黄山药(Dioscorea cayennensis)粗提物对乳酸菌的体外培养及对巨象幼鱼的生长促进作用

IF 1.3 Q3 FISHERIES

Journal of Applied Aquaculture Pub Date : 2021-09-21 DOI:10.1080/10454438.2021.1976347

A. R. L. Souza, C. E. Copatti, Vitor H. P. Morante, M. M. da Costa, L. Braga, A. M. Souza, F. V. S. T. Melo, A. C. S. Camargo, J. Melo

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引用次数: 4

摘要

摘要本研究旨在分析乳酸杆菌在不同浓度（0%、2%、4%、6%和8%）下的体外生长，以及不同CEYY浓度（0、20、40、60和80 g kg–1）日粮对坦巴基幼鱼的生长性能和代谢反应。在体外试验中，对乳杆菌的生长没有影响。加入80 g CEYY kg日粮-1可提高生长性能、血浆溶菌酶活性和肠道乳酸水平。60 g CEYY kg饮食的肝糖原水平更高。脂肪酶和非特异性碱性蛋白酶在对照组中表现出最高的活性。对血液学参数、血糖和淀粉酶无影响。总之，补充80 g CEYY kg日粮-1可以改善坦巴基的生长性能、血浆溶菌酶和肠道乳酸。

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Crude extract from yellow yam (Dioscorea cayennensis) in in-vitro Lactobacillus spp. assessment, and as a growth promoter in tambaqui juveniles (Colossoma macropomum)

ABSTRACT This study aimed to analyze in vitro growth of Lactobacillus spp. with crude extract from yellow yam (Dioscorea cayennensis; CEYY) at different concentrations (0%, 2%, 4%, 6%, and 8%) and the growth performance and metabolic responses of tambaqui juveniles fed with diets containing different CEYY concentrations (0, 20, 40, 60, and 80 g kg–1). In the in vitro assay, there was no effect on the Lactobacillus spp. growth. The inclusion of 80 g CEYY kg diet–1 increased growth performance, plasma lysozyme activity and intestinal lactate levels. Hepatic glycogen levels were higher with 60 g CEYY kg diet–1. The lipase and nonspecific alkaline protease enzymes displayed the highest activity in the control group. There was no influence on the hematologic parameters, plasma glucose and amylase enzyme. In conclusion, the supplementation of 80 g CEYY kg diet–1 could be indicated for tambaqui, as it improved growth performance, plasma lysozyme and intestinal lactate.

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来源期刊

Journal of Applied Aquaculture Environmental Science-Ecology

CiteScore

3.20

自引率

0.00%

发文量

期刊介绍： The Journal of Applied Aquaculture is a platform for the sharing of practical information needed by researchers to meet the needs of investors, farm managers, extension agents and policy makers working to adapt aquaculture theory to achieve economic and food security objectives in the real world. The journal emphasizes multi-disciplinary research and case studies that propose financially and logistically viable solutions to observable problems.