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      Reformulasi Konsentrat Sapi Perah Berbasis Imbangan RDP/RUP dan Kecukupan Energi Secara In Vitro

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      Date
      2021
      Author
      Dewi, Nurul Asmaa
      Permana, Idat Galih
      Despal
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      Abstract
      Produktivitas ternak ruminansia yang efisien membutuhkan protein, tingkat energi dan rasio RDP:RUP dalam pakan yang seimbang. Pakan harus menyediakan nitrogen yang cukup (RDP) untuk pertumbuhan mikroba rumen, serta sebagai sumber protein langsung untuk hewan inang (RUP). Penelitian ini bertujuan untuk mengetahui tingkat optimal rasio RDP:RUP dan tingkat energi ransum sapi perah dengan metode in vitro. Sumber inokulum rumen diperoleh dari rumen fistulasi sapi Friesian Holstein. Perlakuan terdiri dari 4 level rasio RDP: RUP, yaitu 45:55, 50:50, 55:45 dan 60:40, sedangkan level energi terdiri dari level TDN 65%, 70% dan 75%. Rancangan percobaan adalah rancangan acak kelompok pola faktorial. Analisis data menggunakan uji ANOVA dan Duncan multiple range test. Hasil penelitian menunjukkan rasio RDP: RUP dan variasi TDN berpengaruh terhadap KCBK, KCBO, NH3. Kandungan TDN yang lebih tinggi meningkatkan KCBK, KCBO, dan VFA total secara signifikan. Peningkatan imbangan RDP (dari 45% hingga 60%) dan level TDN (low to high) meningkatkan kecernaan nutrisi, kadar VFA total, populasi bakteri dan protozoa. Peningkatan ini menunjukkan bahwa manfaat dari pakan yang berbasis imbangan RDP:RUP dapat meningkatkan produktivitas ternak ruminansia.
       
      Efficiency of ruminant productivity requires optimal protein, energy levels, and RDP:RUP ratios in feed. Dairy feed must provide adequate of nitrogen (RDP) for the rumen microbe, as well as a direct protein source for host animals (RUP). This study aimed to determine the optimal RDP:RUP ratio at different energy level of dairy cattle rations using in vitro method. The source of rumen inoculum was obtained from rumen fistulated Friesian Holstein cattle. The treatments consisted of two factors. The factors were 4 RDP:RUP ratios (60:40; 55:45; 50:50; 45:55) and 3 TDN levels (65%; 70%; 75%). The experimental design was a factorial randomized block design. Data were analysed using ANOVA and Duncan’s multiple range test. The result showed that the ratio of RDP:RUP and level TDN had effects on DMD, OMD, NH3. Increased RDP balance (from 45% to 60%) and TDN level (low to high) improve nutrient digestibility, total VFA, bacterial population and protozoa. This increase indicates that the benefits of based feed RDP:RUP balance can increase the productivity of ruminants.
       
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      http://repository.ipb.ac.id/handle/123456789/109086
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      • UT - Nutrition Science and Feed Technology [2933]

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      Indonesia DSpace Group 
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