![]() ![]() ![]() The addition of the zeolite level as slow release nitrogen source up to 4% increase microbial protein synthesis. The results of microbial protein synthesis and cellulolytic activity at each treatment were in normal level. Results of cellulolytic activity from higher to lower number were T5 (3.55 mol ml-1 min-1), T4 (2.36 mol ml-1 min-1), T2 (2.23 mol ml-1 min-1), T3 (2.16 mol ml-1 min-1) and T1 (2.09 mol ml-1 min-1) respectively. Results of protein synthesis from higher to lower number were T2 (59.50 mg/ml), T3 (55.58 mg/ml), T4 (47.55 mg/ml), T5 (42.82 mg/ml) and T1 (31.68 mg/ml) respectively. The results showed that the treatment significantly (P<0.05) increased microbial protein synthesis and cellulolytic activity. Variables observed were microbial protein synthesis and cellulolytic activity. The treatments were T1, T2, T3, T4 and T5 = pure glucose + additional level 2%, 4%, 6%, 8% and 10% of zeolite slow release respectively. The research used completely randomized design (CRD) with 5 treatments and 4 replications. The material used were zeolite of clinoptilolite type with size 40-60 mesh, urea, pure glucose, cow's rumen fluid from RPH Ungaran. Estimasi Sintesis Protein Mikrobia Rumen Menggunakan Ekskresi Derivat Purin dalam Urin dengan Teknik Spot Sampling pada Kambing Bligon dan Kambing Kejobong. This research aimed to determine the effect of the level of zeolites as slow release nitrogen in pure glucose on microbial protein synthesis and cellulolytic activity. Fakultas Peternakan dan Pertanian Universitas Diponegoro ![]()
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