When it comes to "white mice", most people's first reaction is "experimental objects". Due to their genetic similarity to humans, as well as their extremely strong fecundity and sufficient numbers, they have become laboratory animals. Frequent visitors, there are approximately tens of millions of mice used in scientific experiments every year.
White mice are easy to use, but after all, they only have a lifespan of two or three years. When conducting some experiments that require long-term observation, we Our primate relatives, the macaques, have to come into play. According to statistics, millions of monkeys have died in scientific experiments around the world, and this number is growing every year. Especially after various countries banned the use of chimpanzees and other great apes for medical experiments, experimental monkeys, mainly macaques, The number is increasing, and now there are about 60,000 experimental monkeys in the United States and about 10,000 in Europe every year.
