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444 results on '"Bai, Sungchul C"'

7. Modulatory Effect of Three Intestinally Isolated Dietary Probiotic Bacteria in Low Fish Meal Diets on Growth, Feed Utilization, Serum Biochemistry, Innate Immunity, Gut Health and Resistance Against Bacterial Challenge in Juvenile Olive Flounder Paralichthys olivaceus

Author

Choi, Wonsuk, primary, Moniruzzaman, Mohammad, additional, Bae, Jinho, additional, Lee, Seunghan, additional, Min, Taesun, additional, Lee, Seunghyung, additional, and Bai, Sungchul C., additional

Published
2024
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8. Evaluation of Gamma-Aminobutyric Acid (GABA) as a Functional Feed Ingredient on Growth Improvement, Stress Reduction, Immune Enhancement and Disease Resistance in Olive Flounder (Paralichthys olivaceus) under High Stocking Density

Author

Bae, Jinho, primary, Moniruzzaman, Mohammad, additional, Je, Hyeong-Woo, additional, Lee, Seunghan, additional, Choi, Wonsuk, additional, Min, Taesun, additional, Kim, Kang-Woong, additional, and Bai, Sungchul C., additional

Published
2024
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14. Effects of Dietary Polyunsaturated Fatty Acid Enriched Diets on Breeding, Embryonic Development and Organogenesis of Rohu Carp, L. Rohita (Hamilton 1822)

Author

Rumki, Shahanaj Parvin, primary, Moniruzzaman, Mohammad, additional, Hossain, Md. Saddam, additional, Saha, Tutul Kumar, additional, Tabassum, Anika, additional, Moin, Maria Binte, additional, Ibnat, Sadia, additional, Bai, Sungchul C., additional, Min, Taesun, additional, and Hossain, Zakir, additional

Published
2024
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20. Effect of Four Functional Feed Additives on Growth, Serum Biochemistry, Antioxidant Capacity, Gene Expressions, Histomorphology, Digestive Enzyme Activities and Disease Resistance in Juvenile Olive Flounder, Paralichthys olivaceus

Author

Choi, Wonsuk, primary, Moniruzzaman, Mohammad, additional, Hamidoghli, Ali, additional, Bae, Jinho, additional, Lee, Seunghyung, additional, Lee, Seunghan, additional, Min, Taesun, additional, and Bai, Sungchul C., additional

Published
2023
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32. Evaluation of dietary fermented tuna by-product meal as partial replacement for unprocessed tuna by-product meal in fishmeal-based diets for juvenile olive flounder Paralichthys olivaceus

Author

Aya, Frolan, Moniruzzaman, Mohammad, Pagador, Gregoria E., Won, Seonghun, Hamidoghli, Ali, Min, Taesun, Bai, Sungchul C., Aya, Frolan, Moniruzzaman, Mohammad, Pagador, Gregoria E., Won, Seonghun, Hamidoghli, Ali, Min, Taesun, and Bai, Sungchul C.

Abstract

This study examined the effects of feeding fermented tuna by-product (FTBP) on the growth, non-specific immune response, liver and intestinal morphology, and disease resistance of olive flounder Paralichthys olivaceus. Olive flounders (n = 20; 2 g) were randomly assigned into four dietary groups in triplicates. Fish were fed four test diets (50% crude protein; 10% crude lipid) for 10 weeks in which unprocessed tuna by-product (TBP) meal was replaced (on a protein basis) with 0% (FTBP0 as the control diet), 15% (FTBP15), 30% (FTBP30), and 60% (FTBP60) of FTBP protein. Results showed that growth performance, blood parameters, and proximate composition were not influenced by FTBP inclusion. Non-specific immune parameters such as superoxide dismutase activity in the FTBP30 and FTBP60 groups were significantly higher than in the FTBP15 and the control groups, whereas lysozyme and myeloperoxidase activities were not different. Liver histopathology revealed normal architecture in groups fed FTBP0 and FTBP15 diets although mild alterations were noted in the FTBP30- and FTBP60-fed groups. Intestinal villi height and muscular thickness were not significantly altered with FTBP inclusion. Moreover, higher cumulative survival rate was observed in the FTBP60-fed group than fish fed with the other diets following the 13-day challenge with E. tarda. Together, these results demonstrate that fermented tuna by-product meal could be included at 60% in olive flounder diets.

Published
2022

34. Evaluation of Yeast Hydrolysate in a Low-Fishmeal Diet for Whiteleg Shrimp (Litopenaeus vannamei).

Author

Hamidoghli, Ali, Lee, Yein, Hwang, Soyeon, Choi, Wonsuk, Choi, Youn-Hee, and Bai, Sungchul C.

Subjects
WHITELEG shrimp, BETA-glucans, CHITIN, DIET, YEAST, VIBRIO parahaemolyticus, NATURAL immunity, INTESTINAL diseases
Abstract

Simple Summary: Strategies to reduce the amount of marine ingredients in the diet of commercially important species such as whiteleg shrimp have received great attention. Yeast products obtained from Saccharomyces cerevisiae are a rich source of protein, amino acids and energy. Furthermore, yeast is a abundant source of nucleotides, beta-glucans, mannan oligosaccharides, chitin and peptides that have shown to improve immune response, growth performance and stress resistance in shrimp. The results of the present study showed that supplementing 4% of hydrolyzed yeast in shrimp diet with low fishmeal (10%) could improve growth, intestinal morphology and disease resistance. An eight-week feeding trial was performed to evaluate the effects of yeast hydrolysate (YH) supplementation in a low-fishmeal diet on the growth, immune responses, intestinal histology and disease resistance of whiteleg shrimp (Litopenaeus vannamei). Five experimental diets were produced by supplementing YH at 0 (CON), 0.5 (YH0.5), 1 (YH1), 2 (YH2) and 4 (YH4) % to a basal diet containing 10% fishmeal and compared with a positive control with 25% fishmeal (FM25). Shrimp with an initial average weight of 0.43 ± 0.005 g (mean ± SD) were stocked in 18 tanks and fed the experimental diets (38% protein and 8% lipid) four times a day. Results showed that shrimp fed the FM25 diet exhibited significantly higher final body weight, weight gain, specific growth rate and protein efficiency ratio than those fed CON, YH0.5, YH1 and YH2 diets (p < 0.05). However, there were no significant differences between shrimp fed the YH4 and FM25 diets (p > 0.05). In addition, there were no significant differences in whole-body proximate composition, hemolymph biochemical parameters and non-specific immune responses among treatments. Intestinal villi length and muscular layer thickness of shrimp fed the YH4 and FM25 diets were significantly higher than the other groups. At the end of the bacterial (Vibrio parahaemolyticus) challenge test, shrimp fed YH4 and FM25 diets showed a significantly higher survival rate than those of shrimp fed CON, YH0.5 and YH1 (p < 0.05). These results suggest that supplementing 4% YH in diet containing 10% fishmeal could beneficially influence growth, intestinal morphology and disease resistance of whiteleg shrimp. [ABSTRACT FROM AUTHOR]

Published
2023
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48. Evaluation of Dietary Soluble Extract Hydrolysates with or without Supplementation of Inosine Monophosphate Based on Growth, Hematology, Non-Specific Immune Responses and Disease Resistance in Juvenile Nile Tilapia Oreochromis niloticus

Author

Bae, Jinho, primary, Song, Yujin, additional, Moniruzzaman, Mohammad, additional, Hamidoghli, Ali, additional, Lee, Seunghan, additional, Je, Hyeongwoo, additional, Choi, Wonsuk, additional, Min, Taesun, additional, and Bai, Sungchul C., additional

Published
2021
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50. Dietary lipid requirement of whiteleg shrimp Litopenaeus vannamei juveniles cultured in biofloc system

Author

Hamidoghli, Ali, Won, Seonghun, Aya, Frolan, Yun, Hyeonho, Bae, Jinho, Jang, In-Kwon, Bai, Sungchul C., Hamidoghli, Ali, Won, Seonghun, Aya, Frolan, Yun, Hyeonho, Bae, Jinho, Jang, In-Kwon, and Bai, Sungchul C.

Abstract

An eight-week feeding trial was conducted to evaluate the contribution of biofloc on dietary lipid requirement in whiteleg shrimp Litopenaeus vannamei. Five diets with graded levels of dietary lipid (45, 60, 90, 120 and 150 g/kg) were fed to juvenile shrimp. Final weight, weight gain and specific growth rate of shrimp fed diets with 60, 90 and 120 g/kg lipid levels were significantly higher than those of shrimp fed diets with lipid levels 45 and 150 g/kg (p < .05). Feed efficiency and protein efficiency ratio of shrimp fed 60, 90 and 120 g/kg were higher than those fed 150 g/kg diet. Plasma total cholesterol and triglyceride levels were lower in shrimp fed 45 g/kg compared with those fed the 90 g/kg (p < .05). Also, lysozyme activity for 90 g/kg group was higher than the 15 g/kg group. Hepatopancreas lipase and amylase activities of shrimp fed 90 and 120 g/kg diets were significantly higher than those of shrimp fed 45 and 150 g/kg diets. Broken-line regression analysis for weight gain indicated that the dietary lipid requirement of whiteleg shrimp juveniles reared in a biofloc system was estimated to be higher than 56 g/kg but <60 g/kg.

Published
2020

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