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The environmental impact of pig farming is mainly driven by the spread of feces and waste to surrounding neighborhoods, polluting air and water with toxic waste particles. [1] Waste from pig farms can carry pathogens, bacteria (often antibiotic resistant), and heavy metals that can be toxic when ingested. [ 1 ]
The environmental impact of pig farming is mainly driven by the spread of feces and waste to surrounding neighborhoods, polluting air and water with toxic waste particles. [266] Waste from pig farms can carry pathogens, bacteria (often antibiotic resistant), and heavy metals that can be toxic when ingested. [ 266 ]
Because pig meat is the intermediate source of the intestinal parasite, rotation of the full life cycle occurs in regions where humans live in close contact with pigs and eat undercooked pork. However, humans can also act as secondary hosts, which is a more pathological, harmful stage triggered by oral contamination.
The reputation of pork depends upon the life of the pig. In early medieval Europe, when most pigs foraged in the woods, pork was the preferred meat of the nobility. By 1300 most forests had been ...
The FDA warned that pork tainted with "carcinogenic residues" from the drug may end up in products like hot dogs and lunchmeat. Carbadox has been a component of pig feed since the 1970s to combat ...
The 1918 flu pandemic in humans was associated with H1N1 and influenza appearing in pigs; [72] this may reflect a zoonosis either from swine to humans, or from humans to swine. Although it is not certain in which direction the virus was transferred, some evidence suggests that in this case pigs caught the disease from humans. [ 69 ]
The human outbreak coincided with one in the local pig populations. There was no evidence of human-to-human transmission; all of the patients had been in direct contact with pigs. Many of the patients, and almost all of the fatal cases, had typical symptoms of Streptococcal toxic shock syndrome (STSS).
Cases of MRSA have increased in livestock animals. CC398 is a new clone of MRSA that has emerged in animals and is found in intensively reared production animals (primarily pigs, but also cattle and poultry), where it can be transmitted to humans. Although dangerous to humans, CC398 is often asymptomatic in food-producing animals. [110]