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dc.contributor.authorLiljedahl, Allison Amy
dc.date.accessioned2014-03-04T02:51:18Z
dc.date.available2014-03-04T02:51:18Z
dc.date.issued2007-12
dc.identifier.otherliljedahl_allison_a_200712_ms
dc.identifier.urihttp://purl.galileo.usg.edu/uga_etd/liljedahl_allison_a_200712_ms
dc.identifier.urihttp://hdl.handle.net/10724/24435
dc.description.abstractThe addition of phytase at 1500 FTU/kg to low-P and adequate-P diets was examined for changes in bone and plasma minerals, as well as nutrient digestibility. There was no change in growth data due to the addition of phytase. Additionally, phytase did not affect bone calcium in either the splint or third metacarpal. Phosphorous in the splint bone was decreased by the addition of phytase (P< .05). The mineral levels between the two bones types were different (P<.0001), with the third metacarpal containing nearly double the percentage of calcium and phosphorous. Plasma minerals were not affected by phytase or the different diets. In addition, there was no effect on energy or calcium digestibility. Phosphorous digestibility was affected at day 120 by the diets. The low-P diet had higher digestibility percentages. Phosphorous digestibility was also improved by the addition of phytase to the adequate-P diet.
dc.languageeng
dc.publisheruga
dc.rightspublic
dc.subjectbone
dc.subjectcalcium
dc.subjecthorses
dc.subjectphosphorous
dc.subjectphytase
dc.subjectphytate
dc.titleThe effects of phytase on calcium & phosphorous digestibility and bone composition in weanling horses
dc.typeThesis
dc.description.degreeMS
dc.description.departmentAnimal and Dairy Science
dc.description.majorAnimal and Dairy Science
dc.description.advisorGary Heusner
dc.description.committeeGary Heusner
dc.description.committeeC. Robert Dove
dc.description.committeeMichael Azain


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