Kualitas Fisik, Fermentasi, dan Nutrien Silase Berbasis Limbah Kelapa Sawit yang Disuplementasi dengan Indigofera zollingeriana: Physical, Fermentation, and Nutritional Quality of Palm Oil By-Product Silage Supplemented with Indigofera zollingeriana

Ardiansyah; Ulqiyah Yunita Alimin; A Safitri; I Sriwahyuni

doi:10.29244/jintp.24.2.91-99

Authors

Ardiansyah Jurusan Peternakan, Fakultas Pertanian, Universitas Mulawarman, Jl. Pasir Balengkong, Kampus Gunung Kelua, Kota Samarinda, Kalimantan Timur, Indonesia
U Y Alimin Jurusan Peternakan, Fakultas Pertanian, Universitas Mulawarman, Jl. Pasir Balengkong, Kampus Gunung Kelua, Kota Samarinda, Kalimantan Timur, Indonesia
A Safitri Jurusan Peternakan, Fakultas Pertanian, Universitas Mulawarman, Jl. Pasir Balengkong, Kampus Gunung Kelua, Kota Samarinda, Kalimantan Timur, Indonesia
I Sriwahyuni Jurusan Agroekoteknologi, Fakultas Pertanian, Universitas Mulawarman, Jl. Pasir Balengkong, Kampus Gunung Kelua, Kota Samarinda, Kalimantan Timur, Indonesia

DOI:

https://doi.org/10.29244/jintp.24.2.91-99

Keywords:

Indigofera zollingeriana, kualitas, limbah sawit, silase

Abstract

Palm oil waste (leaves, fronds, and pith) is a high-fiber alternative feed material with potential as livestock feed. This study aimed to evaluate the nutritional value of oil palm waste silage supplemented with varying levels of Indigofera zollingeriana. The study used a Complete Randomized Design (CRD) with a 2 × 3 factorial pattern and 4 replicates. The first factor was the type of oil palm waste, consisting of leaves, leaf sheaths, and oil palm pith. The second factor was the level of Indigofera zollingeriana supplementation: 0%, 15%, and 30%. All treatments were supplemented with 5% rice bran, 5% molasses, and 2% Phanerochaete chrysosporium. The observed variables were physical quality, fermentation quality, and nutrient content. The results showed that the supplementation of Indigofera zollingeriana had no significant effect on physical quality; however, a 30% supplementation level increased the pH and produced a foul odor. Crude protein content increased significantly with higher Indigofera zollingeriana supplementation, rising from 6.89% at 0% to 9.38% at 30% (p<0.01). Oil palm frond silage consistently had higher levels of crude fiber, ash, protein, lactate, and total digestible nutrient (TDN) compared to pith silage. Significant interactions were observed between waste type and Indigofera zollingeriana level regarding pH, Fleigh point, lactic acid, and dry matter. It can be concluded that the oil palm frond silage supplemented with 15% Indigofera zollingeriana is the best treatment, increasing nutrient content without significantly reducing fermentation quality.

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