Integrated Pest Management for Rats and Mice
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Transcript of Integrated Pest Management for Rats and Mice
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Eric StormerVirginia Cooperative ExtensionNorfolk, Virginia
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Integrated Pest Management - is an ecological approach to pest control.
IPM is based on the habitat and life cycle of the pest
IPM may include both nonchemical and chemical management methods
IPM manages causes, rather than treating symptoms
IPM balances control level needed, with associated risks
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A habitat is an animal’s home, where it finds shelter, food and a place to raise young Habitats are formed by the interaction of
biotic (living) and abiotic (non-living) factors Habitats may be terrestrial (land), aquatic
(water) or a combination (wetland). Change in a portion of a habitat affects all
organisms present A Life Cycle is the series of stages in an
organisms development during its lifetime
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Carry infectious diseases May cause asthma attacksBiteDamage food and propertyCan attract other pestsAre repulsive
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Bubonic Plague, Yersinia pestis
Algeria, 2003
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Tularemia (Francisella tularensis)
Leptospirosis (Leptospira spp.)
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Name: Remmy
Where do you live? Paris
What's your age? 8 months
Hair color? Gray
Eye color? Brown
Height? 16” (standing on hind legs)
Date of Birth? 23rd of May
What's your sign? Gemini
How many pets? 37 – (fleas)
Obsessions? Good food, and lots of it!
Bad habits? Overstaying my welcome.
Phobias? Cats!
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Rat taxonomy
Kingdom: Animalia Phylum: ChordataClass: MammaliaOrder: Rodentia (the rodents)Family: MuridaeGenus: RattusSpecies: norvegicus (Norway Rat, Brown Rat)
rattus (Black Rat, Roof Rat) and its three sub-species
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Gnaw to wear down their teeth and get where they want to go (can cut anything softer than steel)
Are most active at night Make lots of babies fast Travel the same paths
nightly, staying close to walls
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Norway Rat, R. norvegicus
Roof Rat, R. rattus
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Norway Rats
Roof Rats
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Pointed nose Large eyes Large ears Light, slender build Tail longer than
head and body
Blunt nose Small eyes Small ears Heavy, thick build Tail shorter than
head and body
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Excellent swimmers..
Norway Rat, AKA, Sewer Rat
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Adaptable…
Fashionable dressers!
Adept at climbing, when necessary…
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Will travel 450 feet from their burrow, but prefer to live close to food and water sources
Usually live outside and come inside for food and water
Norway rat burrow
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Normally live underground in burrows…
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Rats: Live outside, but will come in if the place is hospitableMice: Nest in walls, stored fabric, cars, boxes, or the ceiling
Mouse nest in a hatRat burrow by a wall
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Fresh fruit, nuts, vegetative tissue of plants.
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Need a hole the size of a quarter to enter
Are very smart, cautious, and afraid of new things
Need water every day
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Inches
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House Mouse, Mus musculus
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Breed rapidly A single pair can
become an infestation quickly!
Take action when evidence of ONE mouse is seen or heard
Don’t travel far—just 30 feet from their nest
One day old mouse pups
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January December
One One pregnanpregnan
t t mousemouse May September
Stopping one mouse does a lot!
650
401
4,500
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SightingsNoiseGnaw marksNestsBurrowsDroppingsHoles & rub marks Indicator pests
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Rodent urine stain in drop ceiling
Mouse droppings by a power strip
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Found near grain or bait stored in walls
Found near dead animals or trash
Blow Fly Hide Beetle
Grain BeetleIndian Meal Moth
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NONCHEMICAL CONTROL
Sanitation Exclusion Trapping Cage Traps Glue Boards Noise & Electrical
Devices
CHEMICAL CONTROL
Rodenticides Anticoagulant Baits Tracking Powders Fumigants
“Before all else, be armed.”Niccolo Machiavelli
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Eliminate harborage, food, and water (habitat)
Clutter in a corner
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Dumpsters should be – free of holes– covered – placed on cementScreen drain holesEmpty dumpsters regularly; they should never overflow
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For a hole, crack, or gap…
Stuff it Seal it Check it often
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RATS
1. Place many traps2. Bait and leave UNSET
until rats are readily feeding
3. Bait and set all traps
MICE
1. Bait & set many traps
2. Place 6 traps for each mouse
3. At least three feet apart
4. Set immediately
“All warfare is based on deception.” Sun Tzu
Bait with what they’re eating or using to nest.
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Place the trap against the wall where rodents travel. (The edge of the trap must touch the wall.)
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Trap set correctly so it snaps towards the wall
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Effective and reusable More ARE better Check often Placement is key
Trap jumped from the wall when it snapped
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Capture but don’t kill May be more
effective for ground dwelling animals
Leave trap for at least 5 days before moving to another location
Place in areas where they won’t attract children, pets.
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Good for monitoring populations
Most effective when placed along runs
Lost effectiveness in dusty areas
Temperature extremes may affect adhesiveness
Locate safely
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May be effective, though animals often become accustomed to regularly repeated sounds
Limited use in rodent control, as they are directional, and do not penetrate behind objects, walls
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The label is the law All rodenticide labels require tamper-
resistant stations Read the label on both the station and the
bait The bait station should be secured,
locked, and labeled If the rodents are
inside, considerusing traps
An opened bait station
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TYPES OF RODENTICIDES
Anticoagulants 1st Gen.
Anticoagulants 2nd Gen.
Tracking Powders
Fumigants
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Available in grain or pellet form
Often packaged in packets easy to handle, place
Also available in paraffin blocks – useful in sewers or other moist areas
Use with bait stations (boxes)
Pre-bait, especially when using single-dose types
“He who is prudent and lies in wait for an enemy who is not, will be victorious.” Sun Tzu, The Art of War
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TOXICANTS MIXED WITH DUST
Adhere to rodents feet Consumed during
grooming Especially useful in
controlling mice, but will kill rats also
Most are anticoagulants
Work on even bait-shy animals
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“No enterprise is more likely to succeed than one concealed from the enemy until it is ripe for execution.” Niccolò Machiavelli
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Find out:− Rat or mouse?− How many?− Where?Record:− Date− Detailed
observations− Action taken