Relationships between growth and disease resistance in rainbow trout, Oncorhynchus mykiss (Walbaum)

被引：32

作者：

Overturf, K. ^{[1
]}

LaPatra, S. ^{[2
]}

Towner, R. ^{[3
]}

Campbell, N. ^{[4
]}

Narum, S. ^{[4
]}

机构：

[1] USDA ARS, Hagerman Fish Culture Expt Stn, Hagerman, ID 83332 USA

[2] Clear Springs Foods Inc, Div Res, Buhl, ID USA

[3] GenTec Consulting, Payette, ID USA

[4] Columbia River Intertribal Fish Commiss, Hagerman, ID USA

来源：

JOURNAL OF FISH DISEASES | 2010年 / 33卷 / 04期

关键词：

disease resistance; genetic variability; growth; rainbow trout; SALMON SALMO-SALAR; ATLANTIC SALMON; GENETIC-VARIATION; IMMUNE-SYSTEM; TRADE-OFFS; SURVIVAL; FURUNCULOSIS; IMPROVEMENT; RESPONSES; FISH;

D O I：

10.1111/j.1365-2761.2009.01124.x

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

Rainbow trout from 23 families were evaluated for growth and resistance to the bacterial coldwater disease (BCWD) caused by Flavobacterium psychrophilum and infectious haematopoietic necrosis (IHN) caused by IHN virus. Average family weights were between 161 and 263 g with an average of 225 g at 213 days post-fertilization with specific growth rates ranging from 2.37 to 2.88. Per cent survival of fish challenged with F. psychrophilum was between 18% and 100%, while for those challenged with IHNV, the range was between 12% and 93%. Significant positive correlations were found for end body weight and resistance to IHN (P < 0.05) and for early body weight and resistance to BCWD (P < 0.1). However, no significant correlations were detected between resistance to both pathogens or disease resistance and overall genetic diversity or diversity within the major histocompatibility locus.

引用

页码：321 / 329

页数：9

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