Abstract: The progress in researches of animal genetic resources development during last 20 years in Institute of Animal Sciences of the Chinese Academy of Agriculture Sciences (IAS, CAAS) was reviewed. mainly introduce The animal genetic resources research on a molecular level (including research on affecting meat quality gene in Chinese mini-pig, study on Beijing fatty chickens, study on genetic diversity research on livestock and poultry), establishment of somatic cell bank,construction of condition platform of science and technology resources,living body conservation of livestock and poultry resources and international cooperation were described.

Key words: Animal germplasm resources , Chinese mini-pig , Beijing fatty chickens , Ggenetic diversity , Somatic cell bank , Construction of condition platform of science and technology resources