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Tetramethylenedisulfotetramine (TETS) is an organic compound used as a rodenticide (rat poison). [2] It is an odorless, tasteless white powder that is slightly soluble in water, DMSO and acetone, and insoluble in methanol and ethanol.
Brown rats are dichromats which perceive colors rather like a human with red-green colorblindness, and their colour saturation may be quite faint. Their blue perception, however, also has UV receptors, allowing them to see ultraviolet lights that humans and some other species cannot.
Rodents are disinclined to gorge on an unknown food (perhaps reflecting an adaptation to their inability to vomit), [3] preferring to sample, wait and observe whether it makes them or other rats sick. [4] [5] This phenomenon of poison shyness is the rationale for poisons that kill only after multiple doses.
Pet rats do not pose any more of a risk of zoonotic diseases than pets such as cats or dogs. [21] Tamed rats are generally friendly and can be taught to perform selected behaviors. Selective breeding has brought about different color and marking varieties in rats. Genetic mutations have also created different fur types, such as rex and hairless.
The fancy rat (Rattus norvegicus domestica) is the domesticated form of Rattus norvegicus, the brown rat, [1] and the most common species of rat kept as a pet.The name fancy rat derives from the use of the adjective fancy for a hobby, also seen in "animal fancy", a hobby involving the appreciation, promotion, or breeding of pet or domestic animals.
The ripe seeds look like flattened disks, which are very hard. These seeds are the chief commercial source of strychnine and were first imported to and marketed in Europe as a poison to kill rodents and small predators. Strychnos ignatii is a woody climbing shrub of the Philippines. The fruit of the plant, known as Saint Ignatius' bean ...
For instance, this family, who is teaching their pet rats to drive a tiny car. View the original article to see embedded media. The idea that a rat has a good sense of direction is not an unusual one.
Black rats (or their ectoparasites [28]) can carry a number of pathogens, [29] of which bubonic plague (via the Oriental rat flea), typhus, Weil's disease, toxoplasmosis and trichinosis are the best known. It has been hypothesized that the displacement of black rats by brown rats led to the decline of the Black Death.
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