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Chitin but not chitosan supplementation enhances growth of grass shrimp, Penaeus monodon

Shiau, S.Y. (National Taiwan Ocean University, Keelung, Taiwan, ROC.) ; Yu, Y.P

The Journal of nutrition, 1998-05, Vol.128 (5), p.908-912 [Periódico revisado por pares]

Bethesda, MD: American Society for Nutritional Sciences

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Título:
Chitin but not chitosan supplementation enhances growth of grass shrimp, Penaeus monodon
Autor: Shiau, S.Y. (National Taiwan Ocean University, Keelung, Taiwan, ROC.) ; Yu, Y.P
Assuntos: Analysis of Variance ; Animal aquaculture ; Animal Nutritional Physiological Phenomena ; Animal productions ; Animals ; Biological and medical sciences ; BLOOD ; BODY COMPOSITION ; Body Composition - drug effects ; Body Composition - physiology ; CALIDAD PROTEICA ; CARBOHIDRATOS ; CARBOHYDRATES ; CHITIN ; Chitin - administration & dosage ; Chitin - analogs & derivatives ; Chitin - pharmacology ; CHITINE ; CHITOSAN ; CHITOSANE ; CHOLESTEROL ; Cholesterol - blood ; Cohort Studies ; COLESTEROL ; COMPLEMENT ALIMENTAIRE ; CORPS GRAS ; CRECIMIENTO ; CROISSANCE ; Crustacea ; Crustaceans ; DIET ; DIETA ; DIETARY FIBRES ; DIGESTIBILIDAD ; DIGESTIBILITE ; DIGESTIBILITY ; DOSAGE EFFECTS ; Dose-Response Relationship, Drug ; Eating - drug effects ; Eating - physiology ; EFECTOS DE DOSIFICACION ; EFFET DOSE ; EFFICACITE ALIMENTAIRE ; EFICIENCIA DE CONVERSION DEL PIENSO ; EXPERIMENTACION ; EXPERIMENTATION ; FATS ; FEED CONVERSION EFFICIENCY ; FIBRA DE LA DIETA ; FIBRE ALIMENTAIRE ; Fundamental and applied biological sciences. Psychology ; GAIN DE POIDS ; GANANCIA DE PESO ; GLUCIDE ; GRASAS ; GROWTH ; Invertebrate aquaculture ; Lipid Metabolism ; LIVEWEIGHT ; LIVEWEIGHT GAIN ; NUTRIENT SOURCES ; NUTRIENTES ; NUTRIENTS ; Nutrition ; NUTRITIVE VALUE ; Penaeidae - drug effects ; Penaeidae - growth & development ; PENAEUS MONODON ; PESO ; POIDS ; PROTEIN QUALITY ; PROTEINAS ; PROTEINE ; PROTEINS ; Proteins - metabolism ; QUALITE PROTEIQUE ; QUITINA ; QUITOSANO ; REGIME ALIMENTAIRE ; SANG ; SANGRE ; SUBSTANCE NUTRITIVE ; SUPERVIVENCIA ; SUPLEMENTOS ; SUPPLEMENTS ; SURVIE ; SURVIVAL ; Survival Analysis ; VALEUR NUTRITIVE ; VALOR NUTRITIVO ; WEIGHT ; WEIGHT GAIN ; Weight Gain - drug effects ; Weight Gain - physiology
É parte de: The Journal of nutrition, 1998-05, Vol.128 (5), p.908-912
Notas: 1997092324
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Descrição: The effect of chitin, poly-beta-(1 leads to 4)-N-acetyl-glucosamine, and chitosan, a polymer of glucosamine obtained by the deacetylation of chitin, on growth and nutrient digestibility was studied in grass shrimp, Penaeus monodon. Shrimp were fed for 8 wk diets containing no supplement (control) or 2, 5 or 10 g/100 g chitin or chitosan. Each diet was fed to triplicate groups of shrimp with a mean initial body weight of 0.45 +/- 0.05 g. Significantly higher body weight gains were observed in shrimp fed the 5% chitin diet than in those fed the 10% chitin or the control diet. The weight gain of shrimp decreased as dietary chitosan supplementation level increased (r = 0.87, P 0.05). Feed efficiencies (FE) and protein efficiency ratios (PER) followed the same pattern. Lower protein and lipid digestibilities and lower body protein and lipid contents were observed in shrimp fed all chitosan-containing diets than in controls (P 0.05). Carbohydrate digestibility was lower in shrimp fed the 10% chitosan diet than in those fed the control diet. Lower protein and lipid digestibilities, body lipid content and blood cholesterol concentration were observed in shrimp fed the 10% chitin diet compared with controls (P 0.05). Higher weight gains, body lipid contents and blood cholesterol concentrations were observed in shrimp fed the 2 and 5% chitin diets than in those fed the chitosan diets. Shrimp fed the 5% chitin diet had higher protein and lipid digestibilities and higher body protein content than those fed the 5% chitosan diet (P 0.05). These data suggest that dietary chitin, supplemented at 5%, enhances P. monodon growth, whereas chitosan depresses shrimp growth, regardless of the supplementation level
Editor: Bethesda, MD: American Society for Nutritional Sciences
Idioma: Inglês

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Chitin but not chitosan supplementation enhances growth of grass shrimp, Penaeus monodon

Shiau, S.Y. (National Taiwan Ocean University, Keelung, Taiwan, ROC.) ; Yu, Y.P

Bethesda, MD: American Society for Nutritional Sciences

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