Abstract
Improving of rice straw quality and its effect on ability nutrient digestibility and rumen metabolism products of buffalo in-vitro with feces as inoculum source ABSTRACT. This study was aimed to determine the effect of feeding ammoniated rice straw plus concentrate on buffalo nutrient digestibility and rumen fermentation products by in vitro. The Research was carried out by using experimental method, designed according to completely randomized design (CRD). The source of inoculum was obtain from different feces of three buffalos kept in Datar Village of Purwokerto region fed rice straw, rice straw plus concentrate and rice straw ammoniated plus concentrate with dry matter ratio of 80 : 20. The treatments tested consisted of three treatments, namely R0 = control feed using rice straw; R1 = the use of rice straw plus concentrate with a ratio of (DM basis) 80:20; R2 = the use of ammoniated rice straw plus concentrate with a ratio of (DM basis) 80:20. The treatments were repeated 7 times, so there were 21 experimental units. The Variables measured included total VFA, Ratio A/P, N-NH3, Microbial Protein Synthesis (MPS), Dry Matter and Organic Matter Digestibility. The result of this study showed that the treatment had an effect significant (P0.05) on the concentration of VFA, Ratio A/P, N-NH3, Microbial Protein Synthesis (MPS), and Dry Matter and Organic Matter Digestibility. The HSD test showed that the highest production of VFA,Ratio A/P, N-NH3, Microbial Protein Synthesis (MPS), Dry Matter and Organic Matter Digestibility were achieved at R2 followed by R1 and R0 respectively. The conclusion is that the ammoniated rice straw supplemented with concentrate can be recommended to be fed to buffalo
Highlights
7 times, so there were 21 experimental units
This study was aimed to determine the effect of feeding ammoniated rice straw
The source of inoculum was obtain from different feces of three buffalos kept in
Summary
Materi yang digunakan pada penelitian adalah cairan feses segar yang diambil dari tiga ekor kerbau yang masing-masing diberi pakan jerami, jerami ditambah konsentrat dan jerami amoniasi ditambah konsentrat, dengan cara di ambil dari rektum kerbau menggunakan tangan. Dengan urutan kerja sebelumnya termos air terlebih dulu sudah diisi air panas. Lalu feses dimasukkan dalam termos (sebelumnya air panas dibuang terlebih dulu). Feses diambil kira-kira sepertiga isi termos dari masing-masing kerbau. Feses kerbau diperoleh dari Peternakan sapi Potong di Desa Datar, Kecamatan Sumbang Purwokerto. Jerami amoniasi dan konsentrat sebelum digunakan dikeringkan terlebih dulu setelah kering dipotong-potong lalu masing-masing bahan dihaluskan. Pencampuran bahan jerami padi dan jerami padi amoniasi dengan konsentrat dilakukan berdasarkan bahan kering sesuai imbangan pakan yaitu 80:20. Konsentrat yang digunakan terdiri dari pollard, jagung, bungkil kelapa, onggok, mineral, urea dan garam. Komposisi dan kandungan nutrien ransum percobaan tertera pada Tabel 1
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