Effects of selenium supplemented diets on growth and condition indexes in juvenile red swamp crayfish, Procambarus clarkii

被引：19

作者：

Doerr, Ambrosius Josef Martin ^{[1
]}

Abete, Maria Cesarina ^{[2
]}

Prearo, Marino ^{[3
]}

Pacini, Nicole ^{[1
]}

La Porta, Gianandrea ^{[1
]}

Natalia, Mauro ^{[4
]}

Elia, Antonia Concetta ^{[1
]}

机构：

[1] Univ Perugia, Dept Cellular & Environm Biol, I-06123 Perugia, Italy

[2] CReAA Natl Reference Ctr Surveillance & Monitorin, State Vet Inst, I-10154 Turin, Italy

[3] State Vet Inst, I-10154 Turin, Italy

[4] Fish Breeding Ctr Lake Trasimeno, I-06123 Perugia, Italy

来源：

ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY | 2013年 / 36卷 / 02期

关键词：

Growth; Condition factor; Hepatopancreas; Procambarus clarkii; Selenium; ANTIOXIDANT RESPONSE; TOXICITY; GIRARD; BIOACCUMULATION; GLUTATHIONE; EXPOSURE; SURVIVAL; URANIUM; FISH; FOOD;

D O I：

10.1016/j.etap.2013.05.011

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Effects of selenium diets (Se, 0.3 and 1.2 mg kg(-1)) on juvenile red swamp crayfish Procambarus clarkii were observed for eight weeks. Growth, condition factors and Se levels in exoskeleton and hepatopancreas for both sexes and diets were evaluated at three endpoints. The specific growth rate (SGR) showed a faster, but not statistically significant growth in Se exposed specimens. Se levels were higher in exoskeleton and hepatopancreas of both Se exposed males and females, when compared to controls. The abdomen-total weight relationship (Tw/B) showed no significant differences between Se exposed and control groups. A constant decline of HI values was recorded in both Se exposed sexes and the same trend was observed in control males. Se exposed females evidenced lower HI after 4 and 8 weeks when compared to controls. Therefore, evident reductions of the health indicator values HI suggested that selenium can deplete the hepatopancreas energy reserves, mainly in juvenile male crayfish. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：484 / 492

页数：9

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