Improvement of Rumen Degradability to Low-quality Tropical Forage with the Addition of a Complete Supplement 1

Ramaiyulis, Ramaiyulis and Zain, M and Ningrat, RWS and Warly, L (2018) Improvement of Rumen Degradability to Low-quality Tropical Forage with the Addition of a Complete Supplement 1. In: 1st Workshop on Multidisciplinary and Its Applications Part 1, WMA-01 2018, 20-21 Januari 2018, Aceh, Indonesia.

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Abstract

The low productivity of beef cattle is primarily due to the low rumen degradability of forage ration. This study aims to determine the level of addition complete supplement in improving rumen degradability to low quality tropical forages. The study was conducted in vitro using beef cattle rumen fluid treated with 4 levels of addtion complete supplement (0, 5,10 and 15% DM) in tropical forage was paspalum conjugatum containing CP 5.41%, NDF 56.47% and lignin 10.86%. Complete supplements are prepared from red sugar, bran, coconut meal, soybean meal, tapioca, urea, salt and mineral, with addition of 10% gambier pulp as source of condensed tannin. The addition of a complete supplement at level 10% significant (P <0.01) increased rumen degradability of dry matter, organic matter, crude fiber and crude protein. The concentration of NH3 in rumen fluid increased significantly (P <0.01) at the supplement level of 10% while the TCA-soluble N increased significantly (P <0.01) at the 5% supplement level. But the pH and total VFA were not significant effect (P> 0.05). Best level of complete supplement addition is 10% DM ration, while at level 15% gives negative tendency effect caused by negative effect of condensed tannin.

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