两种多糖对齐口裂腹鱼生长、体组成及血清生化指标的影响

doi:10.7506/spkx1002-6630-201517045

摘要/Abstract

摘要：

目的：研究水溶性氧化魔芋葡甘露聚糖（oxidized konjac glucomannan，OKGM）及水不溶性抗性淀粉（resistant starch，RS）RS4对齐口裂腹鱼生长性能、体组成及血清生化指标的影响。方法：选取平均体质量为（87.58±5.16） g的健康齐口裂腹鱼450 尾，随机分为5 组，每组3 个重复，每个重复30 尾。各组分别饲喂在基础饲料中添加0%（质量分数，下同）的OKGM及RS4型抗性淀粉（C组）、1.6%的OKGM（OKGM1.6组）、3.2%的OKGM（OKGM3.2组）、1.6%的RS4型抗性淀粉（RS41.6组）、3.2%的RS4型抗性淀粉（RS43.2组）的饲料，饲喂60 d后，测定齐口裂腹鱼的生长指标、体组成及血清生化指标。结果：与C组相比，OKGM1.6组齐口裂腹鱼的体质量增加率、特定生长率、蛋白质效率最高，饵料系数最低（P＜0.05），RS41.6组和RS43.2组齐口裂腹鱼的体质量增加率、特定生长率、蛋白质效率变化不大，RS43.2组饵料系数降低（P＜0.05）；OKGM组肌肉粗蛋白含量增加（P＞0.05），OKGM3.2组齐口裂腹鱼的肌肉和肝胰脏粗脂肪含量最低（P＜0.05），鱼体肌肉水分、粗灰分含量不受OKGM及RS4添加量的影响（P＞0.05）；OKGM1.6组齐口裂腹鱼的血清甘油三酯水平显著降低（P＜0.05），高密度脂蛋白胆固醇水平升高（P＜0.05）；RS43.2组齐口裂腹鱼的血清总胆固醇、甘油三酯水平均降低（P＜0.05），高密度脂蛋白胆固醇含量升高（P＜0.05）。结论：当OKGM添加量为1.6%时，能改善齐口裂腹鱼生长状况，提高蛋白质效率，降低肌肉及肝胰脏粗脂肪含量，调节血脂水平。

关键词: 齐口裂腹鱼, 氧化魔芋葡甘露聚糖, RS4型抗性淀粉, 生长, 体组成, 血清生化指标

Abstract:

Objective: To investigate the effects of water-soluble oxidized konjac glucomannan (OKGM) and water-insoluble
RS4-type resistant starch on growth performance, body composition and serum biochemical indices of Schizothorax prenanti
Tchang (SPT). Methods: A total of four hundred and fifty healthy SPT with average body weight of (87.58 ± 5.16) g were
randomly divided into 5 groups with each group including 3 replicates of 30 fish. The control group (C) was fed with a basal
diet without OKGM or RS4-type resistant starch, and the treatment groups OKGM1.6, OKGM3.2, RS41.6, and RS43.2 were fed
with the same basal diet supplemented with 1.6% and 3.2% of OKGM, and 1.6% and 3.2% of RS4-type resistant starch,
respectively. The experiment lasted for 60 days. Growth performance, body composition and serum biochemical indices
were measured. Results: Compared with the control group, the highest weight gain ratio (WGR), specific growth ratio (SGR)
and protein efficiency ratio (PER) and the lowest feed conversion ratio (FCR) were obtained by dietary supplementation with
1.6% OKGM (P < 0.05). These four paramers were not significantly changed by dietary RS4-type resistant starch. The FCR
was moderately reduced by dietary supplementation with 3.2% RS4-type resistant starch (P < 0.05). The crude protein content
of muscle was increased by adding OKGM to the diet. The crude lipid content of muscle and hepatopancreas were minimized
by 3.2% dietary OKGM (P < 0.05). The moisture and crude ash contents of muscle were not significantly affected by dietary
OKGM or RS4-type resistant starch (P > 0.05). The serum concentration of triglyceride was significantly decreased and serum
high density lipoprotein cholesterol (HDL-C) was significantly increased in OKGM1.6 group (P < 0.05). Similarly, the serum
concentrations of total cholesterol and triglyceride were significantly decreased and serum HDL-C was increased in RS43.2
group (P < 0.05). Conclusion: Dietary supplementation with 1.6% OKGM could ameliorate the growth performance of SPT,
increase the PER, decrease the levels of crude lipid in muscle and hepatopancreas, and regulate serum biochemical indexes.

Key words: Schizothorax prenanti Tchang, oxidized konjac glucomannan, RS4-type resistant starch, growth, body composition, serum biochemical indices

中图分类号:

TS241.1

夏晓杰，邬应龙，冯姣，曾丽萍，王洪杰，汤浩澜. 两种多糖对齐口裂腹鱼生长、体组成及血清生化指标的影响[J]. 食品科学, doi: 10.7506/spkx1002-6630-201517045.

XIA Xiaojie, WU Yinglong, FENG Jiao, ZENG Liping, WANG Hongjie, TANG Haolan. Effect of Two Kinds of Polysaccharides on Growth Performance, Body Compositions and Serum Biochemical Indices of Schizothorax prenanti Tchang[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201517045.

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两种多糖对齐口裂腹鱼生长、体组成及血清生化指标的影响

Effect of Two Kinds of Polysaccharides on Growth Performance, Body Compositions and Serum Biochemical Indices of Schizothorax prenanti Tchang

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