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dc.contributor.authorMimbs, Kelly Jeannette
dc.date.accessioned2014-03-03T21:07:03Z
dc.date.available2014-03-03T21:07:03Z
dc.date.issued2003-12
dc.identifier.othermimbs_kelly_j_200312_ms
dc.identifier.urihttp://purl.galileo.usg.edu/uga_etd/mimbs_kelly_j_200312_ms
dc.identifier.urihttp://hdl.handle.net/10724/21340
dc.description.abstractOne hundred forty - four finishing pigs were evaluated using real-time ultrasound and selected into fat and lean pens based on 10 th rib backfat (fat difference > 0.5 cm). All pigs received a basal corn and soybean meal diet containing 18% crude protein and 1.1% lysine and half of the pens received Paylean supplementation of 10 ppm. Pigs were assignment to a 2 x 2 factorial arrangement with two backfat classes (lean and fat) and two levels of Paylean® supplementation (0 and 10ppm). Paylean improved finishing performance by improving feed efficiency and decreasing feed intake but had no affect on average daily gain. Paylean supplementation improved quality and carcass composition. Fatty acid composition and iodine value between ractopamine supplemented and control pigs were similar to those observed in lean versus fat pigs. Thus, Paylean was effective in improving live performance and lean growth while fat and belly quality was not diminished.
dc.languageeng
dc.publisheruga
dc.rightspublic
dc.subjectPaylean
dc.subjectPork
dc.subjectUltrasound
dc.titleThe effects of Paylean on live animal performance, carcass cutability and quality, belly firmness and fatty acid composition of pigs sorted into prefinishing backfat classes using real-time ultrasound
dc.typeThesis
dc.description.degreeMS
dc.description.departmentAnimal and Dairy Science
dc.description.majorAnimal Science
dc.description.advisorT. Dean Pringle
dc.description.committeeT. Dean Pringle
dc.description.committeeMichael Azain
dc.description.committeeTodd Armstrong


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