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Rodent Pest Control

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South African Rodents

This list is non-exhaustive

A rodent can contribute to the spread of disease both directly and indirectly and can do a great deal of structural damage to a building. Rats are incredibly persistent creatures that will find their way into your home or business through the tiniest of spaces to seek food and warmth.

The effects of a rat infestation in your home can be far reaching and very troublesome. They can chew through insulation, floor supports, walls and even electrical cables. A rodent’s burrowing ability can undermine and even cause a collapse of retaining walls and other similar structures.

Flick Pest Control_Black Rat, Rattus Rattus, In Front Of White Background
Flick Pest Control_Black Rat, Rattus Rattus, In Front Of White Background
Rodent Pest Control
Flick Pest Control_Black Rat, Rattus Rattus, In Front Of White BackgroundRodent Pest Control

Identification & Physical Description

Black rats are long and thin rodents that have large eyes and ears, a pointed nose and a scaly tail. They have soft and smooth fur that is brown with intermixed spots of black. Their undersides are often white, gray or black.

Life Cycle

The life cycle of a black rat can be from a year to 18 months. During this period, the female can typically breed 6 times with an average litter of 6-8.

Food & Water

Black rats are omnivores and eat a wide range of foods, including seeds, fruit, stems, leaves, fungi, and a variety of invertebrates and vertebrates.

Social Behaviour

Black rats tend to live in polygynous groups with multiple males and females. These animals strip bark off of trees, contaminate human food sources, and are overall pests.

Nesting

Black Rats are born in a nest in a litter of 6-8 young. The nest is often in a secure place with nesting debris such as in an attic in the insulation. They are born tiny and hairless (pinkies), with eyes sealed shut.

Health Risks

Black rats can carry a number of pathogens, of which bubonic plague , typhus, Weil’s disease, toxoplasmosis and trichinosis are the best known.

Interesting Facts

Medieval Pope Gregory IX considered cats to be the ‘incarnation of Satan’. Leading to a mass killing of cats, causing the rat population to swell, quickening the spread of the Black Death.

Flick Pest Control_close-up Young Rat (Rattus Norvegicus) Stands On Its Hind Legs And Looking Up
Flick Pest Control_close-up Young Rat (Rattus Norvegicus) Stands On Its Hind Legs And Looking Up
Flick Pest Control_Norway Rat With 5 Day Old Pup
Flick Pest Control_close-up Young Rat (Rattus Norvegicus) Stands On Its Hind Legs And Looking UpFlick Pest Control_Norway Rat With 5 Day Old Pup

Identification & Physical Description

Brown or dark grey color, and the underside a lighter brown to light grey.

The head and body length ranges from 15 to 28 cm while the tail ranges in length from 10.5 to 24 cm, therefore being shorter than the head and body.

Adult weight ranges from 140 – 500g. Exceptionally large individuals can reportedly reach 900 -1,000g but are not expected outside of domestic specimens. Reports of rats attaining sizes as big as cats are exaggerations, or misidentifications of larger rodents, such as the coypu and muskrat. In fact, it is common for breeding wild brown rats to weigh (sometimes considerably) less than 300g.

Life Cycle

The gestation period is 21 days, and litters can number up to 14. They reach sexual maturity in about five weeks and the maximum life span is three years.

Food & Water

They will eat any food that is left unprotected. Brown Rats have also been known to eat grain or kill insects, water creatures such as snails, fish and mussels, small birds and reptiles for food.

Social Behaviour

Brown rats are capable of producing ultrasonic vocalizations. As pups, young rats use different types of ultrasonic cries to elicit and direct maternal behavior.  Although pups will produce ultrasounds around any other rats at 7 days old, by 14 days old they significantly reduce ultrasound production around male rats as a defensive response. Adult rats will emit ultrasonic vocalizations in response to predators or perceived danger. The frequency and duration of such cries depends on the sex and reproductive status of the rat. The female rat will also emit ultrasonic vocalizations during mating.

Brown rats also produce communicative noises capable of being heard by humans. The most commonly heard in domestic rats is bruxing, or teeth-grinding, which is most usually triggered by happiness, but can also be ‘self-comforting’ in stressful situations, such as a visit to the vet. The noise is best described as either a quick clicking or ‘burring’ sound, varying from animal to animal.

In addition, they commonly squeak along a range of tones from high, abrupt pain squeaks to soft, persistent ‘singing’ sounds during confrontations.

Rats are territorial animals, meaning that they usually act aggressively or scared of strange rats. Rats will fluff up their hair, hiss, squeal, and move their tails around when defending their territory. Rats will chase each other, groom each other, sleep in group nests, wrestle with each other, have dominance squabbles, communicate, and play in various other ways with each other. Huddling is an additional important part of rat socialization. Huddling is often supposed to have a heat-conserving function. Nestling rats especially depend on heat from their mother, since they cannot regulate their own temperature.

Nesting

Brown rats in particular will dig rat holes in areas of a garden to create rat burrows where they will nest, store food and raise young rats.

Health Risks

Brown Rats carry diseases which can be easily spread to humans, rats transfer diseases like Leptospirosis or Weil’s disease, Salmonella, Listeria, Toxoplasma gondii and Hantavirus. Brown Rats can also inflict a great amount of structural damage.

Interesting Facts

Rats succumb to peer-pressure, just like humans. Brown rats are prone to disregard personal experiences in order to copy the behaviour of their peers. The urge to conform is so strong that they will even choose to eat unpalatable food if they are in the company of other rats who are eating it.

The only brown rat-free areas in the world are the continent of Antarctica, the Arctic, some isolated islands, the Canadian province of Alberta, and certain conservation areas in New Zealand.

Rodent Pest Control
Rodent Pest Control
Rodent Pest Control
Rodent Pest ControlRodent Pest Control

Identification & Physical Description

House mice have an adult body length (nose to base of tail) of 7.5–10 cm and a tail length of 5–10 cm. The weight is typically 40–45 g. In the wild they vary in color from grey and light brown to black. They have short hair and some, but not all, sub-species have a light belly. The ears and tail have little hair.

Life Cycle

House mice usually live less than one year in the wild, due to a high level of predation and exposure to harsh environments. In protected environments, however, they often live two to three years.

Food & Water

A mouse eats seeds, cereal grains, or sweets but will eat almost anything. Mice do not need much water; they get most of their water requirements from their food

Social Behaviour

The social behavior of the house mouse is not rigidly fixed into species-specific patterns but is instead adaptable to the environmental conditions, such as the availability of food and space. This adaptability allows house mice to inhabit diverse areas ranging from sandy dunes to apartment buildings.

House mice have two forms of social behaviour:

  1. House mice in buildings and other urbanized areas with close proximity to humans are known as commensal. Commensal mice populations often have an excessive food source resulting in high population densities and small home ranges. This causes a switch from territorial behaviour to a hierarchy of individuals.  The social unit of commensal house mouse populations generally consists of one male and two or more females, usually related. These groups breed cooperatively, with the females communally nursing.
  2. In open areas such as shrubs and fields, the house mouse population is known as noncommensal. These populations are often limited by water or food supply and have large territories. Aggression is higher in noncommensal populations.

Both commensal and noncommensal house mouse males aggressively defend their territory and act to exclude all intruders. Males mark their territory by scent marking with urine. In marked territories, intruders showed significantly lower aggression than the territory residents. House mice show a male-biased dispersal; males generally leave their birth sites and migrate to form new territories whereas females generally stay and are opportunistic breeders rather than seasonal.

Nesting

The mouse nest is made usually of scrap materials, gathered after a lot of chewing on various fabric the nest provides shelter and security for female mice to give birth to the new litter.

Health Risks

While the common house mouse is not as dangerous to your health they can still spread disease, such as hantavirus, salmonellosis and listeria through their urine, droppings, saliva and nesting materials.

How rodent pest control works

Inspection

A qualified Flick inspector will call at a time to suit you, to carry out a thorough inspection. Years of experience in the field and specialised training have equipped him to know just what to look for. He will then identify the rodent species and size of
the infestation, their food and water sources and method of access. All these are essentials that must be known to decide on the best control measures.

He will provide you with a comprehensive obligation free quotation for treatment.

This of course carries the Flick Warranty – if re-infestation occurs during the warranty period, additional treatment will be provided free of charge.

Sanitation

Sanitation and hygiene are absolute musts if the control program is to be effective. The elimination of rat harbourage locations, food and water sources and the general cleanliness of the area are all essentials. Garbage heaps, old machinery, timber piles, weed growth and general litter should be removed. Garbage must be kept in rat-proof cans with tight-fitting lids and a well-organised and supervised cleaning and maintenance plan must be adhered to. Here again, the Flick inspector can help. He will provide expert advice on the action required to minimise the risk of re-infestation.

Treatment

The suspicious and cunning nature of rodents can result in the treatment being a very specialised process. Most treatment methods involve the laying of special baits depending upon the type, size and food source of the infestation. Other methods such as tracking powders and traps may also be used.

Flick Pest Control has developed a wide variety of bait types, which have all been thoroughly tested in the field and proven successful!. In situations where the rodent is not taking the bait or appears to have a resistance to it, the Biologists and Entomologists from the Company’s Technical Services Department will develop a “tailor-made” treatment method to suit the particular situation.

The safety of humans and pets and the non-contamination of food and other materials is paramount. The controi method is always determined with these factors in mind.

Signs of a Rodent Problem

RODENT SIGHTINGS
The most obvious sign that a problem might exist is sightings of a single or multiple rodent.

RAT DROPPINGS
Rodent droppings are dark brown in a tapered, spindle shape – like a grain of rice.

GNAW MARKS
You might notice gnaw marks on wires, cabling or items.

RAT HOLES
Some rats are known for burrow extensive tunnels for shelter, food storage and nesting.

RAT NESTS
Most rodents will shred available materials such as insulation, cardboard and other soft items to make nests.

FOOTPRINTS
Rodents leave foot and tail marks in dusty, less-used areas of buildings.

Interesting rodent facts

  • Rodents do not vomit.
  • Rat baiting, a popular sport in 19th-century London, pitted a man or a dog against hundreds of rats. Jacko, a 13-pound bull terrier, set the record in 1862 when he killed 100 rats in 5 minutes, 28 seconds.
  • Rats do not sweat. They regulate their temperature by constricting or expanding blood vessels in their tails.
  • Rats don’t have gallbladders or tonsils, but they do have belly buttons.
  • A female rat can mate as many as 500 times with various males during a six-hour period of receptivity—a state she experiences about 15 times per year. Thus a pair of brown rats can produce as many as 2,000 descendants in a year if left to breed unchecked. (A rat matures sexually at age three to four months.) An average rat’s life span is two to three years.
  • A rat can tread water for three days and survive being flushed down the toilet. (And it can return to the building via the same route.)
  • A Hindu temple dedicated to the rat goddess Karni Mata in Deshnoke, India, houses more than 20,000 rats. Many people travel far to pay respect to the rats, which are believed to be reincarnations of Karni Mata and her clansmen.
  • A rat can go longer than a camel without having a drink of water.
  • Without companionship rats tend to become lonely and depressed.
  • The naked mole rat is unable to feel pain, is the only known thermoconforming mammal, is resistant to cancer, and possesses extraordinary longevity for a rodent.
  • Giant rats have been trained to sniff out 14,000 landmines and other unexploded arsenals. The rats, which undergo nine months training, are light enough to not trigger the explosives. They literally work for peanuts!
  • African giant pouched rats are trained to detect tuberculosis, which is the world’s second most fatal infectious disease. Although they currently are not an accepted standalone diagnostic tool, one rat can evaluate more samples in 10 minutes than a lab technician can evaluate in 1 day.
  • The first living creatures to go into orbit and return safely were 40 mice, two rats, a rabbit, some fruit flies, plants, and 2 dogs.
  • Rats ate 10% of Pablo Escobar‘s money per annum, amounting to $2.1 billion

The 3-step plan to avoiding rodent infestations

Manage Access To Food & Water

Store food securely in airtight containers.

Clean up spills and debris

Clean up any spills or crumbs immediately after they occur.

Don't give them access

Fill up and seal any cracks in doors, window frames or walls.

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