Replacing corn with pearl millet (raw and sprouted) with and without enzyme in chickens' diet
2016
Afsharmanesh, M. | Ghorbani, N. | Mehdipour, Z.
An experiment was conducted to compare a commercial corn–soya bean meal diet with a pearl millet (raw and sprouted) diet containing less soya bean meal, alone or in combination with exogenous enzyme, on growth performance and ileal villus development of chicks. Two‐hundred‐and‐forty‐one‐day‐old male broilers (10/pen) were randomly allocated to one of the following dietary treatments: (i) a standard corn–soya bean meal control diet (CTL); (ii) a raw pearl millet‐soya bean meal diet (PM); (iii) a sprouted pearl millet‐soya bean meal diet (SPM); (iv) CTL + exogenous enzymes (CE); (v) PM + exogenous enzymes (PE); and (vi) SPM + exogenous enzymes (SPE) with four replicate pens/treatment. Body weight of birds at day 21 did not differ between those fed the CTL, and SPM and PE diets. In comparison with feeding broilers the CTL diet, feeding the PE and SPM diets caused significant decrease in feed intake, but with equivalent growth and feed efficiency. However, at day 21, feed conversion ratio did not differ between birds fed the CTL diet and those fed the PM, PE and SPM diets. At day 21, broilers fed the PM and PE diets had longer villi (p < 0.05) than those fed the CTL diet. At day 21, villi width was reduced (p < 0.05) by raw pearl millet supplementation than CTL diet. It is concluded that, in comparison with corn, broiler diets formulated with sprouted pearl millet or pearl millet with enzyme require less soya bean meal and can be used to improve growth performance traits and villus development.
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