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在斑节对虾无节幼体下池前 2～ 3小时用 0 .0 15～ 0 .0 2 0 mg/L浓度的亚甲基蓝或三氟乐灵作预防 ,1～ 2天后发现有链壶菌感染时再用 0 .0 2 0 mg/L浓度的亚甲基蓝或 0 .0 2 0～ 0 .0 30mg/L 浓度的三氟乐灵治疗。两种药物比较 ,三氟乐灵能有效防治链壶菌病 ,其有效浓度为0 .0 2 0～ 0 .0 50 mg/L;而亚甲基蓝在链壶菌感染不严重时才有效 ,若感染严重或无节幼体下池前未施药预防 ,待发病后再用药 ,治疗无效。
In nauplius of nauplius nangles 2 to 3 hours before using 0. 0 15 ~ 0. 0 2 0 mg / L concentration of methylene blue or trifluralin as prophylaxis, 1 to 2 days after the discovery of chain cholera infection Treatment with methylene blue at a concentration of 0.020 mg / L or trifluralin at a concentration of 0.002-0.030 mg / L. Compared with the two drugs, trifluralin could effectively prevent streptomyces, the effective concentration was 0.002-0.050 mg / L, while methylene blue was not effective when streptomyces infection was not serious. Severe or nauplii in the pool before the application of prophylaxis, to be used after the onset of medication, treatment ineffective.