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![[Experimental animals]-Feeding and management of experimental rats](/./uploads/images/default/default.png)
Rats are very sensitive to environmental factors. Fluctuations and sudden changes in temperature and humidity may be important sources of stress and easily promote the development of conditional pathogen infections...
2020-07-28![[Experimental animals]-Feeding and management of experimental nude mice](/./uploads/images/20200728/cdbd0b796cce1.jpg)
Theoretically, protection is to use female and male mice with nu/nu genes as targets for protection and reproduction, but replication in this way will result in low pregnancy rates and low fertility. Go down. Therefore, hairless male mice and hairy f...
2020-07-28According to reports, tumors capable of synthesizing immunoglobulin exist in dogs, horses, hamsters, rats and mice. Except for rats and mice, these tumors are only accidentally found in other animals, so they have not been widely used in research. In...
2020-07-28The main Tibetan monkey is a wild primate protected by the state in China. It is called the Sichuan monkey and is a large green monkey belonging to the monkey family. The Tibetan long monkey is rugged, it is the largest monkey in China...
2020-07-28Mendel (Mendel, 1865), as an indicator of the hybridization experiment, the color (white and purple) and seed shape of the pea flower (using 7 sets of relative attributes, such as complete circle and contraction). , Got Mendel’s inheritance law. The ...
2020-07-28The filaments in the cell nucleus observed with an optical microscope are called chromosomes. The number and morphology of chromosomes vary from species to species. Genes are arranged on chromosomes. The chromosomes composed of DNA, histones and non-...
2020-07-28In order for a species to survive in nature, it must reproduce, produce organisms similar to itself, and ensure that the species is passed on from generation to generation. This consistency between the next generation in form, characteristics and phy...
2020-07-28Mousepox is a serious infection caused by mousepox virus that infects experimental mice. This disease is mostly fulminant, has a high mortality rate, and is harmful. The clinical manifestations are systemic or local skin diseases, swelling, ulcers, n...
2020-07-28For specific methods for detecting microorganisms and parasites in laboratory animals, please refer to \"National Standard Laboratory Animal Microbiological Test Methods\" (GB/T14926.1?14926.64) and \"National Standard Laboratory Anima...
2020-07-28Class 1 common animal (CV) refers to common animals in which microorganisms are not subject to special control. The pathogens of zoonotic diseases and the few severely infected pathogens in laboratory animals must be excluded. In order to prevent inf...
2020-07-28Different national standards divide laboratory animal facilities into two types according to their functions and purposes. Laboratory animal breeding, production facilities and animal testing facilities....
2020-07-28In the management of laboratory animal facilities, personnel management is the most important and core of management. If the management is not strict, problems are likely to occur. There are many lessons. People act in violation of regulations, enter...
2020-07-28The General Administration of Civil Aviation of China and other institutions that supervise the transportation of fresh and live animals must fully understand and strictly implement laboratory animal transportation....
2020-07-28Special animal experiments that use chemical substances for safety testing will have certain effects on the health of experimenters and related personnel, such as carcinogens. Its facilities and equipment are harmful to humans and pollute the experim...
2020-07-28The classification of all model organisms is very different, but they also have some common characteristics. First, these organisms are highly adaptable, easy to feed, fertile, and easy to obtain large amounts of test substances. Secondly, these biol...
2020-07-28Before accepting mice, you need to understand the most basic mouse handling skills. Treat mice as gently as possible, especially if you are pregnant, about to be born or planning a new breeding program. You can read a book called \"Genetic Stand...
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