Result showed that dialkyl quaternary ammonium salts inhibited the growth of Aeromonas hydrophila and Flexibacter colnmnaris,and the short alkyl group is more effective than the long one.

• 结果表明,双烷基季铵盐对嗜水气单胞菌和柱状屈桡杆菌生长均具有一定抑制作用,且短链双烷基季铵溴盐比长链的抑菌效果好。