枯草芽孢杆菌是好氧菌或兼性厌氧菌，但如果初始状态就没有氧气它基本不会生长，芽孢杆菌大部分都是兼性厌氧或者好氧菌。

Bacillus subtilis bacteria have been considered strictly aerobic, meaning that they require oxygen to grow and they cannot undergo fermentation.