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salmonella
sources
foods vehicles
methods of prevention
foob bourne illness, common in terrapins mesophile
raw poultry/ eggs/ milk/ meat, people ,sewage water, pests, soil, environment.
vehicles; cooked poultry, meat, raw milk, egg products
mp. thorough cooking, hygenic slaughter , avoid raw eggs/ milk, good personal hygine, good desighn of premises, seperation of raw and high risk, integrated pest management/ exclusion off ill personel
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Clostridium perfringens
sources
foods vehicles
methods of prevention
infectious anerobic spore former, mesophile
s. human/animal faeces, soil, dust, pests, raw meat/poultry
v; stews, cosseroles, rolled joints, meat pies
mp; seperation, rapid cooling, refridgerated storage, good pesonal hygine, staff training, cleaning and dissinfecting, restrict joint size.
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Staphylococcus aureus
sources
food vehicles
methods of pevention
heat resistant exotoxin in food, salt tolerant
humans/ skin/ nose/ spots/ boils, raw milk, soil, environment, animal gut/ hides
milk and dairy products, desserts, custards, cooked meats, cooked poultry, buffet type food, prawns
good personal hygine, handwashing, reduced handling, avoid raw milk, refrigeration of high risk food, exclusion/ colds, flu, spots, boils, cuts
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Bacillus cereus
sources
food vehicles
methods of prevention
spore former, heat resistant exotoxin in food
s; cereals(rice), spices, cornflour, beansprouts, soil, dust, died foods, intestinal tract of humans
v; reheated rice, cornflour products, food containing spices
mp;cook and serve, hot hold above 63, rapid cooling, refrigerated storage, thorough reheating, avoid cross contamination, proper cleaning
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clostridium botulinum
sources
food vehicles
methods of prevention
anerobic spore former, neurotoxin in food
s;intestines of fish/animals, soil, vegetables
v;canned bottled/food, honey(infint botulism)
mp;discard blown/damaged cans,care gutting/preping raw fish, good manufacturing practice during canning, bottling and smoking
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E.coli 0157 (vtec)
sources
food vehicles
methods of prevention
affect kidneys, bloody diarrheoa, can be effective in very low doses
human/animal faeces,raw meat, apple juice, sewage, dirty water
v; under cooked burgers, raw milk, unpasturised apple juice,cheese
mp;better hygine at farms, thorough cooking, avoid cross contamination,staff training, hassp system in place, personal hygine, avoid untreated milk/cheese/apple juice, double wash salad vegetables
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listeriosis
souces
food vehicles
methods of prevention
phsycrotrophic, can cause abortions in pregnant women, salt tollerant
s; environment, soil, sewage, dirty water,human/animal faeces
v;soft cheeses, pate, butter, chilled food, raw milk, unwashed salad vegetables
mp;proper irragation, avoid cross contamination, thorough cooking, staff training ,good cleaning, stock rotation, high risk groups should avoid soft cheese/ pate/ contact with farm animals,
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