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当前位置: 首页 > 文章 > 水解蛋白替代鱼粉对大菱鲆生长及生理代谢的影响 海洋渔业 2019 (5) 596-605
Position: Home > Articles > Effects of replacing fishmeal by protein hydrolysates on the growth performance and physiological metabolism of Scophthalmus maximus Marine Fisheries 2019 (5) 596-605

水解蛋白替代鱼粉对大菱鲆生长及生理代谢的影响

作  者：
姜立生;陈玮;李宝山;孙永智;王际英;黄炳山;王世信
单  位：
山东省海洋资源与环境研究院山东省海洋生态修复重点实验室
关键词：
大菱鲆;水解蛋白;鱼粉;替代;代谢
摘  要：
分别以水解鱼粉及水解大豆浓缩蛋白全部替代饲料中的鱼粉,投喂体质量(58.50±0.65) g的大菱鲆(Scophthalmus maximus)幼鱼56 d,研究水解蛋白替代鱼粉对其生长及生理代谢的影响。结果表明:水解蛋白替代鱼粉降低了试验鱼的生长性能,提高了饲料系数,但对成活率无显著性影响;各组鱼的脏体比、肝体比和肠体比均无显著性差异;水解蛋白提高了肌肉中的水分含量,降低了粗蛋白含量;水解蛋白提高了血清中谷丙转氨酶(ALT)、谷草转氨酶(AST)活力,降低了总蛋白(TP)、白蛋白(ALB)、甘油三酯(TG)、胆固醇(TCHO)和高密度脂蛋白胆固醇(HDL-C)含量,而对血清中生长激素(GH)、三碘甲状腺原氨酸(T3)、己糖激酶(HK)含量没有显著性影响。水解鱼粉显著提高了血清中皮质醇(COS)、丙酮酸激酶(PK)含量,降低了补体3(C3)含量;水解大豆浓缩蛋白提高了免疫球蛋白M(IgM)含量,降低了去甲肾上腺素(NE)、丙酮酸激酶(PK)含量。研究表明,水解蛋白完全替代鱼粉会降低试验鱼的生长性能,造成肝脏功能受损,改变鱼体内分泌。
译  名：
Effects of replacing fishmeal by protein hydrolysates on the growth performance and physiological metabolism of Scophthalmus maximus
作  者：
JIANG Li-sheng;CHEN Wei;LI Bao-shan;SUN Yong-zhi;WANG Ji-ying;HUANG Bing-shan;WANG Shi-xin;Shandong Key Laboratory of Marine Ecological Restoration, Shandong Marine Resource and Environment Research Institute;
关键词：
Scophthalmus maximus;;protein hydrolysates;;fishmeal;;replacement;;metabolism
摘  要：
Fishmeal replacement is a hot topic in aquatic animal nutrition research. Enzymatic hydrolysis of protein is one of the most promising alternatives to fishmeal. Several researches had reported that hydro-fishmeal or hydro-plant protein raw materials can replace part of fishmeal in diet. However, little research has been done on the total substitution of hydrolyzed protein for fishmeal. In order to investigate the effects of totally replacing fishmeal by protein hydrolysates on the growth performance and physiological metabolism of Scophthalmus maximus, three isonitrogenous and isolipidic treatment diets were formulated with fishmeal totally replaced by fishmeal hydrolysates and soymeal concentrated hydrolysates. Each diet was assigned to juveniles with initial body weight of(58.50±0.665) g in triplicates, and the trial lasted for 8 weeks. The results illustrated that growth performances decreased and feed conversion ratios(FCR) increased by dietary protein hydrolysates, although survival rates were not affected. There was no difference on viseraosomatic index(VSI), hepatosomatic index(HSI), ratio of intestine weight to body weight(ISI) among all groups. Moisture in muscle increased and crude protein decreased by dietary protein hydrolysates. Activities of asparate amino transferase(AST) and alanine amino transferase(ALT) increased, meanwhile, the contents of total protein(TP), albumin(ALB), triglyceride(TG), total cholesterol(TCHO), and high density lipoprotein cholesterol(HDL-C) decreased by the substitutions. All growth hormone(GH), three iodine thyroid(T3) and hexokinase(HK) in serum were not affected by dietary protein hydrolysates. Both cortisol(COS) and PK in serum increased and complement 3(C3) decreased by dietary fishmeal hydrolysates. Immunoglobulin M(IgM) was elevated, meanwhile both noradrenaline(NE) and pyruvate kinase(PK) declined by dietary soy meal concentrated hydrolysates. It can be concluded that totally substitution of fishmeal by protein hydrolysates can reduce the growth performance, cause damage to liver and change the secretion of experimental fish.

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