Differential Expression of Focus Genes Associated Feed Efficiency

Presented by: Dr. Walter Bottje, Professor, Dept. of Poultry Science, University of Arkansas | Duration: 41:26 minutes

Global RNA expression in breast muscle obtained from a male broiler line phenotyped for high or low feed efficiency (FE) was investigated using microarray analysis. By using an overlay function of IPA in which canonical pathways can be projected onto a set of genes, differentially expressed focus genes were identified. We selected 130 out of 260 possible canonical pathways in the IPA program that would likely be associated with normal metabolic activities and did not select those that were obviously tissue or disease specific. The results of this study provide additional insight into gene expression in muscle associated with the phenotypic expression of feed efficiency in broilers.

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