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In Vitro Assessment of Nutritive Value of Unconventional Feed Resource as Livestock Feed

P.S. Banakar K. Ally E. Lokesh Arathy Saseendran Jasitha Jaafar George Dominic
Vol 7(6), 159-169

This investigation aims to evaluate the nutritive value of water hyacinth, rain tree pods and Mimosa pudica through chemical composition and In vitro gas production technique. Water hyacinth was categorised in to water hyacinth leaves (WHL) and water hyacinth petioles (WHP); rain tree pods into Rain tree seeds (RTS) and pods without (PWS). RTS had highest CP content of 29%, while WHP had lowest CP content of 17.01%. NDF was found having the lowest values for PWS (52.49%) followed by Mimosa pudica (53.60%) and WHP (55.90%). ADF ranged from 29.70% (Mimosa pudica) to 36.5% (WHL). In vitro gas production (GP; ml/200mg DM) was low in the incubations of WHP (13.26±0.28) and higher (P<0.05) GP was noticed in RTS (40.14±1.04). Highest DM and OM digestibility was found in RTS (86.88%; 87.46%) and the lowest in Mimosa pudica (52.34%; 52.16%). ME varied from 3.51±0.14 (WHP) to 10.36±0.16 (RTS). The highest total VFA production from ruminal fermentation was with RTS (62.76±1.99) and the lowest with Mimosa pudica (31.90±6.16). Based on the chemical composition, these feedstuffs could be categorised as medium to high protein containing feeds and can be considered for protein supplementation in feeding ruminants. From the results of ME and TVFA, these feedstuffs could potentially serve as energy source and can be included in the ruminant ration.

Keywords : In vitro Gas Production Digestibility Rain Tree Pods Water Hyacinth Volatile Fatty Acids

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