Effects of fructooligosaccharide alone or in combination with phytase on growth performance, nutrient utilization, immune response and gut development of broiler chickens

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dc.contributor.authorShang, Yue
dc.contributor.examiningcommitteeKhafipour, Ehsan (Animal Science) Eck, Peter (Human Nutritional Sciences)en_US
dc.contributor.supervisorKim, Woo Kyun (Animal Science) Slominski, Bogdan (Animal Science)en_US
dc.date.accessioned2014-08-25T13:20:52Z
dc.date.available2014-08-25T13:20:52Z
dc.date.issued2014-08-25
dc.degree.disciplineAnimal Scienceen_US
dc.degree.levelMaster of Science (M.Sc.)en_US
dc.description.abstractTwo experiments were conducted to evaluate the effect of fructooligosaccharide (FOS) supplementation in broiler chickens. In experiment 1, the effect of FOS supplementation and in combination with phytase on growth performance, bone quality and phosphorus utilization was evaluated in broiler chickens fed standard or low calcium (Ca) and phosphorus (P) diets. The phytase supplementation in low Ca and P diets improved growth performance, bone quality and P utilization. The combination of phytase and FOS increased BW gain and P retention. However, supplemental FOS alone had negative effects on bone quality. Experiment 2 investigated the effect of FOS supplementation on growth performance, immune responses, intestinal morphology and ileal microbiota with or without Salmonella Enteritidis lipopolysaccharide (LPS) challenge. Supplemental FOS improved ileal mucosa thickness, modified ileal microbiota, elevated cytokine gene expressions, altered leukocytes composition and increased serum antibody levels in response to LPS challenge. Fructooligosaccharide supplementation may play a protective role on gut development and immunity of broiler chicken.en_US
dc.description.noteOctober 2014en_US
dc.identifier.urihttp://hdl.handle.net/1993/23864
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.subjectFructooligosaccharideen_US
dc.subjectChickenen_US
dc.subjectPrebioticsen_US
dc.subjectNutritionen_US
dc.subjectImmuneen_US
dc.subjectMicrobiotaen_US
dc.titleEffects of fructooligosaccharide alone or in combination with phytase on growth performance, nutrient utilization, immune response and gut development of broiler chickensen_US
dc.typemaster thesisen_US
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