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QUESTION: IS IT SAFE TO SPREAD INFECTED PIG MANURE ONTO PASTURE GRAZED BY CATTLE?
Risk of Pig Slurry Contaminated with Salmonella, Yersinia enterocolitica or E. coli infecting Grazing Cattle: Research
Salmonella Diagnosis & Monitoring in Pigs, Pork & Pigmeat Products
Salmonellosis is a disease affecting most livestock production systems worldwide and resulting in much human illness from poor hygienic procedures. As a zoonosis the disease has assumed increasing importance in recent years. It is a major cause of human food poisoning outbreaks. Food safety programmes therefore pay much attention to Salmonella monitoring and practical hygiene control including sterilisation and disinfection of equipment, materials and surfaces that might become a source of contamination of food - especially meat - by Salmonella bacteria.
Salmonella infections in swine spread very quickly following oral exposure. Organisms multiply rapidly in the intestine, before spreading to many internal organs, resulting in an overall reduction in pig performance. Infected hog manure / slurry is therefore a matter for concern in the spread of Salmonellae as well as live pigs and fresh pigmeat (pork) and cured pig meats (bacon, ham) and manufacturing products: sausages, pork pies.
Salmonella typhimurium also has a greater potential to develop multiple drug resistance and the presence of such isolates has increased dramatically over the years, posing a serious health risk for both pigs and humans.
Salmonella typhimurium is the most common salmonella serotype isolated from many European pig herds. Infection is usually sub-clinical and many animals go on to become carriers resulting in a potentially serious problem during processing at the abattoir.
Infectious Diseases Common to Man and Animals
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