The plasma ALDO levels remained low before l2 days of age,but significantly rise to a high level at l5 days of age and to the level of adult at 25 days of age. There were no sex differences in the preweanling rats.

• 结果表明幼鼠的血浆ALDO水平较低，出生15天后显著升高，25天的鼠与成年鼠血浆ALDO水平已无显著差异；