Marine bacteria L1 was isolated from healthy larvae of Penaeus monodon, L2 and L3 strain was isolated from microbial biofilms of antiseptic steel pieces.

• 本试验对从健康斑节对虾(Penaeus monodon)幼体分离的菌株L1及从养殖水体中防污附钢片的微生物粘膜中分离的菌株L2和L3,采用琼脂扩散法进行体外拮抗试验,测定其抑菌图谱。