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FAQsRats & Mice (Chooha)
Why poison alone does not solve a rodent problem, how they get in, what to do about the smell, and how to keep bait away from children and pets.
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I keep putting poison but the chooha keep coming. Why?
Because poison only removes the rats that are already inside. As long as the way in is still open, new ones simply take their place.
Rodent control has three parts, and putting out bait is only the first:
- Remove what is inside — traps, or bait held in locked stations.
- Close the entry points — this is the part almost everyone skips, and it is the part that ends the problem.
- Remove the food and shelter — open bins, spilled grain, cartons stacked against walls, pet food left out overnight.
A mouse gets through a gap the width of your little finger; a young rat through a gap about the size of a 10-rupee coin. Until those are sealed, you are paying to remove an endless supply rather than solving anything.
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How are rats getting into my house or shop?
Nearly always at ground level, through gaps that look far too small.
Entry routes, in the order we find them:
- Gaps under external doors and shutters — including the side channels of a roller shutter, which people almost never check.
- Holes where pipes and cables enter walls — water, gas, internet and especially the hole cut for an air conditioner pipe.
- Open or broken floor drains and damaged manhole covers.
- Ventilation openings without mesh.
- Damaged boundary walls and the junction where an extension meets the original building.
Rats also climb well. Overhanging tree branches, cables and drain pipes give access to upper floors, so a first-floor flat is not automatically safe.
Proofing is skilled work — a gap filled with expanding foam alone is chewed through within days. It needs a hard material the rodent cannot gnaw.
Book a free inspection. No price is quoted before someone has seen the property. Certified pest control services in Karachi, Lahore and Islamabad. +92 343 879 7046
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There is a bad smell after treatment. Is a rat dead inside the wall?
Probably yes, and this is the main drawback of using bait instead of traps in an occupied building. A poisoned rodent often dies somewhere inaccessible.
The smell usually peaks after about a week and fades over two to three weeks, depending on the size of the animal and how warm the space is. In Karachi heat it is stronger and shorter; in winter it lasts longer.
What helps: ventilate the room well, and try to locate the strongest point — often near a ceiling void, a duct, or a boxed-in pipe run. If it can be reached from an access panel, removing the carcass ends it immediately. Flies gathering at one spot is a useful clue.
This is exactly why we recommend trapping in homes, especially where there are children or pets. It takes longer and needs more visits, but you recover the body instead of discovering it later by smell.
Want it done properly the first time? Pest Orbit Pakistan uses registered and approved products, at the correct dose, across the whole property — in Karachi, Lahore and Islamabad. Top rated pest control services — call +92 343 879 7046.
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Why do we get more rats in winter?
Because they move indoors as the temperature drops, looking for warmth and a reliable food supply. In Pakistan the strongest indoor push is around December and January.
There is a second peak worth knowing about: heavy monsoon rain floods burrows and drains, which pushes rodents up and out at short notice. That is also when snakes appear, for exactly the same reason.
Proof the building before the season, not during it. Sealing entry points in October and November is far easier and cheaper than dealing with an established indoor population in January.
Lahore and Islamabad see a sharper winter movement than Karachi, where the milder coastal winter keeps activity steadier through the year.
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I only saw one mouse. Is that really a problem?
Seeing one during the day usually means there are more. Rodents are mainly active at night and avoid open space, so daytime sightings tend to mean the population has grown enough to force some of them out.
Check for the signs rather than waiting for another sighting:
- Droppings along walls, in cupboards, behind the fridge or cooker
- Gnaw marks on food packets, cartons, wooden edges or cables
- Smear marks — dark greasy lines along skirting where they run the same route repeatedly
- Shredded paper, cloth or insulation gathered into nesting material
- Scratching sounds in ceilings or walls at night
Chewed electrical cable is the risk people underestimate — rodents gnaw constantly, and it is a genuine fire hazard. Act on the first sighting rather than waiting to see whether it happens again.
Recommended for homes and businesses across Pakistan. Ph.D.-led IPM, registered products, and documentation when you need it. Free survey — +92 343 879 7046 or [email protected].
Answered by Pest Orbit Pakistan — ISO 9001, ISO 14001 and ISO 45001 certified, IAF-accredited, Ph.D.-led pest control and fumigation in Karachi, Lahore and Islamabad.
I hear scratching in the ceiling at night. What is it?
Most often rats or mice, occasionally birds or squirrels. The timing tells you which.
- Scratching and scurrying after dark, quiet by day — rodents. They are nocturnal and follow the same routes nightly, so the noise tends to come from the same stretch.
- Activity at dawn and during daylight — more likely birds nesting in the roof space or under eaves.
- Heavier, slower movement — a larger animal, or a rat rather than a mouse.
Do not ignore it. Rodents gnaw constantly, and chewed electrical cable in a roof void is a genuine fire risk — that is the real reason to act quickly, not the noise.
Look for the entry route outside: overhanging branches touching the roof, gaps where cables and pipes enter, broken eaves boards, and unmeshed vents. Rats climb well, so an upper floor is not automatically safe.
Book a free inspection. No price is quoted before someone has seen the property. Certified pest control services in Karachi, Lahore and Islamabad. +92 343 879 7046
Answered by Pest Orbit Pakistan — ISO 9001, ISO 14001 and ISO 45001 certified, IAF-accredited, Ph.D.-led pest control and fumigation in Karachi, Lahore and Islamabad.
How do I know how many rats there are?
You cannot count them directly, but the evidence tells you the scale — and it is almost always more than you have seen.
Rough indicators:
- Occasional droppings in one area, no daytime sightings — likely a small number, recently arrived
- Droppings in several rooms, smear marks along skirting, nightly noise — established, breeding
- Daytime sightings — the population has grown enough to push some out into the open. This is the clearest sign of a significant problem.
- Fresh droppings after a clean-up — count how many appear over 48 hours. It is the most reliable home measure available.
The practical point is that the number matters less than the entry route. Removing ten rodents from a building that still has a gap under the door just makes room for the next ten.
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What does proper rodent proofing involve?
Closing every gap with a material a rodent cannot gnaw through. Expanding foam and silicone alone are chewed out within days.
What gets sealed, and with what:
- Gaps under doors — metal or brush door sweeps
- Pipe and cable penetrations — wire wool packed in, then mortar or sealant over it
- Air conditioner pipe holes — the most commonly missed opening in Pakistani buildings
- Vents and airbricks — steel mesh, not plastic
- Roller shutter side channels — brush seals
- Damaged brickwork, eaves and broken drain covers — repaired
A mouse gets through a gap the width of your little finger; a young rat through one about the size of a 10-rupee coin. Sealing has to be thorough to mean anything.
Proofing is the single best-value item in pest control. It is a one-off cost that keeps working with no chemical, no repeat visits and no risk to children or pets.
Answered by Pest Orbit Pakistan — ISO 9001, ISO 14001 and ISO 45001 certified, IAF-accredited, Ph.D.-led pest control and fumigation in Karachi, Lahore and Islamabad.
What is the best way to get rid of rats in a house?
Trap or bait what is inside, then close the way in. The second step is what settles it, and it is the step most people skip.
The sequence that works:
- Find the entry points. Gaps under doors, holes where pipes and cables enter, the air conditioner pipe opening, broken drain covers, unmeshed vents.
- Remove what is inside — traps, or bait in locked tamper-proof stations. In homes with children or pets we usually recommend trapping, because you recover the body instead of finding it later by smell.
- Seal the gaps properly — wire wool and mortar, metal door sweeps, steel mesh. Expanding foam alone is chewed through in days.
- Remove food and shelter — sealed bins, no pet food left out, cartons off the floor and away from walls.
Act on the first sighting. Rodents gnaw constantly, and chewed electrical cable is a genuine fire risk — that is the real urgency, not the noise.
Answered by Pest Orbit Pakistan — ISO 9001, ISO 14001 and ISO 45001 certified, IAF-accredited, Ph.D.-led pest control and fumigation in Karachi, Lahore and Islamabad.
We have rats in our shop and godown. What does a programme look like?
External stations to intercept them before they reach the building, internal monitors to prove nothing got past, and proofing so there is nothing to intercept.
For a retail or storage premises:
- External bait stations around the perimeter, numbered and mapped
- Internal monitors and traps — non-toxic where food or packaging is stored
- Proofing of shutters, personnel doors, drains and wall penetrations
- Stock discipline — goods off the floor, a clear inspection aisle along the walls, FIFO rotation, cardboard removed daily
- Scheduled visits with written records so you can show control if inspected
The most common cause we find in shops is straightforward: the back shutter left open during deliveries and the bin area against the wall outside. Fixing those two habits does more than any device.
Need it handled today? Pest Orbit Pakistan offers same-day response in Karachi, Lahore and Islamabad, with emergency support 24/7. Call +92 343 879 7046.
Answered by Pest Orbit Pakistan — ISO 9001, ISO 14001 and ISO 45001 certified, IAF-accredited, Ph.D.-led pest control and fumigation in Karachi, Lahore and Islamabad.
There are rats outside in the garden. Do we need to act?
Yes, but the work is outside rather than inside. Dealing with them at the boundary is far easier than after they have found a way in.
What attracts them to a garden: bird feed, fallen fruit, pet food bowls left out, open compost, bins without lids, standing water, and dense ground cover or stacked material for shelter.
What to do:
- Remove the food sources first — this alone moves most populations on
- Clear shelter: rubble, firewood, timber and equipment off the ground and away from walls
- Cut back dense ground cover and keep a clear strip along the boundary wall
- Fix leaks and standing water
- Proof the building now, before winter, rather than after they come in
- External bait stations where numbers justify it — tamper-resistant, and secured
Worth knowing: rats in the garden are also what attracts snakes, so the same work handles both.
Recommended for homes and businesses across Pakistan. Ph.D.-led IPM, registered products, and documentation when you need it. Free survey — +92 343 879 7046 or [email protected].
Answered by Pest Orbit Pakistan — ISO 9001, ISO 14001 and ISO 45001 certified, IAF-accredited, Ph.D.-led pest control and fumigation in Karachi, Lahore and Islamabad.
How are rodents handled in a restaurant kitchen?
Non-toxic monitoring inside, bait outside, and proofing as the permanent fix. Bait does not belong in a food preparation area.
How a food-premises programme is arranged:
- External tamper-resistant stations around the perimeter, numbered and mapped
- Internal non-toxic monitors and traps, checked on a schedule
- Proofing — door sweeps, sealed pipe openings, drain covers, and the gaps behind and under equipment
- Housekeeping — bins lidded, spillage cleared nightly, dry goods in sealed containers, cardboard removed
A rodent dying inside a kitchen creates its own contamination problem, which is the second reason internal control stays non-toxic. Food authorities expect the same.
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Is it a rat or a mouse, and does it matter?
It matters, because the entry gap you need to seal and the trap placement are different. Droppings are the quickest way to tell.
| Rat | Mouse | |
|---|---|---|
| Droppings | 12–18 mm, blunt or tapered | 3–6 mm, like rice grains |
| Gap it fits through | About a 10-rupee coin | Width of your little finger |
| Behaviour | Cautious of new objects; traps may take days | Curious; investigates quickly |
| Range | Travels further, often from outside | Stays close to shelter and food |
| Damage | Heavier gnawing, cabling, structure | Packaging, stock, wiring |
The practical difference: for mice, devices go close together near walls and shelter. For rats, they go along established runs and need more patience. Proofing standards differ too — a gap that stops a rat will still let a mouse through.
Want it done properly the first time? Pest Orbit Pakistan uses registered and approved products, at the correct dose, across the whole property — in Karachi, Lahore and Islamabad. See rat and mouse control.
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Bait or traps — which is better for rodents?
Traps indoors, bait outdoors. That single rule covers most homes and every food premises.
| Traps | Bait stations | |
|---|---|---|
| Best placed | Inside buildings | Outside, around the perimeter |
| Carcass | Recovered | May die inside a wall or void |
| Risk to children and pets | Low if placed correctly | Requires locked tamper-proof stations |
| Speed | Slower, needs more visits | Faster on larger populations |
| Food premises | Expected internally | Not permitted internally |
Why it matters in a home: a poisoned rodent often dies somewhere inaccessible, and the smell lasts two to three weeks. Trapping avoids that entirely, which is why we usually recommend it where there are children or pets.
Neither is the real answer on its own. Proofing is what stops the next one, and it is the best-value item in pest control because it keeps working with no chemical at all.
Not sure what you are dealing with? Pest Orbit Pakistan inspects free across Karachi, Lahore and Islamabad, with no obligation. +92 343 879 7046
Answered by Pest Orbit Pakistan — ISO 9001, ISO 14001 and ISO 45001 certified, IAF-accredited, Ph.D.-led pest control and fumigation in Karachi, Lahore and Islamabad.
Rats are getting into my car engine. What can I do?
They are after warmth and shelter, and the damage is to wiring rather than to the vehicle itself — which makes it expensive out of proportion to the pest.
It happens most in winter, in cars parked for long periods, and where the parking area backs onto a garden, waste area or open ground.
What reduces it:
- Move the car regularly — a vehicle used daily is far less attractive
- Keep the parking area clear of food waste, bins and stored material
- Do not leave food, wrappers or pet feed in the car
- Deal with rodents in the surrounding area — the car is a symptom, not the source
- Park with the bonnet open occasionally where safe, since light and disturbance deter them
The real fix is a rodent programme covering the property, because treating the vehicle alone changes nothing.
Not sure what you are dealing with? Pest Orbit Pakistan inspects free across Karachi, Lahore and Islamabad, with no obligation. +92 343 879 7046
Answered by Pest Orbit Pakistan — ISO 9001, ISO 14001 and ISO 45001 certified, IAF-accredited, Ph.D.-led pest control and fumigation in Karachi, Lahore and Islamabad.
How do I know whether I have rats or mice?
The droppings tell you immediately, and it matters because the two need different treatment.
| Rats | Mice | |
|---|---|---|
| Droppings | Large, up to 2 cm, few in number | Small, rice-grain size, many scattered |
| Sound | Heavy movement, gnawing, often at night | Light scurrying, scratching in walls |
| Gnaw damage | Substantial — wood, pipes, cables | Smaller, neater holes |
| Entry gap needed | About 2 cm | About 6 mm — a pencil width |
| Behaviour | Cautious of new objects | Curious, investigates readily |
The behaviour difference decides the method. Rats avoid anything new for days, so devices placed today may not be touched until later in the week — patience is part of the plan. Mice investigate quickly, so results come sooner.
The gap sizes matter for proofing. Sealing to rat standard still leaves a building open to mice.
Photograph the droppings and send them — identification is usually possible without a visit.
For more information contact Pest Orbit Pakistan. Rodent control — free inspection in Karachi, Lahore and Islamabad.
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How quickly can rats multiply?
Fast enough that a fortnight of delay genuinely changes the size of the job. A pair can become dozens within a few months.
Rats reach breeding age in a few months and produce several litters a year, each with multiple young, and the young breed in turn. The growth compounds rather than adding.
What this means in practice:
- Acting on the first sighting is materially cheaper than acting at the third
- Seeing one in daylight often means the population is large enough that competition is pushing individuals into the open
- A seasonal move indoors in autumn becomes a resident breeding population by winter
The other reason not to wait is damage. Rats gnaw continuously to manage their teeth, and electrical cable is a common target — which makes this a fire risk as well as a hygiene one. They also damage pipework, insulation and stored goods.
If you have seen droppings or heard movement in a ceiling or wall, treat it as current, not occasional.
For more information contact Pest Orbit Pakistan. Book a free inspection — +92 343 879 7046.
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What diseases do rats carry in Pakistan?
Enough to treat any rodent activity in a kitchen or food area as urgent — and most transmission happens through contaminated surfaces rather than bites.
Rodents contaminate through urine, droppings and fur as they travel across worktops, stored food and utensils. A rat crossing a work surface leaves contamination whether or not anything is visible afterwards.
Where the risk concentrates: food preparation surfaces, stored food and packaging, water tanks and drinking water, and dust in enclosed spaces where droppings have accumulated.
Practical precautions:
- Do not sweep dry droppings — dampen the area first, then clean, so dust is not raised
- Wear gloves, and wash hands thoroughly afterwards
- Discard any food or packaging that has been gnawed or contaminated
- Disinfect surfaces properly, not just wipe them
- Have water tanks cleaned if there is any possibility of access
Beyond health there is the fire risk — rodents gnaw electrical cable continuously.
If anyone becomes unwell after known rodent exposure, mention the exposure to the doctor.
For more information contact Pest Orbit Pakistan. Rodent control and tank cleaning — +92 343 879 7046.
Answered by Pest Orbit Pakistan — ISO 9001, ISO 14001 and ISO 45001 certified, IAF-accredited, Ph.D.-led pest control and fumigation in Karachi, Lahore and Islamabad.