Different amount of cysteamine (10mg, 40mg, 70mg, 100mg, 130mg per kg of body weight BW) were added respectively at 5 different time intervals (1d, 3d, 5d, 7d and 9d).

• 在五个不同半胱胺添加时间间隔(1d、3d、5d、7d和9d)中分别添加五个不同数量的半胱胺(每千克体重添加10mg、40mg、70mg、100mg和130mg)。