Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/44937
Título: Improved feed utilization, intestinal mucus production and immune parameters in sea bass (Dicentrarchus labrax) fed mannan oligosaccharides (MOS)
Autores/as: Torrecillas, S.
Makol, A.
Caballero Cansino, María José 
Montero Vítores, Daniel 
Ginés Ruiz, Rafael 
Sweetman, J.
Izquierdo López, María Soledad 
Clasificación UNESCO: 251092 Acuicultura marina
3105 Peces y fauna silvestre
310507 Hábitos de alimentación
310406 Nutrición
Palabras clave: Sea bass
Mucus
Flesh quality
Liver morphology
Immune parameters, et al.
Fecha de publicación: 2011
Editor/a: 1353-5773
Publicación seriada: Aquaculture Nutrition 
Resumen: In the present study, the effects of dose dietary administration of mannan oligosaccharides (MOS) (Bio‐Mos; Alltech Inc.) on growth, digestibility, liver morphology, lipid and carbohydrate metabolism enzymes, organoleptic properties, immune parameters and gastrointestinal tract mucus production were assessed. MOS dietary inclusion significantly reduced lipogenic enzymes activity in liver and resulted in a lower lipid vacuolization and more regular‐shaped morphology of hepatocytes around the sinusoidal spaces, which could be associated to a better energy and feed utilization because of the improvement of feed utilization and the reduction of feed intake found in the current experiment. Moreover, MOS inclusion enhanced phagocytic activity of head kidney leukocytes in fish fed 4 and 6 g kg−1 MOS diets at days 30, 45 and 60. Gut quantitative morphological analyses showed a marked dose‐dependent enhancement in the number of cells secreting acid mucins by unit of area which could be related to the previous improvement in resistance to bacterial infection. No effects on sensorial parameters and biochemical composition of flesh were detected.
URI: http://hdl.handle.net/10553/44937
ISSN: 1353-5773
DOI: 10.1111/j.1365-2095.2009.00730.x
Fuente: Aquaculture Nutrition [ISSN 1353-5773], v. 17, p. 223-233
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