In this article, we have covered almost all of the popular rat varieties that people love adopting. When it comes to blue rats, there are mainly of two types, Russian blue and Slate blue. Genetics: The Charles river hairless mutation annuls cell proliferation in the hair matrix and affects keratinocyte differentiation in the hair follicle and in the skin (Panteleyev and Christiano 2001, Ahearn et al. In non-agouti rats, each hair has the same single solid colour. Long Hair Fancy Mice come in the same array of colors and patterns as the Standard Variety. You can even train your rats to perform tricks, come when they are called, go through an agility course or maze, or walk on a leash. There are plenty of other rat varieties that are not mentioned in this article, but they do exist. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. Nude rats grow at only 60-80% of the rate of normal rats (Festing et al. Nobody knows for sure how rex and wavy are related to these four mutations. Different varieties require a different kind of care. Guard hairs, for example, have a faster growth rate than down hairs, and they end up longer. Hence, special care should be taken to keep the pet rat warm. Pellets made specifically for rats should make up the bulk of their diet. Coat is thinner and less curly than rex rats, though wavy rats and rex rats can be hard to tell apart. Their hairs are easier to pluck out than in normal rats and rex rats. In truth, there are a lot of different genes around the world that can cause a rex fur mutation. The first Rex rats in the US came around a bit before 1983 and were acquired from private sellers, universities, or specialized pet shops. Ragged is a single, recessive trait (rg) (Noguchi 1990). After the follicle shuts down, the follicle enters the telogen phase, a resting phase during which the hair is free to fall out. This mutation results in the colour of the coat to appear browner. In truth, all types of fancy rats belong to one single rat species called Rattus Norvegicus, also known as the “Brown Rat”. “First of all, rats are social animals that do best with a cage-mate — or two or three!” says Ducommun. The end result is that many or all of the hairs are shorter than usual. In truth, all types of fancy rats belong to one single rat species called Rattus Norvegicus, also known as the “Brown Rat”. These rats are also popularly known as top-eared rats. However, if you think that this is all there is to the rat world, then you are absolutely wrong. Apart from this, people also believe that Dumbo rats are friendlier and have a longer lifespan when compared to the standard rats. Anagen phases may vary in duration, and the rate of growth during the anagen phase may differ. Ducommun says that rat rescues are excellent places to get pet rats, adding that “they will often have babies for adoption from accidental litters.” She also says that “animal shelters in large cities commonly have rats who need homes.” On the other hand, Ducommun warns, “most rats sold in pet shops are for snake food and may not be healthy or properly socialized.”. Chronic nephrosis progresses differently in male and female fuzzy rats. 1996, Baxter and Brissette 2002). Then some of them stop multiplying and join the growing column of the hair shaft. Longevity: In one longitudinal study of the health of fuzzy rats all males and 80% of the females were debilitated by kidney failure and were eventually euthanized. Homozygotes (ReRe, known as patchwork, semi-hairless, or double-rex) develop just like rex rats until about four weeks of age, when the coat is rapidly lost. The natural colour of rats is known as agouti, which is a brown colour made by banded hairs in black, grey, brown, and orange. In any case, the colour of the coat turns brown as they age, get ill or receive a poor diet. Small amounts of fresh fruits and vegetables make ideal rat treats. 1995). SATIN – Thinner, longer coat, with a lustrous sheen. Since all these varieties are bred from a single species, there is not much difference in their personalities. In the wild, they all feature one body shape, one type of coat, and are mostly of the same colour. 2002). Festing et al. They require a normal diet and are very intelligent in nature. A mutation called shorn may involve an error in the gene that codes for keratin, which leads to hairlessness (ongoing research, T. King, J. Mulrooney, R. Rollin, and K. Martin-Troy). The Hoxc gene complex is responsible for normal hair development in mice (Godwin and Capecchi, 1998), and krt2 encodes the basic keratins, the major protein component of mammalian hair. All brown rats have tails that are roughly as long as their bodies. There is absolutely no answer to which variety of rat is the best. Breeding since 2008. They even have a popular nickname of sheep-rats. Therefore, if you wish to have hairless rats as pets, then it is extremely important to find a breeder whose rats have healthy genes. All rights reserved. Where do these coat differences come from? All photographs, graphics, text and sounds on this website are Copyright © 2003, 2004. Instead, the anagen growth phase passes like a wave from nose to rump, and from belly to back. Even though this is a popular variety of pet rats, adopting them is not possible in some countries. For instance, some associations such as the National Fancy Ray Society in the UK have completely banned hairless rats from their display. It is very important that you establish a relationship with a veterinarian who has experience treating rats. Hence, special care needs to be taken to avoid eye problems caused by tightly curled or almost absent eyelashes. In any case, they are very friendly and tend to become much-tamed pets. Cages should also be outfitted with the following: Even if you put together the ideal habitat, your rats need at least 20-30 minutes outside of the cage every day. Since having a tail is important for maintaining body balance, Manx rats may face difficulty in managing themselves and may need additional care. That year, they were standardized by the National Fancy Rat Society, thus starting their spread around the world. Rats with standard coats have a smooth glossy coat, which is made up of short straight hairs. An example of such a mutation is the nude mutation in rats (Rowlett nude (rnu), New Zealand nude (nznu)), which leads to skin anomalies, hairlessness, failure to develop a thymus, lactation problems, kidney failure and so forth.

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