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题名: Chlorella additive increased growth performance, improved appetite and immune response of juvenile crucian carp Carassius auratus
作者: Luo, Zhi1; Ye, Han-Mei1; Gao, Yan1; Ling, Shi-Cheng1; Wei, Chuan-Chuan1; Zhu, Xiaoming2
关键词: appetite regulation ; Carassius auratus ; Chlorella meal ; growth performance ; immunity
刊名: AQUACULTURE RESEARCH
发表日期: 2018-10-01
DOI: 10.1111/are.13797
卷: 49, 期:10, 页:3329-3337
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Fisheries
研究领域[WOS]: Fisheries
英文摘要: This study was designed to investigate effects of dietary Chlorella meal (CM) additive on growth performance, immune responses and appetite regulation of juvenile crucian carp Carassius auratus (initial body weight: 1.27 +/- 0.03 g). Four experimental diets were formulated to contain 0% (CMO), 1% (CM1), 2% (CM2) and 4% Chlorella meal (CM4), respectively. Each diet was randomly assigned to triplicate groups with 40 juvenile fish per fibreglass tank for 8 weeks. Weight gain rate, specific growth rate and feed intake increased with increasing dietary CM levels. In contrast, FCR (feed conversion rate) declined with dietary CM levels. No significant differences were observed in moisture, crude protein, crude lipid and ash contents of muscle and liver tissues. Dietary CM addition increased activities of acid and alkaline phosphatase in liver and kidney. Dietary CM up-regulated the mRNA expression levels of NKEF-B, MCHII and IgM in kidney, and increased the mRNA levels of NPY and agouti gene-related protein in the brain, but down-regulated mRNA levels of MC4R, LEP, LEPR, CART1, CART2 and CCK8 genes. Based on these observations above, this study indicated that dietary CM additive increased growth performance, immune responses and appetite of crucian carp. The results, for the first time, demonstrate a role for the central nervous system in the control of food intake in fish fed dietary Chlorella meal.
关键词[WOS]: CATFISH PELTEOBAGRUS-FULVIDRACO ; DIETARY CELLULASE ADDITION ; MESSENGER-RNA EXPRESSION ; FOOD-INTAKE ; NEUROPEPTIDE-Y ; MELANOCORTIN-4 RECEPTOR ; FISH-MEAL ; TRANSCRIPTIONAL REGULATION ; MOLECULAR-CLONING ; IMMUNOGLOBULIN-M
语种: 英语
项目资助者: Special Fund for Agro-Scientific Research in the Public Interest, China(201303053)
WOS记录号: WOS:000443545100009
ISSN号: 1355-557X
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/56118
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Huazhong Agr Univ, Fishery Coll, Minist Agr China, Key Lab Freshwater Anim Breeding, Wuhan, Hubei, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Hubei, Peoples R China
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