Proximate analysis of fibres of grain sorghum, pearl millet and sesame residues and their fractions in Gadarif State, Sudan

Asma H. M. Hamed, Mohmed E. Elimam

Abstract


Proximate analysis and fibres were determined in different fractions of sorghum stover [Sorghum bicolor (L.) Moench.] (Arfaa gadamac variety), sesame straw (Sesamum indicum L.) and millet straw [Pennisetum typhoides (Burm.)] with roots or without roots in Gadarif State, Sudan, in 2007. The plants were divided into upper, middle and lower parts and leaves. There were great variations in the composition of the straws and their fractions and they had low crude protein (CP) and high fibre content. Sorghum stover had the highest CP, ash and nitrogen free extract (NFE) and the lowest crude fibres (CF) and modified acid detergent fibres (MADF) among the crop residues. Millet straw had the lowest ether extract (EE) and NFE and the highest neutral detergent fibres (NDF) and MADF. Crude fibre was not significantly (P>0.05) different in millet and sesame straws. Leaves had the highest CP and lowest fibre content. Crop residues nutritive value declined from the top to the bottom of the  plants.

 


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