Abstract
The influence of rice straw fermentation using white rot fungi and saccharomyces cerevisiae supplementation on in vitro nutrient digestibilityABSTRACT. An experiment to investigate the effect of rice straw fermented using white rot fungi and Saccharomyces cerevisiae supplementation on nutrient digestibility In Vitro had been implemented in two phases. The first experiments undertaken to make rice straw fermentation, using experimental methods with a Completely Randomized Design. As the treatment were White rot fungi (Phanerochaete chrysosporium) 0, 5 and 10 g/kg of rice straw (DM basis). Each treatment was repeated six times, so there are 18 experimental units. The variables measured included nutrient content of rice straw. A second experiment carried out in vitro to test the best rice straw fermentation results of the first experiment, using experimental methods, with a Completely Randomized Design. As the treatment were the supplementation of Saccharomyces cerevisiae (0, 2, 4% of the weight of fermented rice straw, DM basis). The variables measured included digestibility of dry matter, organic matter, cellulose and lignin digestibility of feed containing fermented straw. The data obtained were analyzed using analysis of variance test followed by Orthogonal Polynomials. The results can be concluded that the fermented rice straw using Phanerochaete chrysosporium 10 g/kg of rice straw is the best nutrient content. Saccharomyces cerevisiae supplementation on feed that contains fermented rice straw using Phanerochaete chrysosporium 10 g/kg rice straw is 2%.
Highlights
Jerami padi merupakan sumber energi yang potensial sebagai pengganti rumput untuk ternak ruminansia, namun demikian belum dimanfaatkan secara maksimal
An exsperiment to insvestigate the effect of rice straw fermented using white rot fungi
Saccharomyces cerevisiae supplementation on nutrient digestibility In Vitro had been implemented in two phases
Summary
Metode eksperimen digunakan pada penelitian ini dengan dua tahap yaitu; 1. Sebagai materi penelitian adalah jerami padi dan Phanerochaete chrysosporium, yang diperoleh dari Fakultas Kehutanan Universitas Gadjah Mada Yogyakarta. Kandungan nutrient jerami padi yang ditambah media untuk tumbuhnya Phanerochaete chrysosporium tersebut adalah sebagai berikut: 93,86% bahan kering; 5,44% protein; 10,41% lemak; 35,48 % serat kasar; 22,58% abu; 26,09 % BETN; 77,6% NDF; 50,99% ADF; 37,48% selulosa dan 4,13% lignin (semua berdasarkan % bahan kering). Peubah yang diukur meliputi kandungan nutrient jerami padi, menurut petunjuk AOAC (1994) dan analisis Van Soest (1983). Sebagai materi penelitian adalah jerami padi fermentasi terbaik hasil percobaan pertama (jerami padi yang difermentasi menggunakan Phanerochaete chrysosporium 10 g/kg jerami padi) , cairan rumen sapi yang diambil dari Rumah Potong Hewan (RPH) segera setelah sapi dipotong dan Saccharomyces cerevisiae. Sebagai perlakuan adalah suplementasi Saccharomyces cerevisiae dengan taraf 0%, 2% dan 4 % dari bobot jerami padi fermentasi (BK). Data yang diperoleh dianalisis menggunakan analisis ragam, dilanjutkan dengan uji orthogonal polynomial (Steel dan Torrie, 1993)
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