The amino acids related with methionine metabolism in serum and liver have greatly changed in AFL rats. The nutrients correcting methionine metabolism abnormity could prevent and treate AFL, and ameliorated symptom of AFL markedly.

• AFL大鼠血清利肝脏中与蛋氨酸代谢关系密切的氨基酸含量明显改变,改善蛋氮酸代谢的营养素可以在一定程度上使AFL症状好转。