EFFECT OF ENZYME INCLUSION ON GROWTH PERFORMANCE HAEMATOLOGICAL AND SERUM BIOCHEMICAL RESPONSES OF FINISHER BROILER CHICKENS FED SORGHUM BASED DIETS

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

Abstract


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.

Keywords


Sorghum, phytase, haematology, serum biochemistry, broiler.

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References


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