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Research Article: Dietary administration of aqueous Zingiber officinale extract on growth performance, antioxidant activity and resistance of shrimp Litopenaeus vannamei against Photobacterium damselae
N. Shahraki, M.R. Imanpour *, P. Akbary, R. Safari, V. Jafari
, pariaakbary1355@gmail.com
Abstract:   (226 Views)
This study was conducted to evaluate the effect of aqueous Zingiber officinale extract (ZE) on growth performance, antioxidant activity and resistance of shrimp (Litopenaeus vannamei) challenged with Photobacterium damselae bacteria. A total number of 600 post larvae shrimps (initial weight, 1.06±0.7 g) were randomly distributed into 12 fiberglass tanks representing four treatments each tank containing of 50 shrimp. The control shrimp group (ZE0) was fed a ZE free basal diet. Other 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 weeks of 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 and CAT) of shrimp have significantly increased and cumulative mortality rate decreased (p<0.05) in the ZE1 group compared with the other groups. Meanwhile, the lowest FCR and MDA value were observed in shrimp fed ZE1 supplemented diet. It can be concluded that Z. officinale extract at the level of 1g kg-1 (ZE1) diet seems to be the most appropriate level for increasing growth performance, antioxidant activity and disease resistance of L. vannamei.
Keywords: Litopenaeus vannamei, Zingiber officinale, Growth, Antioxidant activity, Shrimp, Photobacterium damselae
Full-Text [PDF 502 kb]   (123 Downloads)    
Type of Study: Orginal research papers | Subject: aquaculture
Received: 2019/11/15 | Accepted: 2020/04/15 | Published: 2021/01/21
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Shahraki N, Imanpour M, Akbary P, Safari R, Jafari V. Research Article: Dietary administration of aqueous Zingiber officinale extract on growth performance, antioxidant activity and resistance of shrimp Litopenaeus vannamei against Photobacterium damselae. IJFS. 2021; 20 (1) :32-44
URL: http://jifro.ir/article-1-4115-en.html


Volume 20, Issue 1 (2021) Back to browse issues page
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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