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Theses/Dissertations

2013

Graduate Theses and Dissertations

Animal Sciences

Broiler chicken

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Full-Text Articles in Life Sciences

Characterization Of The Effects Of Intestinal Physiology Modified By Exogenous Enzymes And Direct-Fed Microbial On Intestinal Integrity, Energy Metabolism, Body Composition And Performance Of Laying Hens And Broiler Chickens, Ganapathi Raj Murugesan Jan 2013

Characterization Of The Effects Of Intestinal Physiology Modified By Exogenous Enzymes And Direct-Fed Microbial On Intestinal Integrity, Energy Metabolism, Body Composition And Performance Of Laying Hens And Broiler Chickens, Ganapathi Raj Murugesan

Graduate Theses and Dissertations

The objective of this dissertation was to evaluate the effects of exogenous enzymes (EE) and direct-fed microbial (DFM) supplementation on bird intestinal integrity, energy metabolism, body composition and performance of laying hens and broiler chickens. The effects of reduced dietary metabolizable energy (ME) on performance, intestinal integrity and body composition of laying hens were evaluated in two experiments. A reduction of 90 kcal/kg of dietary ME over a period of 12 weeks did not significantly alter performance or nitrogen corrected apparent ME (AMEn), but reduced abdominal fat pad. In the follow-up experiment, no significant differences were noted in performance ...