THE EFFECT OF Acacia villosa SUPPLEMENTATION AND ITS COMBINATION WITH Gliricidia maculata IN A RATION CONTAINING NATIVE GRASS ON in vitra FERMENTABILITY AND DIGESTIBILITY



Anita S. Tjakradidjaja(1*), Komang G. Wiryawan(2), Sinar Jenny S. Togatorop(3), G. Ayu Widiani D. Rahmawati(4)

(1) 1. Centre for Life Sciences Study, Research Institute - Bogor Agricultural University — Karnpus Drarnaga — Bogor 16680 2. Department of Animnal Nutrition & Feed Sciencs, Faculty ofAnimai Science - Bogor Agricultural University — Kampt-Ls Dramaga - Bogor 16680
(2) 1. Centre for Life Sciences Study, Research Institute - Bogor Agricultural University — Karnpus Drarnaga — Bogor 16680 2. Department of Animnal Nutrition & Feed Sciencs, Faculty ofAnimai Science - Bogor Agricultural University — Kampt-Ls Dramaga - Bogor 16680
(3) Department of Animnal Nutrition & Feed Sciencs, Faculty ofAnimai Science - Bogor Agricultural University — Kampt-Ls Dramaga - Bogor 16680
(4) Department of Animnal Nutrition & Feed Sciencs, Faculty ofAnimai Science - Bogor Agricultural University — Kampt-Ls Dramaga - Bogor 16680
(*) Corresponding Author

Abstract


These experiments were conducted to study the efiect of Acacia villosa supplementation and its combination with Gliricidia maculata in a ration containing
native grass on in vitra fermentability and digestibility. Rumen fluids of naturally
adapted and gradually adapted sheep were used as inocula in these studies. On the
basis of in vitra studies, A. villosa can be used as a protein supplement as high as
100% in combination with native grass; however, this level should be adjusted to the
response of animal to acacia feeding. Combination between A. villosa and G.
maculata at a ratio of 10 to 30% with 60% native grass produced the best
combination. Adaptation to acacia becomes an important factor as it improved the
ability of gradually adapted sheep to digest acacia at the same extent as naturally
adapted sheep.


Keywords


Protein supplement, Acacia villosa, Gliricidia maculata

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