The activity of SOD and AKP has positive correlativity with high temperature adaptation of commercial races for summer and autumn.The sifted races have no apparent changes with these indexes.

• 血液SOD和肠液AKP活性与蚕品种的高温适应性有较明显的正相关，而筛选出的优良蚕品种上述指标没有出现显著变化。