Journal ArticleDOI
Carbohydrates in fish nutrition: effects on growth, glucose metabolism and hepatic enzymes
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TLDR
The focus then shifts to selected aspects of hormonal regulation of carbohydrate metabolism and dietary carbohydrates and their variable effects on glycogen and glucose turnover, and the correlation of dietary carbohydrates with fish health.Abstract:
The utilisation of dietary carbohydrates and their effects on fish metabolism are reviewed. Details on how dietary carbohydrates affect growth, feed utilisation and deposition of nutrients are discussed. Variations in plasma glucose concentrations emphasizing results from glucose tolerance tests, and the impact of adaptation diets are interpreted in the context of secondary carbohydrate metabolism. Our focus then shifts to selected aspects of hormonal regulation of carbohydrate metabolism and dietary carbohydrates and their variable effects on glycogen and glucose turnover. We analyse the interaction of carbohydrates with other nutrients, especially protein and protein sparing, and de novo synthesis of lipids, and finish by discussing the correlation of dietary carbohydrates with fish health.read more
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Elevated temperature promotes growth and feed efficiency of farmed ballan wrasse juveniles (Labrus bergylta)
TL;DR: Results showed that the production cycle could be shortened by >4 months in fish reared at 16 °C, which could contribute to increase hatchery productivity and meet demand from the salmon production sector while reducing costs associated with the nursery phase although maintaining a constant high temperature would increase operational costs.
Journal ArticleDOI
Estimated time for recovery from transportation stress and starvation in juvenile Pacific bluefin tuna Thunnus orientalis
Tomoki Honryo,Tokihiko Oakada,Masato Kawahara,Michio Kurata,Yasuo Agawa,Yoshifumi Sawada,Shigeru Miyashita,Kenji Takii,Yasunori Ishibashi +8 more
TL;DR: It is suggested that the first 3 days after stocking are a critical period for recovery from transportation stress and it is necessary to develop appropriate management techniques to alleviate the high mortality caused by these stress responses.
Journal ArticleDOI
AMPK activation by dietary AICAR affects the growth performance and glucose and lipid metabolism in juvenile grass carp
TL;DR: It is demonstrated that activating AMPK by AICAR reduces serum glucose and inhibits activities of ACC and SREBP‐1 to reduce lipogenesis in the liver and muscle, and AMPK could be used as an active target for its metabolic syndromes of grass carp.
Journal ArticleDOI
Fish meal replacement by corn gluten in feeds for juvenile spotted rose snapper (Lutjanus guttatus): Effect on growth performance, feed efficiency, hematological parameters, protease activity, body composition, and nutrient digestibility
Crisantema Hernández,Cynthia E. Lizárraga-Velázquez,Daniela Contreras-Rojas,Erika Yazmín Sánchez-Gutiérrez,Emmanuel Martínez-Montaño,Emmanuel Martínez-Montaño,Leonardo Ibarra-Castro,Emyr Saúl Peña-Marín +7 more
TL;DR: Growth performance and feed efficiency at 60% FM replacement showed no significant differences, and the replacement of fish meal by corn gluten meal (CGM) in practical diets for juvenile spotted rose snapper was evaluated.
Journal ArticleDOI
Dietary bile acids reduce liver lipid deposition via activating farnesoid X receptor, and improve gut health by regulating gut microbiota in Chinese perch (Siniperca chuatsi)
TL;DR: Wang et al. as mentioned in this paper explored the effects of dietary bile acids (BAs) supplementation on lipid metabolism and gut health of Chinese perch (Siniperca chuatsi), and its possible mechanisms.
References
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Cortisol in teleosts: dynamics, mechanisms of action, and metabolic regulation
TL;DR: This review attempts to delineate common themes on the physiological and metabolic roles of cortisol in teleost fishes and to suggest new approaches that might overcome some of the inconsistencies on the role of this multifaceted hormone.
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Stress responses and disease resistance in salmonid fish: Effects of chronic elevation of plasma cortisol
TL;DR: It is shown, by means of intraperitoneal implantation of cortisol, that chronic elevation of plasma cortisol levels in the brown trout results in a dose-dependent increase in mortality due to common bacterial and fungal diseases.
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What if Minkowski had been ageusic? An alternative angle on diabetes.
TL;DR: It is suggested that the phenomena of insulin resistance and hyperglycemia might be more readily understood if viewed in the context of underlying abnormalities of lipid metabolism.
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Pancreatic beta-cells are rendered glucose-competent by the insulinotropic hormone glucagon-like peptide-1(7-37)
TL;DR: It is reported here that GLP-1 confers glucose sensitivity to glucose-resistant p-cells, a phenomenon the authors term glucose competence, which is similar to membrane depolarization, the generation of action potentials, and Ca2+ influx, events that are known to trigger insulin secretion.
Journal ArticleDOI
Glucose-6-phosphate dehydrogenase: a "housekeeping" enzyme subject to tissue-specific regulation by hormones, nutrients, and oxidant stress.
TL;DR: The central question of this review is “How can the G6PDH gene be constitutively expressed in some tissues while displaying adaptive regulation in others when there exists a single transcription unit for the gene?”