding certain uses of a different class of drugs, cephalosporins.

To those who are concerned about antibiotic overuse in agriculture, though, this is good news — though it may be more good news-bad news-bad news-good news.

The dialectic looks like this:

FDA Documents Show Agency Once Strongly Opposed Farm Antibiotic Overuse

December 29, 2011 By Maryn Leave a Comment

The use of antibiotics and sulfonamide drugs, especially in growth promotant and subtherapeutic amounts, favors the selection and development of single and multiple antibiotic-resistant and R-plasmid-bearing bacteria.

Animals that have received either subtherapeutic and/or therapeutic amounts of antibiotic and sulfonamide drugs in feeds may serve as a reservoir of antibiotic resistant pathogens and non-pathogens. These reservoirs of pathogens can produce human infections.

The prevalence of multi-resistant R-plasmid-bearing pathogenic and nonpathogenic bacteria in animals has increased and has been related to the use of antibiotics and sulfonamide drugs.

Organisms resistant to antibacterial agents have been found on meat and meat products.

If you give the text above a close read, you might think it was written by Mark Bittman or Tom Philpott or Tom Laskawy, or me — or any of the small number of journalists who focus on the safety and policy perils of giving scarce antibiotics to confinement-raised farm animals. After all, what it says is what any of us would say: Routine administration of antibiotics to livestock spurs the emergence of drug-resistant bacteria that move through the food chain, threaten human health, and lend their DNA to yet other bacteria, increasing the reservoir of resistance in a dangerous and untracked manner.

As it happens, though, the text above wasn’t written by any of us. It was written by the Food and Drug Administration, the FDA.

Yes, the FDA — the federal agency that, as I wrote last Friday, has just backed off a 34-year attempt to assert regulatory control over “growth promoter” antibiotic use, opting instead for voluntary self-policing by the agricultural and pharmaceutical industries.