Efficacy of a modified live Edwardsiella ictaluri vaccine in channel catfish as young as seven days post hatch

被引：43

作者：

Shoemaker, CA

Klesius, PH

Bricker, JM

机构：

[1] USDA ARS, Fish Dis & Parasites Res Lab, Auburn, AL 36830 USA

[2] Intervet, Millsboro, DE 19966 USA

来源：

AQUACULTURE | 1999年 / 176卷 / 3-4期

关键词：

modified live vaccine; Edwardsiella ictaluri; channel catfish; days post hatch;

D O I：

10.1016/S0044-8486(99)00116-7

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

Channel catfish (Ictalurus punctatus) were vaccinated by immersion at 12, 14, 16 and 31 days post hatch with modified live Edwardsiella ictaluri RE-33 vaccine in 1997 and 7 and 10 days post hatch in 1998. At 20 to 21 days post vaccination, the groups of vaccinates and non-vaccinates were challenged with virulent E. ictaluri and monitored for mortality for at least 14 days following challenge. Results showed the vaccine to be efficacious in channel catfish as young as 7 days post hatch with relative percent survival ranging from 58.4 to 77.5. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：189 / 193

页数：5

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