Abstract
Biochemical, physical and performance evaluation studies were carried out in order to determine the quality of four commercial broilers rations (Guinea feed, GF; Sanders feed, SF; Top feed, TF and Vital feed, VF) manufactured in Nigeria. Percentage moisture content (%MC), ash content (%AC), ether extract (%EE), crude fiber (%CF), crude protein (%CP), nitrogen free extract (%NFE) and calculated metabolizable energy (ME) in MJ/Kg were determined and compared with the nutrient values declared on the brand labels. Performance was investigated using 140, 4 weeks old finisher broilers in a 28 days (4 weeks) experiment. The 4 commercial rations and a control (CT) were fed to 5 replicated groups of the experimental birds each in a completely randomized design (CRD) experiment. There was no significant difference between the analyzed and brand label declared values of CP (P>0.05). However, there were significant (P
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