Resistance of rainbow trout Oncorhynchus mykiss to infectious hematopoietic necrosis virus (IHNV) experimental infection following ingestion of natural and synthetic carotenoids

Amar, Edgar C.; Kiron, Viswanath; Akutsu, Tetsuya; Satoh, Shuichi; Watanabe, Takeshi

doi:10.1016/j.aquaculture.2011.12.007

Cited by 56 publications

(57 citation statements)

References 56 publications

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“…The observed results in this study agree with those reported in many studies used diets containing astaxanthin for rainbow trout (Amar et al, 2001(Amar et al, , 2004(Amar et al, , 2012Rehulka, 2000;Yanar et al, 2007), characins (Wang et al, 2006), Atlantic salmon (Bell et al, 2000), olive flounder (Pham et al, 2014) and Pacific white shrimp, Litopenaeus vannamei (Zhang et al, 2013).…”

Section: Discussionsupporting

confidence: 82%

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Choi¹,

Rahman²,

Lee³

et al. 2016

Turk. J. Fish. Aquat. Sci.

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This study was designed to test the effects of dietary supplementation of fermented soybean meal (FSM) with Phaffia rhodozyma on growth, muscle pigmentation, and antioxidant activities of juvenile rainbow trout (Oncorhynchus mykiss).Solid fermented soybean meal with P. rhodozyma (FSPH) contained 500 ppm astaxanthin was used as the natural source of astaxanthin in the present study. Four isonitrogenous and isocaloric diets were formulated to contain 0, 50, 75, and 100 ppm astaxanthin (designated as FSPH0, FSPH50, FSPH75 and FSPH100, respectively). Each experimental diet was fed to triplicate groups of fish (18.5 g/fish) to visual satiation twice daily for 10 weeks. Growth performance and proximate composition of muscle were not affected by dietary treatments. Total carotenoid and astaxanthin concentrations in muscle of fish were not affected by dietary treatments. Redness (a*) values of muscle from fish fed the FSPH50, FSPH75, and FSPH100 diets were significantly higher than those fed the FSPH0 diet. Plasma and liver DPPH, hydroxyl, and alkyl radical scavenging activities were not affected by dietary treatments. Plasma total antioxidant capacity of fish fed the FSPH50 diet was significantly higher than that of the FSPH0 group. Fish fed the supplemented diets showed significantly lower catalase activity compare to those fed the unsupplemented control diet. Plasma superoxide dismutase activity in fish fed the FSPH100 diet was significantly lower than that of fish fed the FSPH75 diet. These results suggest that the combination of FSM and P. rhodozyma is a good source of astaxanthin, and that a diet containing 10% of this mixture (equal to 50 ppm astaxanthin) could successfully improve muscle pigmentation and antioxidant status of juvenile rainbow trout.

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Section: Discussionsupporting

confidence: 82%

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Choi¹,

Rahman²,

Lee³

et al. 2016

Turk. J. Fish. Aquat. Sci.

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“…VA also affected the immune ability and disease resistance in aquatic animals (Amar et al, 2004(Amar et al, , 2012Hernandez et al, 2007;Yang et al, 2008). Survival rate can reflect disease resistance of fish species (Erdal et al, 1991), especially the survival rate after challenge (Meeker et al, 1987).…”

Section: Discussionmentioning

confidence: 99%

Dietary vitamin A requirement of juvenile Wuchang bream ( Megalobrama amblycephala ) determined by growth and disease resistance

et al. 2016

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“…Several authors (Amar, Kiron, Satoh, & Okamoto, 2000;Amar, Kiron, Satoh & Watanabe, 2001;Amar, Kiron, Satoh & Watanabe, 2004) revealed effects of feeding carotenoids from both natural and synthetic sources on the non-specific immune responses of rainbow trout and found augmented non-specific responses along with protection from pathogenic challenge in vivo. The resistance of rainbow trout to infectious hematopoietic necrosis virus (IHNV) showed significant improvement after oral ingestion of natural and synthetic carotenoids, particularly astaxanthin (Amar, Kiron, Akutsu, Satoh & Watanabe, 2012). Thus, carotenoid incorporation in fish feeds can be considered as a viable option to improve the colouration, protection of the stored fat in muscle from peroxidation and enhancement of immune responses.…”

Section: Turkish Journal Of Fisheries and Aquatic Sciencesmentioning

confidence: 99%

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Gopan¹,

Ande²,

Varghese³

et al. 2018

Turk. J. Fish. Aquat. Sci.

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A feeding trial of 45 days was conducted for delineating the effect of carotenoids on the fillet appearance, antioxidant status and nonspecific immune responses of Pangasianodon hypophthalmus fingerlings. Two hundred and fifty two fingerlings were randomly distributed into seven different experimental groups in triplicates. Seven isonitrogenous and isolipidic diets were prepared with two levels (150 and 300and a control diet (T1) without any carotenoids. The experimental fish were fed daily at the rate of 3% body weight in two instalments. At the end of the experiment, the fish were sampled to evaluate the colour and texture parameters, of fillets along with antioxidant and nonspecific immune status of fish. The fillet colour exhibited significantly higher (p<0.05) intensity of redness in the groups fed astaxanthin and a higher yellowish colouration in the beta-carotene fed groups. Significant (p<0.05) reduction in the activities of antioxidant enzymes and a significantly (p<0.05) higher PUFA/SFA ratio was also observed in astaxanthin fed groups. The total erythrocyte count, haemoglobin, respiratory burst, lysozyme activities were also enhanced in both astaxanthin fed groups (T2 & T3). The effect of carotenoids in modulating the texture of pangasius fillets was diminutive and further, there was little influence of carotenoids on growth. Thus, from this study, it can be concluded that astaxanthin supplementation can improve fillet appearance, antioxidant status and enhance the nonspecific immune response.

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Resistance of rainbow trout Oncorhynchus mykiss to infectious hematopoietic necrosis virus (IHNV) experimental infection following ingestion of natural and synthetic carotenoids

Cited by 56 publications

References 56 publications

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Dietary vitamin A requirement of juvenile Wuchang bream ( Megalobrama amblycephala ) determined by growth and disease resistance

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