Sabtu, 24 Maret 2012

High Levels of Resistant Bacteria on Meat

A new review is out from the government cooperation that screens anti-biotic level of resistance in creatures, store meat and people, and the news is not good.

The full name is this years Retail Meat Report from the National Anti-microbial Resistance Tracking System. This review is from the Food and Drug Administration; the people one comes from the Centers for Disease Control and Avoidance and the creatures one from the US Department of Farming. It reports the results of examining on 5,280 meat products gathered truly in Florida, Co, Burglary, Atlanta, Doctor, Ny, New South america, New You are able to, Or, Tn, and Florida. (Those are sites of state laboratories doing a government monitoring network, FoodNet, plus one offer lab, Doctor.)

The review — which is split up first by foodborne patient and then by meat type — notices a number of instances where either the percentage of bacteria that are anti-biotic resistant, or the complexness of the level of resistance, is rising. Costing from the report:

For Salmonella:
  • Third-generation cephalosporin resistance rose in chicken breast (10–34.5%) and ground turkey (8.1–16.3%) isolates from 2002 to 2010.
  • There were significant increases in ampicillin resistance among chicken breast (16.7–39.2%) and ground turkey isolates (16.2–48%).
  • 43.3% of chicken breast isolates were resistant to ≥ 3 antimicrobial classes in 2010 compared to 33.7% in ground turkey.
  • More than 29% of chicken breast isolates showed resistance to ≥ 5 classes in 2010.

For Campylobacter:
  • Ciprofloxacin resistance in C. coli from chicken breast rose from 10% in 2002 to its highest peak of 29.1% in 2005.
  • Since the fluoroquinolone ban in September 2005, ciprofloxacin resistance in C. coli has decreased to 13.5% in 2010, while resistance in C. jejuni significantly increased from 15.2–22.5% from 2002 to 2010.
  • Gentamicin resistance in C. coli has increased to 12.8% in 2010, up from 0.7% in 2007 when it first appeared in NARMS retail meat.
For E. coli:
  • Ceftriaxone resistance among E. coli isolates from chicken breast is consistently higher than any other retail meat tested.
  • From 2002–2005, nalidixic acid resistance in E. coli from chicken breast increased from 2.8–6.6% and increased in ground turkey from 4.3–10.4%. Since the fluoroquinolone ban in September 2005, resistance has decreased to 3.6% in chicken breast and 2.7% in ground turkey.
  • Gentamicin resistance is much higher in retail poultry isolates (> 20%) than ground beef and pork chop isolates.
  • A highly statistically significant trend in ampicillin resistance was seen among ground turkey with 52.6% resistance in 2010, up from 31.3% in 2002.

Here are some platforms from the report, with the really unpleasant results in 2010 called out in yellow-colored.

If you read down the left-hand pillar and then across to 2010, what these platforms tell you is that more than half of the earth hen products taken  E. coli that were immune to at least three different sessions of medications, significance that, if those viruses triggered a foodborne illness in a person, none of those anti-biotic sessions would work to cure it. Almost 30 % of hen and floor hen products taken Salmonella viruses that were immune to five different sessions of medications. Almost 29 % of ground-beef products taken Salmonella variations that were immune to six.

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