Pests - Week 6 Flashcards
what is a food pest
An animal, insect or bird which lives in or on food. It contaminates food and is noxious destructive or troublesome
3 rodents
Brown rat
Black rat
House mouse
3 insects
flies
Cockroaches
Stored product insects
what is associated with rat urine
Weils disease
what is weils disease
A disease transmitted by rat urine
causing high temps
headaches and nausa
3 main hazards associated with pests in a food premesis
Chemical contamination
Physical contamination
Microorganisms
Spread of bacteria from flies
Salmonella, ecoli and campylobacter
Spread of bacteria from cockroaches
Salmonella, Staph aureus
Spread of bacteria from birds
Salmonella, campylobacter
How is the food contaminated
Faecal Contamination Urine Feeding ( Vomit from flies) Laying eggs on food Walking on it
Hazards from damage to equipment
Structural damage
Fire from chewed cables
Gas leaks from gnawed pipes
Floods from damaged pipes
Chemical hazards from pests
Incorrect use of rodenticides
Contamination of surfaces from chemical sprays
Reasons for pest control
Damage to structure Physical contamination Wastage of food Comply with law Avoid bad press and loss of business
Signs of rodent activity
Holes and nesting sites
Droppings
Smear marks
Black rat is neophobic, what does this mean
Means that they are very scarred of new situations and weary
Environmental control of rodents
Denial of access to premises
Denial of access to food and water
Denial of harbourage
What is denial of harbourage
Avoid cavities in walls
Goods to be stored of the floor and walls
Chemical control of rodents
Bait blocks, pellets, powders
Chronic rodenticides
Acute poisons
How to insects contaminate food
Regurgitating enzymes
Vomitting saliva on food surface and sucking up liquid
Spreading bacteria on food surfaces
Signs of insect infestation
bodies
larva
eggs
smell
Environmental Control of insects
Keep premises clean and tidy including waste areas
Store food in pest proof containers
Physical control of insects
UV fly killers
Cockroach monitoring traps
Sticky fly papers
Chemical control of insects
Only used to back up physical
Removal of food and equipment prior to treatment
Thorough cleaning after to remove chemicals
Control of cockroaches
Sealing cracks
Properly fitted wall panels
Good house keeping
Appropriate drainage and ventilation systems
Law relating to pest control
Reg (EC) 852/2004 on the hygiene of food stuffs
Summary of good pest control
70% is good housekeeping
25% is Good repair of buildings
5% is use of pesticides
