It is spread mainly by fecal droppings by rats and mice. Rat Bite Fever — is caused by a bacterium which can live in the saliva of both rats and mice. It has flu like symptoms that can last for days and is sometimes fatal. Leptospirosis, Lymphocytic choriomeningitis, trichinosis, typhoid, dysentery as well as others. Roof Rats and Norway Rats almost always leave signs that can lead to their discovery. Don’t Buy Retail Roof Rat and Norway Rat Baits! Most over the counter baits sold at hardware stores and retailers do not contain the same attractants or active ingredients as professional use baits.
Although the packaging and advertising may appear convincing, millions of dollars are wasted by consumers annually on over the counter rodent bait products that simply do not work. Professional Quality rat and mouse control and bait products at the lowest possible price. There are 3 main species of rats and mice that are of significance in the United States. Unlike Norway rats,their tails are longer than their heads and bodies combined. Roof rats are very agile climbers and usually live and nest above ground in shrubs,trees, and dense vegetation such as ivy. In buildings, they are most often found in enclosed or elevated spaces in attics, walls, false ceilings, and cabinets. The roof rat has a more limited range than the Norway rat, preferring ocean-influenced, warmer climates.
In areas where the roof rat habitats, the Norway rat may also be present. Roof rats eat a wide variety of foods, but their food preferences are primarily fruits, nuts, berries, slugs, and snails. Roof rats are especially fond of avocados and citrus and often eat fruit that is still on the tree. When feeding on a mature orange, they make a small hole through which they completely remove the contents of the fruit, leaving only the hollowed out rind hanging on the tree. The rind of a lemon is often eaten, leaving the flesh of the sour fruit still hanging. Their favorite habitats are attics, trees, and overgrown shrubbery or vines. Residential or industrial areas with mature landscaping provide good habitat, as does riparian vegetation of riverbanks and streams.
Roof rats prefer to nest in locations off the ground and rarely dig burrows for living quarters if off-the-ground sites exist. Roof rats routinely travel up to 300 feet for food. They may live in the landscaping of one residence and feed at another. They can often be seen at night running along overhead utility lines or fence tops. They have an excellent sense of balance and use their long tails for balance while traveling along overhead utility lines. They move faster than Norway rats and are very agile climbers, which enables them to quickly escape predators.
They may live in trees or in attics and climb down to a food source. The average number of litters a female roof rat has per year depends on many factors, but generally is three to five with from five to eight young in each litter. Their burrows are found along building foundations, beneath rubbish or woodpiles, and in moist areas in and around gardens and fields. Nests may be lined with shredded paper, cloth, or other fibrous material. When Norway rats invade buildings, they usually remain in the basement or ground floor. The Norway rat occurs throughout the 48 contiguous United States. Generally it is founds at lower elevations but may occur wherever people live.
Norway rats eat a wide variety of foods but mostly prefer cereal grains, meats, fish, nuts, and some fruits. 300 feet from their burrows or nests. The average female Norway rat has four to six litters per year and may successfully wean 20 or more offspring annually. Norway rats may undermine building foundations and slabs with their burrowing activities. They may also gnaw on all types of materials, including soft metals such as copper and lead as well as plastic and wood. If roof rats are living in the attic of a residence, they can cause considerable damage with their gnawing and nest-building activities. They also damage garden crops and ornamental plants.
They can flatten themselves out and squeeze through the smallest of openings, even under closeddoors. If the hole is not big enough, they can easily chew it or gnaw it to a large enough size so that they can get through. This is why your strategy for rat or mice control always starts on the outside of the structure. The first thing to do is to make sure that there are no holes that the rodents can get through. Check all plumbing and electrical entrances, doors, folding garage doors, etc. If the hole is not big enough, the rats or mice will gnaw it to make it bigger. Rats must constantly gnaw and sharpen their teeth to keep them filed down. Rats teeth grow an average of 7 inches per year. This is why they constantly gnaw and chew. Outside rodent «Exclusion»is very simple in most cases. These predator urines create a natural barrier that simply scares away rodents.