Effect of Physical and Chemical Treatment of Frond and Barley Straw on Chemical Coposition, Phenolic Compound Concentration and Anaerobic Bacteria

S. A. Hassan, A. J. Hashim, W. H. Al-Samaraae

Abstract


Improving the efficiency of low quality roughage utilization by ruminant is the most effective means to increase voluntary feed intake). The objective of this study was to investigate the effect of Chemical Treatment (CT) with 4% sodium hydroxide of frond and barley straw ground and chopped on chemical composition, in vitro Organic Matter Digestibility (OMD), Phenolic Compound Concentration (PCC) and anaerobic bacteria. Data were analyzed separately for frond and barley straw using a completely randomized design in 2x2 factorial arrangement.
Chemical treatment of frond and barley straw significantly reduced (P< 0.01) organic matter, neutral and acid detergent fibre, hemicellulose and lignin as compared with untreated. In contrast, CT of frond and barley straw significantly increased (P< 0.01) in vitro OMD, PCC and anaerobic bacteria as compared with untreated. The physical form (ground or chopped) of frond had a significant effect (P<0.01) on chemical composition and anaerobic bacteria; whereas no effect was observed for barley straw.

Keywords


Frond, Barley straw, Chemical composition, Phenolic compound concentration, Anaerobic bacteria, Physical treatment, Chemical treatment

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