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Mice are small mammals belonging to the order of rodents, sharp nose, tail hairless features or nearly naked long ears and small rounding. Mouse of common house mouse species of the most well-known is (Mus musculus). It is also popular pets. In some places, it is also common in certain types of field mice. This rodent is eaten by large birds such as hawks and eagles. That invade the house for shelter and sometimes food is known to them. I live in the house of sometimes deer mouse rodent such as a mouse all over the world and (Peromyscus leucopus) white mouse movement in the United States as well (Peromyscus maniculatus), also, species other common. However, they are a genus other.

cat, wild dogs, foxes, birds of prey, even arthropod and snake, prey heavily on the mouse certain types are known. However, because of its remarkable adaptation, mouse is one of the living genus of mammal most successful Earth today.Mice on, causing damage to the sometimes structural, can damage spreading, the crop in almost any environment, The disease through fecal parasites and they will be able to eat and to pests. In North America, inhalation of powder is in contact with feces of rats was associated with Hunt, can lead to hunting pulmonary syndrome (HPS). The mouse, in order to compensate for the sight of the sense of hearing, in order to avoid predators to find the food, animal nocturnal, relies especially on sense of smell mainly. It is a laboratory test animals used mouse, rat, the most commonly. In the wild, mouse, to build a complex hole. Has a long entrance usually, these holes, has an escape tunnel / pathway. The architectural design of the hole, there is some evidence of a new study showing that it is a result of what was written in the DNA of mice previously ground.

You may estrus their first in 25-40 days, but it reeding begins about 50 days after the age for men and women and for women. Mouse is a round polyestrous, ovulation several years breed is voluntary. At 4 to 5, keratin itself occurs at night, period of estrus cycle lasts about 12 hours. To determine the stage of the estrous cycle, vaginal smears are useful in time mating. Normally, the assembly can be confirmed by the presence of vaginal plugs in the vagina to the up to 24 hours after mating, or a night. The presence of sperm is a reliable indicator of mating in the vagina smear.

Female mice housed together enters anestrous I tend not to cycle. If you are exposed to pheromone of male mice or male mice, most women will go into estrus in about 72 hours. This synchronization of the estrous cycle is known as the Whitten effect. You can prevent the phenomenon called (false pregnancy) or injection, and Bruce effect the exposure of mouse breeding in recent pheromone of strange male mice.

The average gestation period is 20 days. Fertile estrus delivery generates a 14-24 hour after birth, extending 3 to 10 thanks to pregnancy injection of both breastfeeding and pregnant delay. The size of the pitch of 10-12 of optimal production in the average is, relies high strain. As a general rule, inbred mice, tend to have a longer gestation period is less cross-liter, than the hybrid mouse. Young, it is called the small, weight at birth (0053 ounces to 0018) from 0.5 to 1.5 grams, is hairless, it has the ear and eyelids closed. Cannibalism is rare, but women should not be disturbed for at least two days during labor and after delivery. It is weaned at 3 weeks of age, it is (42 minutes 12:00 pm 35 minutes ounce 0:00) 10-12 grams of weaning weight thing. If the postpartum estrus is not in use, women cycling resume 2-5 days after weaning.  newborn male mice are distinguished from the female newborn by noting the large genital papilla and anogenital distance than in men. This is accomplished by lifting the tail of the litter of the best, to compare perineums.

Because they share a high degree of homology with humans, they also, is a mammal, for certain, mice are laboratory animals common in psychology and biology mainly. More typically, they are model mammal most commonly used from the rats. The mouse genome sequencing, gene of the mouse almost all have a human homolog. They also can be operated in a way that it would be carried out in (please note the animal rights) human is the unethical. Knockout mice are mice with one or more genes of the gene because of genetic inoperable knockout.There More used in laboratory mice. Mice can be reproduced quickly small, inexpensive, maintenance and is easy. Several generations of mice can be observed in a relatively short time. To raise from birth, the mouse is very docile in general if there is contact with sufficient human. However, some strains are known, it is very picky. Rats and mice, but not in the same place, it is the integral of different sizes.