Infranuclear vacuoles occurred in the anterior intestine on 7 DAH and esoinophilic granulae occurred in the posterior intestine on 8 DAH, which indicates the start of lipid and protein absorption.

• 孵化后第7天前肠中出现空泡，孵化居第8天仔鱼后肠中发现有嗜曙红颗粒，表明肠上皮细胞吸收了脂肪和蛋白质。