Comparative effects of Aloe vera gel and Freund’s adjuvant in vaccination of common carp (Cyprinus carpio L.) against Aeromonas hydrophila

Abdy, Esmail; Alishahi, Mojtaba; Tollabi, Morteza; Ghorbanpour, Mansour; Mohammadian, Takavar

doi:10.1007/s10499-016-0074-1

Cited by 14 publications

(5 citation statements)

References 54 publications

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“…100% A. vera dietary supplementation was reported to enhance innate immune parameters in GIFT O. niloticus, especially after being stressed with Streptococcus iniae pathogenic bacterium; similarly, inclusion levels between 0.5% and 2.0%/kg diet appeared to be effective, and fish supplemented with 4.0% A. vera/kg diet responded poorly and, thus, classified as microcytic anemic (Gabriel et al 2015a). In the study by Abdy et al (2017), C. carpio were vaccinated with heat-killed Aeromonas hydrophila and in one group A. vera gel was used as adjuvant during this vaccination. In a challenge experiment thereafter, a higher immune response was observed in fish which were vaccinated with the A. vera adjuvant compared to the response in groups with no or a different adjuvant.…”

Section: Discussionmentioning

confidence: 85%

Effect of dietary Aloe vera polysaccharides supplementation on growth performance, feed utilization, hemato-biochemical parameters, and survival at low pH in African catfish (Clarias gariepinus) fingerlings

et al. 2019

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This study evaluated the effects of dietary Aloe vera polysaccharides on growth performance, feed utilization, hemato-biochemical parameters, and resistance against low water pH in African catfish (Clarias gariepinus) fingerlings. Fish were divided into five triplicate groups before being fed feeds supplemented with 0% (control), 0.5%, 1.0%, 2.0%, and 4.0% A. vera/kg diet for 8 weeks. Fish fed 1.0% A. vera/kg diet had significantly increased (P \ 0.05) growth parameters (i.e., final weight, weight gain, absolute growth rate, and specific growth rate) compared to unsupplemented ones. Among dietary groups, significantly lower feed conversion ratio was presented in fish fed 1.0% followed by those fed 0.5, 2.0%, and 4.0% A. vera/kg diet (P \ 0.05). The protein efficiency ratio was significantly higher (P \ 0.05) in fish fed 1.0% A. vera/kg diet compared to unsupplemented fish and those fed 4.0% A. vera/kg diet, respectively. Dietary A. vera polysaccharide crude extracts requirement suitable for growth and feed utilization was estimated to be between 1.76 and 1.79% A. vera/kg diet. Overall, A. vera extracts had improved hemato-biochemical indices when compared to unsupplemented fish, and decreased some of the indices, especially at high dietary inclusion level (4%/kg diet). Furthermore, A. vera-supplemented fish had higher survival probability throughout the low water pH challenge period, except those fed 4% A. vera/kg diet and control diet.

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Section: Discussionmentioning

confidence: 85%

Effect of dietary Aloe vera polysaccharides supplementation on growth performance, feed utilization, hemato-biochemical parameters, and survival at low pH in African catfish (Clarias gariepinus) fingerlings

et al. 2019

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“…Aloe vera consists primarily of water and polysaccharides (pectin, cellulose, hemicellulose, glucomannan, acemannan, and mannose derivatives) and is composed of a long chain of acetylated mannose [ 12 ]. The biological activity of Aloe vera 's polysaccharides has been reported widely [ 13 ] and shown to act as an immunostimulant [ 14 ]. Acemannan has been reported to have antimicrobial properties, including antibacterial, antifungal, antiviral, and antiparasitic properties [ 15 ].…”

Section: Introductionmentioning

confidence: 99%

Extract of Aloe vera (Aloe barbadensis Miller) Enhances the Growth, Protein Contents, and Gastrosomatic Index (GaSI) of Common Carp Cyprinus carpio

Khanal

Lamichhane

Bhattarai

et al. 2021

Journal of Nutrition and Metabolism

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Aquaculture is a growing agribusiness, and large-scale microbial infection frequently leads to considerable economic losses, as there are very few approved drugs available to counteract such a problem. Aloe vera is a natural therapeutic plant with biological activities, for example, antimicrobial, anticancer, mitigating, and immunomodulatory properties. Thus, an experiment was conducted to understand the effects of dietary Aloe vera on survival, growth performance, protein utilization, gastrosomatic index, and gut histomorphological studies in common carp in laboratory conditions. Aloe vera leaves were collected, washed, shade-dried, and homogenized to get a filtrate, which was extracted in ethanol (70%) using the Soxhlet apparatus. The carp with an average weight of 1.73 ± 0.14 g was divided randomly into 5 treatments (control and other 4 treated groups) with the extract of 0.0%, 0.2%, 0.4%, 0.8%, and 1.6% in the diet with 3 replicates and the stocking density was 25 fish per each replicate. Sampling was done on the 30th, 60th, and 90th days, and the results show that percent weight gain, specific growth rate, protein efficiency ratio, and feed conversion efficiency were significantly high in the treated diet compared to the control (0.0%). Gastrosomatic index, condition factors, and gut histology found better performance in common carp group fed 0.4% and 0.8% of Aloe vera after 90 days. In conclusion, it was found that Aloe vera extract between the amount of 0.4% and 0.8% is better for fish growth for common carp.

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“…Abdy et al . () in a study demonstrated that Aloe vera gel induced a higher expression of IL‐1β and TNFα genes in the kidney than Freund's. Also, the vaccinated fish using the Aloe vera adjuvant produced higher antibody titre and leucocyte numbers than bacterin alone leading to increased RPS when fish were challenged with A. hydrophila 28 days later.…”

Section: Medicinal Herbsmentioning

confidence: 96%

Adjuvant effects of medicinal herbs and probiotics for fish vaccines

Soltani

Lymbery

Song

et al. 2018

Reviews in Aquaculture

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The most prominent limiting factor in aquaculture nowadays is infectious diseases as they lead to massive economic losses. These diseases are often partly controlled by vaccination, herbs or probiotics. Despite the fact that vaccination is the most effective prophylactic approach to disease prevention, researchers have started to use plant-derived products and probiotics as adjuvants to boost the efficacy of fish vaccines. This review describes the efficacy and potency of plant extracts/essences and probiotics as adjuvants for various vaccines in aquaculture.

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Comparative effects of Aloe vera gel and Freund’s adjuvant in vaccination of common carp (Cyprinus carpio L.) against Aeromonas hydrophila

Cited by 14 publications

References 54 publications

Effect of dietary Aloe vera polysaccharides supplementation on growth performance, feed utilization, hemato-biochemical parameters, and survival at low pH in African catfish (Clarias gariepinus) fingerlings

Effect of dietary Aloe vera polysaccharides supplementation on growth performance, feed utilization, hemato-biochemical parameters, and survival at low pH in African catfish (Clarias gariepinus) fingerlings

Extract of Aloe vera (Aloe barbadensis Miller) Enhances the Growth, Protein Contents, and Gastrosomatic Index (GaSI) of Common Carp Cyprinus carpio

Adjuvant effects of medicinal herbs and probiotics for fish vaccines

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