To about 60 days ofculture, the average daily feed amount value reached the most, followed by a platformperiod of 30 days and a reduction thereinafter.

• 即随着养殖时间的推移,饲料日平均投喂量逐渐增大,到养殖60 d左右,饲料日平均投喂量达到了最大值,然后进入一个平台期,平台期大约维持30 d左右,随后饲料日平均投喂量逐渐减少。