Rigan Xu, Chinese reproductive biologist (Hinggan League, Inner Mongolia Autonomous Region 24 August 1940 –

Authored over 20 papers and books

With Japanese researchers succeeded the cultivation of the first in vitro fertilization goat in the world (1984)

Proposed a series of comprehensive techniques that facilitated the large-scale production of test-tube calves and lamb embryos

Chinese patents

With Z.G. Wang & D.J. Liu. Nucleotide sequence of coding region of cDNA gene coding phosphoinositide-dependent protein kinase 1 (PDK1) of cashmere goats. CN101993882 (2009)

With Z.G. Wang & D.J. Liu. Goat FAK gene cDNA code area nucleotide sequence CN101565711 (2008)