There are thousands of livestock, e.g., yaks, sheeps and goats, as well as wild herbivore, e.g., Tibetan antelope, kiang, wild yak, mongolian gazelle, etc. As a middle link of food cycle in a special geography, understating the sequence of Vulpes corsac PrP may help for evaluation its potential in the circulation of prions, e.g., scrapie, in a special region. Here, PRNP is linked to scrapie.