Mice mature early, and usually begin to reproduce a few months after birth. It can breed several times a year and give birth to about ten cubs at a time. Strong adaptability, wide distribution and many kinds. According to statistics, there are about 480 species of rodents in the world and 34 species in China.

Rats are mammals, rodents, rodents, commonly known as "rats", which are the fastest-reproducing and highly viable animals among mammals. There are about 3000 kinds of mice in the world, and their footprints can be seen indoors and outdoors.

Its main characteristics are that its body is conical, without canine teeth, there is a gap between incisors and premolars or molars, incisors are developed, rootless, life-long growth, and ordinary teeth are shortened; Act quickly; Plants are staple food, and some are omnivorous; There are many kinds. The mouse is a kind of rodent, and its size is large and small. There are many kinds of mice, there are more than 450 kinds in the world.

Mouse is one of the most primitive mammals in existence. They are energetic, numerous, extremely fast in reproduction and highly adaptable. They can eat almost anything and live anywhere. Rats can dig holes, climb trees and spread diseases such as plague, epidemic hemorrhagic fever and leptospirosis. However, mice provide countless experimental data of drugs.

References:

Mouse _ Baidu encyclopedia