M. A. Oguntoye, U. M. Mafindi, B. A. Ardo, F. Adamu, D. K. Daniel, G. Marcel, S. K. Tangsom


One hundred and five day – old broiler chickens of mixed sexes were used to investigate the effect of different levels of sorghum as a replacement for maize on growth performance, haematological and serum biochemical indices. Five diets were formulated to contain 0% (Control), 25%, 50%, 75% and 100% replacement levels of Sorghum in a completely randomized design. The experiment lasted for 56 days. Results showed that birds on 25% and 50% replacement levels of Sorghum had average daily weight gain, feed intake and feed conversion ratio that were comparable (P>0.05) to those on the control diet. Packed cell volume, red blood cell, mean corpuscular haemoglobin concentration and mean corpuscular haemoglobin were significantly (p < 0.05) influenced by varying inclusion level of sorghum as a replacement for maize. Birds fed diet containing 50% level of sorghum replacement (D3) with enzyme inclusion recorded higher (p < 0.05) statistical values of 44.30g/l, 15.25g/l, 29.05g/l and 4.60mmol/l for total protein, albumin, globulin and cholesterol respectively. Birds fed diet containing 100% sorghum (D5) with enzyme recorded least (p < 0.05) value of 31.85g/l for total protein compared to 44.30 g/l obtained in the birds fed D3. It was concluded that sorghum with enzyme inclusion as a replacement for maize could be efficiently utilized and tolerated by broiler chickens at 25% and 50% inclusion levels for improved performance without any deleterious effect. However, further investigation into other methods that can efficiently aid bio-availability of nutrients from higher inclusion levels of sorghum as a replacement for maize needs to be carried out.


Sorghum, phytase, haematology, serum biochemistry, broiler.

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