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farm animals

Farm animal exposure has been found to be a risk factor for non-Hodgkin lymphoma. And poultry exposure has been associated with a variety of diseases including thyroid conditions, schizophrenia, senile and pre-senile psychotic conditions, and autoimmune neurological disorders such as myasthenia gravis (see also here).

Due to genetic manipulation, most of retail milk now comes from pregnant cows and is, thus, high in steroid hormones (see also here). Farm animals and/or their flesh have also been found to be contaminated with: Hepatitis E, E. coli, Clostridium difficile (a superbug), drug residues, prions, obesity causing chicken viruses, anabolic steroids, staph (Staphylococcus) bacteria, MRSA (see here, here), and the sarcocystis parasite. Processed meats are high in nitrites, which form carcinogenic nitrosamines. And the avian leukosis/sarcoma virus has been found in 14% of retail egg samples, though the human public health implications are unknown.

Topic summary contributed by Denise.
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Watch videos about farm animals

  • Yersinia in Pork
    Yersinia in Pork
    This week Consumer Reports released a study showing the majority of retail pork tested was contaminated with antibiotic resistant strains of the foodborne bacteria Yersinia enterocolitica.
  • Poultry Exposure and Neurological Disease
    Poultry Exposure and Neurological Disease
    Poultry workers exhibit an excess of a wide range of diseases, from thyroid conditions to schizophrenia and autoimmune neurological disorders such as myasthenia gravis. This may be due to exposure to...
  • Carcinogenic Retrovirus Found in Eggs
    Carcinogenic Retrovirus Found in Eggs
    Avian leukosis/sarcoma virus has been found in 14% of retail egg samples.
  • Chicken Dioxins, Viruses, or Antibiotics?
    Chicken Dioxins, Viruses, or Antibiotics?
    The association between poultry and cancer may be explained by the presence in chickens' and turkeys' flesh of industrial carcinogens such as dioxins, oncogenic (cancer-causing) viruses, and/or the...
  • When Nitrites Go Bad
    When Nitrites Go Bad
    Nitrites in processed meat form nitrosamines, a class of potent carcinogens found in cigarette smoke, which may explain why hot dog consumption has been associated with the two leading pediatric...
  • MRSA in U.S. Retail Meat
    MRSA in U.S. Retail Meat
    More than a thousand retail meat samples have been tested for Methicillin-resistant Staphylococcus aureus (MRSA) contamination in North America.
  • Airborne MRSA
    Airborne MRSA
    Methicillin-resistant Staphylococcus aureus "superbug" found not only contaminating the U.S. retail meat supply but isolated from air samples outside swine CAFOs.
  • U.S. Meat Supply Flying at Half Staph
    U.S. Meat Supply Flying at Half Staph
    An investigation finds 47% of U.S. retail meat tested is contaminated with staph (Staphylococcus) bacteria. Turkey appears most likely to harbor contagion.
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