Comparison of Different Protein Sources in a Starter Feeding Program for Broiler Chickens Raised Without Antimicrobials

dc.contributor.advisorKiarie, Elijah
dc.contributor.authorTsementzis, Anastasia of Animal Biosciencesen_US of Guelphen of Scienceen_US Biosciencesen_US
dc.description.abstractFormulating broiler starter diets incorporates specialty highly digestible protein feedstuffs (SPF) in partial replacement of soybean meal (SBM) and antibiotic growth promoters (AGP) in alignment with immature digestive capacity. There is limited comparative data on the effectiveness of SPF on lifetime growth performance, gastrointestinal function and metabolism. Experiments were conducted to assess impacts of 4 SPF (enzymatically treated soybean meal, soy protein concentrate, pork meal, and black soldier fly larvae meal) in starter on these parameters. Six starter diets included SPF to compare to SBM as the control, were followed by common diet to 49 days. Metabolism and intestinal ecology effects of SPF and AGP in starter were transient, and partial replacement of SBM with SPF was commensurate to AGP in bolstering growth in starter phase, resulting in heavier market weights.en_US
dc.description.sponsorshipNatural Sciences and Engineering Research Council of Canada
dc.description.sponsorshipOntario Agri-Food Innovation Alliance
dc.publisherUniversity of Guelphen
dc.rights.licenseAll items in the Atrium are protected by copyright with all rights reserved unless otherwise indicated.
dc.subjectbroiler chicken_US
dc.subjectstarter feeding programen_US
dc.subjectspecialty protein feedstuffsen_US
dc.subjectprotein digestibilityen_US
dc.subjectgrowth performanceen_US
dc.titleComparison of Different Protein Sources in a Starter Feeding Program for Broiler Chickens Raised Without Antimicrobialsen_US
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