Evaluation of biological effects of phytochemicals in dairy cattle

dc.contributor.advisorOsborne, V.R.
dc.contributor.authorBorsy, Carolyn E. A.
dc.date.accessioned2020-08-24T15:46:29Z
dc.date.available2020-08-24T15:46:29Z
dc.date.copyright2011
dc.degree.departmentDepartment of Animal and Poultry Scienceen_US
dc.degree.grantorUniversity of Guelphen_US
dc.degree.nameMaster of Scienceen_US
dc.description.abstractA study was conducted to assess the biological effects of the polyphenolic compounds of cocoa powder and green tea extract when administered to lactating dairy cows. Treatments were administered via constant abomasal infusion to eight rumen fistulated, lactating dairy cows in a 4x4 balanced duplicated Latin Square design. Cows received the standard TMR each morning and were milked twice daily in the morning and late afternoon. Blood samples were collected daily from the coccygeal vessel, and milk samples were collected daily at each the morning and afternoon milking. Blood samples were analyzed for NEFA and BHB as indicators of liver function, as well as for complete blood count for an indication of overall immune status. A method for HPLC/MS and GC/MS analysis was developed for future analysis of blood and milk samples to determine the transfer efficiency of polyphenols across the digestive tract, through the blood, and to the mammary gland.en_US
dc.identifier.urihttps://hdl.handle.net/10214/20045
dc.language.isoen
dc.publisherUniversity of Guelphen_US
dc.rights.licenseAll items in the Atrium are protected by copyright with all rights reserved unless otherwise indicated.
dc.subjectDairy cattleen_US
dc.subjectBiological effectsen_US
dc.subjectPhytochemicalsen_US
dc.subjectLactatingen_US
dc.subjectPolyphenolic compoundsen_US
dc.titleEvaluation of biological effects of phytochemicals in dairy cattleen_US
dc.typeThesisen_US

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