INTERACTIONS BETWEEN PATHOGENS AND SWINE MANURE

Posted in: Pork Insight Articles, Production by admin on July 6, 2017

Although studies are limited, with the exception of penicillin, there is little evidence to support the use of antibiotics added to animal feeds can affected the number of pathogens in pigs or poultry. There are few studies that indicate that short-term antibiotic use in animals contributes to the development of antibiotic resistant bacteria in manure. It has been established that the use of antibiotics will select for
antimicrobial resistant microorganisms in the feces of animals but the microbial ecology of fecal microorganisms is rapidly restored once the antibiotic use is terminated. There is some evidence that antibiotic use on the farm can lead to colonization of humans with antimicrobial resistant pathogens. Antimicrobial resistant Salmonella in humans has been tmced to farms and contaminated manure is potentially the source of infection. Vancomycin-resistant enterococci (VRE) are emerging as a global threat to public health and VRE’s have been isolated from poultry and swine. Transmission of VRE’s form animals to humans has not been documented. Indeed, the transmission of antibiotic resistant
pathogens from animal manure to humans is a major pubic heath concern but there is yet little information to support or refute these concerns.

INTERACTIONS BETWEEN PATHOGENS AND SWINE MANURE

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