1. The litter size of Tibetan fragrant pigs and sows will be relatively small, generally around 6, and then the litter size of Tibetan fragrant pigs will be around 8 from the second birth.

2. Tibetan fragrant pig, also known as "Ginseng pig" and "Potentilla anserina pig", is a kind of livestock and poultry breed, an ancient livestock and poultry breed resource unique to western Sichuan Plateau, Yunnan, Tibet, Gannan, Gansu and Minxian, and an original ecological lean pig breed in Tibet, belonging to the category of external grazing.