Dietary sodium alginate administration affects fingerling growth and resistance to Streptococcus sp. and iridovirus, and juvenile non-specific immune responses of the orange-spotted grouper, Epinephelus coioides

Yeh, Shinn‐Pyng; Chang, Chen-An; Chang, Chi-Yao; Liu, Chun-Hung; Cheng, Winton

doi:10.1016/j.fsi.2007.11.011

Cited by 142 publications

(73 citation statements)

References 42 publications

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“…Growing concerns about the use of antibiotics in aquaculture has directed attention towards natural compounds with potent antimicrobial and immunostimmulating properties such as various plant-derived compounds (Citarasu, 2010). The beneficial effects of algae-derived bioactive compounds on fish immune function and consequently on their resistance to certain pathogens has been demonstrated in several studies on various fresh water and marine fish species including carp (Cyprinus carpio) , turbot (Scophthalmus maximus L.) (Skjermo et al, 1995), rainbow trout (Oncorhynchus mykiss) (Peddie et al, 2002), Atlantic salmon (Salmo salar L.) (Dalmo and Seljelid, 1995) and grouper (Epinephelus coioides) (Cheng et al, 2007;Yeh et al, 2008). Chiu et al (2008) found that supplementation of sodium alginate, a natural polysaccharide derived from brown algae, to juvenile grouper (Epinephelus fuscoguttatus) diets can significantly enhance innate immune response and disease resistance against Streptococcus sp.…”

Section: Discussionmentioning

confidence: 99%

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Kim¹,

Kim²,

Khosravi³

et al. 2014

Turk. J. Fish. Aquat. Sci.

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A 6-week feeding trial was conducted to evaluate the efficiency of hijiki (Sargassum fusiforme) and ecklonia (Ecklonia cava) as dietary supplements for juvenile olive flounder. Fish growth performance, hematology, innate immunity and disease resistance were examined. A basal experimental diet was used as a control and supplemented with 6% of either S. fusiforme or E. cava and another diet was prepared to contain 0.5% oxytetracycline (designated as Con, Hij-6, Eck-6 and OTC-0.5, respectively). The experiment was conducted in triplicate (25 fish per replicate) and the fish (initial body weight, 18.3±0.04 g) were fed one of the test diets at a rate of 3% body weight twice daily. Significantly higher (P<0.05) antioxidant capacity and polyphenolic compounds concentration were detected in hijiki and ecklonia supplemented diets. At the end of the feeding trial, fish growth performance and feed utilization were not significantly affected by dietary treatments. Significantly higher (P<0.05) hemoglobin level and respiratory burst activity were found in fish fed Hij-6 diet. The fish fed Hij-6 and Eck-6 diets exhibited higher resistance against Edwardsiella tarda challenge compared to those fed Con and OTC-0.5 diets. The findings in this study may show that hijiki and ecklonia can be used as environment friendly substitutes for antibiotics in diets for olive flounder.

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Section: Discussionmentioning

confidence: 99%

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Kim¹,

Kim²,

Khosravi³

et al. 2014

Turk. J. Fish. Aquat. Sci.

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“…ACH50 was determined using the method of Sunyer and Tort (1995) with little modifications described by Yeh, Chang, Chang, Liu, & Cheng (2008). The volume of supernatant complement producing 50% hemolysis (ACH50) was determined, and the number of ACH50 units/ml was calculated for the sample.…”

Section: Hematological Analysismentioning

confidence: 99%

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Hasanpour¹,

Salati²,

Falahatkar³

et al. 2017

Turk. J. Fish. Aquat. Sci.

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Effects of green tea in fish based oxidized oil was evaluated in this study. Lipid of diet was replaced by oxidized fish oil (OFO) at 0, 50 and 100% levels. Green tea extract (GTE) was added to diet in 3 levels, 0, 5 and 100 mg/kg giving a total of 9 experimental diets. Two hundred and seventy sturgeon hybrid (Huso huso ♀ × Acipenser ruthenus ♂), mean weight of 211.71±0.23 g randomly divided in 27 fiberglass tanks with 700 l volume after 2 weeks adaptation. After 6 weeks, biometry was done to evaluate growth performance and blood samples were taken. The result showed that feeding with OFO had no effects on condition factor and specific growth rate. However, in fish fed GTE feed efficiency ratio and protein efficiency ratio improved slightly. Red blood cells were not affected by OFO and GTE while in fish received GTE and both GTE and OFO white blood cells increased significantly (P<0.05). Immunological parameters, (IgM, ACH50 and Lysozyme) showed significant increase in compare to control (P<0.05). Our findings showed that feeding of sturgeon hybrid with OFO had no effects on growth but GTE improved feeding performance. Also OFO had no effects on immune function.

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“…Negative controls consisted of samples without primary antibody. The mean absorbance of the negative controls for each plate was subtracted from the optical density at 490 nm (Yeh et al 2008). …”

Section: Immunological Assaymentioning

confidence: 99%

Growth performance and haematological and immunological indices of rainbow trout (Oncorhynchus mykiss) fingerlings supplemented with dietary Ferulago angulata (Schlecht) Boiss

Bohlouli

Sadeghi

2016

Acta Vet. Brno

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In this study, the effects of Ferulago angulata extract on the growth, haematological, and immunological indices of rainbow trout (Oncorhynchus mykiss) fingerlings were evaluated. Basal diet was supplemented with 0 (control), 0.5, 1, and 2 g·kg -1 F. angulata and was randomly allocated to experimental fish of an initial average weight of 7.45 ± 0.02 g. After 8 weeks of experiment, the fish supplemented with F. angulata extract showed increased but non-significant (P > 0.05) growth performance. No significant differences were found between trial control groups in haematological indices such as red blood cell count, haematocrit, and haemoglobin, but there was a significant increase in white blood cells, lymphocytes, neutrophils and monocytes in the F. angulata extract groups (P < 0.05). Also, there were significant differences between the fish supplemented with dietary F. angulata extract and the control group regarding immunological indices, including immunoglobulin M, lysozyme, and classical and alternative complement pathway (P < 0.05). These findings suggest that the administration of F. angulata extract has a positive effect on the immunological indices and the immune system activity in rainbow trout fingerling. Fish, herbal extract, blood indices, immune system

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Dietary sodium alginate administration affects fingerling growth and resistance to Streptococcus sp. and iridovirus, and juvenile non-specific immune responses of the orange-spotted grouper, Epinephelus coioides

Cited by 142 publications

References 42 publications

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Growth performance and haematological and immunological indices of rainbow trout (Oncorhynchus mykiss) fingerlings supplemented with dietary Ferulago angulata (Schlecht) Boiss

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