The use of immunostimulating herbs in fish. An overview of research

Jeney, Galina; Yin, Guojun; Ardó, László; Jeney, Zsigmond

doi:10.1007/s10695-009-9304-z

Cited by 212 publications

(121 citation statements)

References 44 publications

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“…Medicinal herbs and plants are major source of such molecules (Galina et al 2009, Van Hai 2015; pre-and probiotics (Nayak 2010), vitamins (Ortuño et al 2001, Azad et al 2007, Kiron 2012) and synthetic molecules (Maqsood et al 2009) have also been evaluated for their effects on the immune system. Amongst immune modulating molecules, β-glucan, a linear polysaccharide extracted from the cell wall of yeast, algae and fungi (Dalmo & Bøgwald 2008) stands as a model of pathogen associated molecular pattern (PAMP) molecule, and as such has been widely exploited as additive in fish diets aiming to improve resistance to infection.…”

Section: Introductionmentioning

confidence: 99%

Immunomodulatory effects of dietary β-glucan in silver catfish (Rhamdia quelen)

Domenico

Canova²,

Soveral³

et al. 2017

Pesq. Vet. Bras.

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RESUMO.-[Efeito imunomodulador da β-glucana usada como aditivo alimentar em jundiás (Rhamdia quelen).]O uso da β-glucana como suplemento alimentar foi avaliado em jundiás. A β-glucana foi adicionada à ração na proporção de 0.01%, e 0.1% e fornecida aos peixes por 21, para avaliar dados hematológicos e parâmetros do sistema imune natural, ou 42 dias, para avaliar ganho de peso e resistência ao desafio com Aeromonas hydrophila. A adição da β-glucana na dieta não afetou o ganho de peso e não induziu alterações hematológicas nem alterações nos níveis de aglutininas e mieloperoxidase sanguínea. No entanto, a atividade hemolítica natural do sistema do complemento foi significativamente maior nos peixes alimentados com β-glucana. Além disso, nos peixes alimentados com β-glucana e desafiados com A. hydrophila, o número de bactérias isoladas do sangue foi significativamente menor, e a sobrevivência ao desafio foi significativamente maior do que nos peixes que não receberam β-glucana. Consequentemente, concluímos que a β-glucana tem potencial imunomodulador quando adicionada à dieta, nas condições experimentais aqui indicadas, e contribui para aumentar imunidade natural e a resistência dos jundiás ao desafio com patógenos específicos. INTRODUCTIONThe occurrence of infectious diseases is one of the major causes of losses in modern aquaculture (Sitjà-Bobadilla The immunomodulatory effects of dietary β-glucan were evaluated in silver catfish. β-glucan was added to the diet (0.01%, and 0.1%) and fed to the fish for 21 days, to evaluate effects on blood and some innate immune parameter, or fed for 42 days, to evaluate growth rate and resistance to challenge with pathogenic Aeromonas hydrophila. We found that adding β-glucan to the diet had no effect on fish growth and no effect on blood cells, or serum bacterial agglutination and serum myeloperoxidase activity. However, fish that received β-glucan in the diet had the natural hemolytic activity of complement significantly higher compared to control fish. Furthermore, fish fed with β-glucan and challenged with A. hydrophila had fewer bacteria in blood and presented a significantly higher survival rate compared to control fish. Thus, we concluded that β-glucan might be explored as feed additive aiming to improve silver catfish innate immunity and resistance to specific pathogen.INDEX TERMS: Silver catfish, Rhamdia quelen, fish, immunostimulants, β-glucan, Aeromonas hydrophila.

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Section: Introductionmentioning

confidence: 99%

Immunomodulatory effects of dietary β-glucan in silver catfish (Rhamdia quelen)

Domenico

Canova²,

Soveral³

et al. 2017

Pesq. Vet. Bras.

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“…The phagocytic activity of leukocytes is a primitive defence mechanism and an important characteristic of the nonspecific innate immune system in fish (Jeney et al, 2009). Herbal medicine extracts have been reported to enhance phagocytosis in various fish species (Chakraborty and Hancz, 2011).…”

Section: Discussionmentioning

confidence: 99%

“…The innate immune system also consists of different humoral elements like the complement system, lysozyme, transferrin, agglutinins and precipitins (Magnadóttir, 2006). Immunostimulants, vaccines and probiotics were observed to enhance the plasma lysozyme activity (Jeney et al, 2009;Kim and Austin, 2006). In our experiment, a significantly (P<0.05) elevated lysozyme activity was measured at the end of the culture period in fish fed diets containing B. alba extract, while fish fed genistein supplemented diet showed marginal increase in lysozyme activity compared to the control group (Table 2).…”

Section: Discussionmentioning

confidence: 99%

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Chakraborty¹,

Molnár²,

Ardó³

et al. 2015

Turk. J. Fish. Aquat. Sci.

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The effects of the isoflavone genistein and methanol extract of Basella alba leaves were evaluated in Nile tilapia, Oreochromis niloticus on growth and immunostimulation. Adult tilapia (mean weight 39.55 g) was fed diets containing genistein (1 gm/kg) and methanol extract of B. alba (1 g/kg) for 35 days. Basella alba extract treated tilapia showed significantly higher (P<0.05) weight gain, respiratory burst, phagocytic activity, plasma protein content and plasma lysozyme activity compared to fish fed control diet. The B. alba extract treated fish showed the highest final individual mean body weight, final individual length, specific growth rate, hepatosomatic index and total immunoglobulin content. The phagocytic and respiratory burst activities of genistein treated fish were significantly higher (P <0.05) compared to the control group. The weight gain, lysozyme activity and total protein content of genistein treated fish did not differ significantly (P>0.05) from both control and B. alba treated fish. There was no significant difference (P > 0.05) in the food conversion ratio as well among the different treatment groups. The study indicates that B. alba methanol extract might positively influence the growth and protect the health status of tilapia.

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“…Recently many researches have been conducted to evaluate the potential of herbs as an alternative for the use of antibiotics and in controlling diseases in aquaculture as well. The use of various products from medicinal plants to modulate fish immunity has been intensively investigated 3 .Rose balsam (Impatiens balsamica L) is one of the promising medicinal plant for aquaculture. 4 Reported that rose balsam contains several compounds such as naphthoquinones, coumarins, phenolic acids, flavonoids, anthocyanin's and steroids that have the ability as an antibacterial, antimicrobial, anti-fungal, analgesic, anti-inflammation, antioxidants and anti-piuritic.…”

Section: Introductionmentioning

confidence: 99%

The use of ethanol extract of rose balsam (Impatiens balsamica L) to enhance resistance of catfish(Clarias gariepinus Var.Sangkuriang) against Aeromonas hydrophila

Hidayah¹,

Manoppo²,

Pangkey³

2018

IJCTR

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Abstract:The objective of this study was to evaluate the potential of ethanol extract of rose balsamto induce the resistance of Sangkuriang catfish (C.gariepinus Var. Sangkuriang) against A. hydrophila infection. Sangkuriang catfish measuring 10-12 cm each were obtained from Freshwater Aquaculture Board, Ministry of Marine and Fisheries at Tatelu Village North Sulawesi Province. After adaptation for one weeks, the fish were introduced into 12 aquaria at a density of 12 individuals per aquarium. In the first three aquaria (Group A), the fish were injected with 0.1 mL of rose balsam extract, seven days later the fish were infected intraperitonealy with 0.1 mL of A. hydrophila suspension containing 1x10 7 cfu/mL.Fish in the second three aquaria (group B) were injected first with 0.1 mL of A. hydrophila and after three days of infection, the fish were treated with rose balsam extract by injection of 0.1 mL extract per fish. Fish in the third three aquaria (group C) were injected with only with 0.1 mL A. hydrophila suspension as positive control and lastly fish in the fourth three aquaria (group D) were injected with 0.1 mL rose baslam extract only as negative control. The results showed that extract ethanol of rose balsam flower was able to increase the survival of catfish fry againstA. Hydrophila infection.The survival of fish in group A achieved75% while in positive control group, survival of fish was only 30.55%. Survival of fish in negative control (injected only with rose balsam extract) was 91.5% indicating that the extract had no toxic effect on fish. Thus, the use of rose balsam extract was potential to improve resistance of Sangkuriang catfish against pathogen.

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The use of immunostimulating herbs in fish. An overview of research

Cited by 212 publications

References 44 publications

Immunomodulatory effects of dietary β-glucan in silver catfish (Rhamdia quelen)

Immunomodulatory effects of dietary β-glucan in silver catfish (Rhamdia quelen)

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The use of ethanol extract of rose balsam (Impatiens balsamica L) to enhance resistance of catfish(Clarias gariepinus Var.Sangkuriang) against Aeromonas hydrophila

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