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EFFECTS OF DIFFERENT DIETARY VITAMIN C LEVELS ON CHINESE LONGSNOUT CATFISH (LEIOCASSIS LONGIROSTRIS GUNTHER)
Liu Hai-Yan (hy_liu99@163.com); Lei Wu; Zhu Xiao-Ming; Yang Yun-Xia; Han Dong; Xue Min; Xie Shou-Qi (sqxie@ihb.ac.cn); Liu Hai-Yan; Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China
2009
Source PublicationActa Hydrobiologica Sinica
ISSN1000-3207
Volume33Issue:4Pages:682-689
AbstractVitamin C is ail essential micro-nutrient for most fish and plays an important role in immunity and physiology. The deficiency of dietary vitamin C can result in the damage on fish. The study on the deficiency symptom and the sensitive indicator of vitamin C could provide useful information for fish feed industry. This experiment was conducted to investigate the effects of dietary Vitamin C levels oil growth performance, immune and physiological responses in Chinese long-snout catfish (Leiocassis longirostris Gunther), which is ail high value aquaculture fish in China. Three practical diets containing 38, 364 and 630mg/kg vitamin C were fed to Chinese longsnout catfish (23.19 +/- 0.58g) for 8 months. Vitamin C was used in the form of L-ascorbyl-2-polyphosphate. The results indicated that the Chinese longsnout catfish in 38mg/kg vitamin C groups showed typical vitamin C deficiency symptom : skin color turning darker, spinal deformities and scoliosis, erosion of fins, anaemia. SGR and the serum lysozyme activities decreased significantly (p < 0.05), the hepatic SOD activities and MDA contents increased significantly (p < 0.05). There was no significant difference in serum cortisol concentrations (p > 0.05). The inductive HSP70 in liver was not detected by western-blotting in all groups. In conclusion, serum cortisol and hepatic HSP70 were not the sensitive indicators for vitamin C deficiency symptom, but the serum lysozyme, hepatic SOD activity, hepatic MDA content and the haematological index ( red blood cell number and hemoglobin content) were the more reliable makers to indicate the physiological status in Chinese longsnout catfish.
Indexed By其他
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/18655
Collection期刊论文
Corresponding AuthorLiu Hai-Yan; Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Liu Hai-Yan ,Lei Wu,Zhu Xiao-Ming,et al. EFFECTS OF DIFFERENT DIETARY VITAMIN C LEVELS ON CHINESE LONGSNOUT CATFISH (LEIOCASSIS LONGIROSTRIS GUNTHER)[J]. Acta Hydrobiologica Sinica,2009,33(4):682-689.
APA Liu Hai-Yan .,Lei Wu.,Zhu Xiao-Ming.,Yang Yun-Xia.,Han Dong.,...&Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China.(2009).EFFECTS OF DIFFERENT DIETARY VITAMIN C LEVELS ON CHINESE LONGSNOUT CATFISH (LEIOCASSIS LONGIROSTRIS GUNTHER).Acta Hydrobiologica Sinica,33(4),682-689.
MLA Liu Hai-Yan ,et al."EFFECTS OF DIFFERENT DIETARY VITAMIN C LEVELS ON CHINESE LONGSNOUT CATFISH (LEIOCASSIS LONGIROSTRIS GUNTHER)".Acta Hydrobiologica Sinica 33.4(2009):682-689.
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