Because androgen in boar usually brings on the smell of mutton and subsequently affects pork quality, the piglets are usually castrated before fattening in pork industry in China.

• 摘要[目的]为了避免公猪因含雄性激素、有难闻的腹气味而影响肉的品质，同时能够充分发挥小公猪生长发育快的潜力。