Effects of Rehmannia glutinosa on growth performance, immunological parameters and disease resistance to Aeromonas hydrophila in common carp (Cyprinus carpio L.)

Wang, Junli; Meng, Xiaolin; Lu, Rongzhu; Wu, Chun Ying; Luo, Yunhua; Yan, Xiao; Li, Xuejun; Kong, Xianghui; Nie, Guoxing

doi:10.1016/j.aquaculture.2014.10.004

Cited by 155 publications

(76 citation statements)

References 52 publications

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“…This is in agreement with the findings of Nya and Austin () in rainbow trout fed with garlic. Similarly, Wang et al () recorded increases in phagocytic activity in common carp fed with the medicinal herb Rehmania glutinosa . Several previous studies have confirmed that some medicinal plants could enhance phagocytosis in various fish species (Ardo et al ; Dhayanithi et al ).…”

Section: Discussionmentioning

confidence: 86%

Effect of Oyster Mushroom, Pleurotus ostreatus, Extract on Hemato‐Immunological Parameters of Rainbow Trout, Oncorhynchus mykiss

Uluköy

Baba

Öntaş

2016

J World Aquaculture Soc

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The current study investigated the effects of oyster mushroom Pleurotus ostreatus, extract on immunological and hematological parameters of rainbow trout, Oncorhynchus mykiss. The fish were fed diets containing 0 (control), 1, and 2% supplementation of the oyster mushroom extract for 6 wk. Blood samples were collected weekly for the first 6 weeks. After 6 wk of feeding, the fish were challenged with Lactococcus garvieae and mortality was recorded. The results of this study showed that feeding rainbow trout an oyster mushroom extract–supplemented diet stimulated phagocytic activity of phagocytic cells, lysozyme activity, and myeloperoxidase activity in serum, but it did not significantly affect the total serum immunoglobulin level. At the same time, a significant increase was found in the number of neutrophils, monocytes, and total white blood cells. Fish fed the diet supplemented with oyster mushroom extract showed reduced mortalities following L. garvieae infection compared with controls. These results show that supplementation of fish diets with oyster mushroom extract at 1 and 2% concentrations significantly imrpoves hematological parameters and modulates the immune response against L. garvieae in rainbow trout.

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Section: Discussionmentioning

confidence: 86%

Effect of Oyster Mushroom, Pleurotus ostreatus, Extract on Hemato‐Immunological Parameters of Rainbow Trout, Oncorhynchus mykiss

Uluköy

Baba

Öntaş

2016

J World Aquaculture Soc

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“…Both methods have the same degree of use and practicality. Herbal extracts have been commonly used as feed additives in aquaculture (Wang et al, 2015).…”

Section: Administration and Application Methodsmentioning

confidence: 99%

The use of medicinal plants as immunostimulants in aquaculture: A review

2015

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“…Radix Rehmanniae Preparata polysaccharides (RRPP) have a wide range of biological functions, such as anti-tumour (Wei, Ru, Liu, Tang, & Wei, 1998), anti-fatigue (Tan et al, 2012), anti-anxiety (Cui et al, 2013), immune-enhancing (Chen, Feng, & Zhou, 1995) and intestinal mucositis-alleviating activities . In previous studies, we found that 4% of prepared Rehmannia root powder could promote growth performance, regulate immune response and prevent pathogenic infection in common carp (Wang et al, 2015). In order to find out whether it was the polysaccharide of prepared Rehmannia root powder play the role, different concentrations of RRPP were added to the diets of Luciobarbus capito.…”

mentioning

confidence: 99%

Effects of dietary Radix Rehmanniae Preparata polysaccharides on the digestive enzymes, morphology, microbial communities and mucosal barrier function of the intestine of Luciobarbus capito

Shan

Feng

et al. 2020

Aquac Res

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In this study, we assessed the effects of Radix Rehmanniae Preparata polysaccharides (RRPP) on the digestive enzymes, morphology, microbial communities and mucosal barrier function of the intestine of Luciobarbus capito. Fish were fed different amounts of RRPP (0, 0.05, 0.1, 0.2 and 0.4%) for 60 days. The results revealed that intestinal amylase and trypsin activities significantly increased after the 0.2% RRPP treatment (p < .05). Increases in intestinal fold height, wall thickness and fold density were observed in Luciobarbus capito fed an RRPP‐supplemented diet, and the best effect was observed in the proximal intestine. Sequencing of the bacterial 16S rRNA V4 region showed that dietary RRPP reduced intestinal microbial community richness and species diversity. Fusobacteria, Proteobacteria, Firmicutes and Verrucomicrobia were the dominant bacterial phyla in the intestine of Luciobarbus capito. Dietary RRPP affected the overall microbial community and increased the abundance of the genus Cetobacterium. Moreover, RRPP significantly upregulated the expression of occludin, zonula occludens (ZO)‐1 and claudin‐c in the intestine (p < .05). In summary, supplementing the diet of Luciobarbus capito with RRPP can improve digestive enzymes activities and intestinal morphology, modulate the microbial composition and enhance intestinal mucosal barrier function.

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Effects of Rehmannia glutinosa on growth performance, immunological parameters and disease resistance to Aeromonas hydrophila in common carp (Cyprinus carpio L.)

Cited by 155 publications

References 52 publications

Effect of Oyster Mushroom, Pleurotus ostreatus, Extract on Hemato‐Immunological Parameters of Rainbow Trout, Oncorhynchus mykiss

Effect of Oyster Mushroom, Pleurotus ostreatus, Extract on Hemato‐Immunological Parameters of Rainbow Trout, Oncorhynchus mykiss

The use of medicinal plants as immunostimulants in aquaculture: A review

Effects of dietary Radix Rehmanniae Preparata polysaccharides on the digestive enzymes, morphology, microbial communities and mucosal barrier function of the intestine of Luciobarbus capito

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