Research Article: Dietary administration of aqueous Zingiber officinale extract on growth performance, antioxidant activity and resistance of shrimp Litopenaeus vannamei against Photobacterium damselae

IF 0.8 4区农林科学 Q3 FISHERIES

Iranian Journal of Fisheries Sciences Pub Date : 2021-01-10 DOI:10.22092/IJFS.2021.123458

N. Shahraki, M. Imanpour, P. Akbary, R. Safari, V. Jafari

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引用次数: 0

Abstract

This study was conducted to evaluate the effect of Zingiber officinale extract (ZE) on growth performance, antioxidant activity and resistance of shrimp (Litopenaeus vannamei) challenged with Photobacterium damselae bacteria. A total of 600 post larvae shrimps (initial weight, 1.06 ± 0.7 g) were randomly distributed into 12 fiberglass tanks representing four treatments at a rate of 50 shrimp in each tank. The control shrimp group (ZE0) was fed a ZE free basal diet. Other shrimp groups were fed the basal diet supplemented with 0.5 (ZE 0.5), 1.0 (ZE1) and 1.5 (ZE 1.5) g kg-1 diet. Diets were offered to shrimp at a feeding rate of 10% of live body weight for 8 weeks. After 8 week experimental trial 30 shrimp from each group was infected with LD70 bacteria P. damselae over 10 days to evaluated disease resistance of infected shrimp. Results revealed that growth performance (WG, SGR, FW and PER), the antioxidant activity (SOD, PO, GPx, CAT) and cumulative mortality percentage of the shrimp have significantly increased (p <0.05) in the ZE1 group compared with the other groups. Meanwhile, the lowest FCR and MDA value observed in shrimp fed ZE1 supplemented diet. It can be concluded that Z. officinale extract at 1g kg-1(ZE1) diet seems to be the most appropriate level for increasing growth performance antioxidant activity and disease resistance of L. vannamei

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研究文章:日粮中添加药用姜提取物对凡纳滨对虾生长性能、抗氧化活性及对豆色光杆菌抗性的影响

本研究旨在评价姜提取物（ZE）对凡纳滨对虾（Litopenaeus vannamei）生长性能、抗氧化活性和对光细菌（Photobacterium damselae）攻击的抗性的影响。共有600只幼虫后的虾（初始重量为1.06±0.7g）被随机分配到12个玻璃纤维槽中，代表四个处理，每个槽中有50只虾。对照组（ZE0）采用不含ZE的基础日粮喂养。其他虾组喂食基础日粮，补充0.5（ZE 0.5）、1.0（ZE1）和1.5（ZE 1.5）g kg-1日粮。以活体重的10%的喂养率给虾提供8周的饮食。经过8周的实验试验，每组30只虾在10天内感染LD70细菌P.damselae，以评估受感染虾的抗病性。结果显示，与其他组相比，ZE1组的虾生长性能（WG、SGR、FW和PER）、抗氧化活性（SOD、PO、GPx、CAT）和累积死亡率显著提高（p<0.05）。同时，添加ZE1日粮的对虾FCR和MDA值最低。结果表明，1g kg-1（ZE1）日粮中的铁皮石斛提取物似乎是提高南美白乳杆菌生长性能、抗氧化活性和抗病性的最合适水平

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来源期刊

Iranian Journal of Fisheries Sciences FISHERIES-

CiteScore

2.30

自引率

11.10%

发文量

审稿时长

3 months

期刊介绍： 1- Living various species (contains animals and vegetal species) in various aquatic ecosystems. 2- Health and diseases of aquatic species. 3- Determining the stocks and specific time and location for catching and reliable exploitation for sustainable development. 4- Methods of propagation and culture of high value aquatic resources. 5- Aquatic stock assessment and the methods of restocking the high value species and suggestion for rate, areas and the time for releasing fish and other aquatic organisms fries. 6- Pollutant agents and their effects to the environments of aquatic species. 7- Feed and feeding in aquatic organisms. 8- Fish processing and producing new products. 9- The economic and social aspects of fisheries.