Under the condition of artificial cultivation, the serum level of testosterone (T) in Amur sturgeon increased following the age from 1-year to 4-year and began to decrease at 5-year.

• 人工养殖条件下，施氏鲟血液中睾酮(Testosterone，T)的含量随着年龄增长而增加，从1龄到4龄T含量是处于上升状态，到5龄时表现了下降趋势。