Abstract
The effects of feeding graded levels of bio-detheobrominized cocoa bean shell (CBS) based diets were studied in broilers. Detheobromination by fungi fermentation (bio-detheobromination) reduces the methylxanthine contents cocoa by-products when fermented with Aspergillus niger . 196 day old broiler chicks were used for the experiment in an eight week feeding trial. There were seven dietary treatments containing graded levels of CBS from 0 to 30% at the expense of maize and soyabean meal. The control group had no CBS in its diet. Parameters measured include feed intake, body weight gain, feed conversion ratio, carcass characteristics and gut morphology. The results showed that total feed intake, average body weight gain, feed conversion ratio, weight of internal organs and gut morphology were significantly (p ˂0.05) different across dietary treatments while the carcass characteristics did not show any significant (p>0.05) difference. The result of the study revealed that there was a significant reduction in the weight gain and feed efficiency of the
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