Update Artikelilmiah: 37757

SIDIK KURNIAWAN

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Abstrak (Bhs. Indonesia)

Penelitian dilakukan dengan tujuan untuk mengetahui pengaruh ransum berbasis indeks sinkronisasi protein-energi (SPE) terhadap produksi volatile fatty acid (VFA) dan amonia (N-NH3). Materi yang digunakan adalah cairan rumen dari 2 ekor kambing jawarandu yang diambil dari rumah potong hewan (RPH) Sokaraja, segera setelah kambing dipotong, rumput odot, indigofera, bungkil kelapa, dedak, ampas tahu, onggok  dan mineral. Metode penelitian eksperimen in vitro dengan Rancangan Acak Lengkap terdiri atas 5 perlakuan dengan indeks SPE (0,55 ; 0,60 ; 0,65 ; 0,70 dan 0,75). Setiap perlakuan diulang sebanyak 4 kali sehingga terdapat total 20 unit percobaan. Peubah yang diukur produksi volatile fatty acid (VFA) dan amonia (NH3). Data dianalisis menggunakan analisis variansi dan uji lanjut yang digunakan yaitu ortogonal polinomial. Hasil penelitian menunjukan bahwa rataan VFA masing masing perlakuan adalah P1 = 90 ± 1,63 mM, P2 = 103,25 ± 9,29 mM, P3 = 91 ± 16,04 mM, P4 = 90,75 ± 2,50 mM dan P5 = 90,5 ± 12,37 mM dan NH3 adalah P1 = 6,75 ± 0,53 mM, P2 = 6,35 ± 0,34 mM, P3 = 5,1 ± 0,26 mM, P4 = 3,85 ± 0,10 mM dan P5 = 3,7 ± 0,12 mM. Hasil analisis variansi menunjukan bahwa indeks sinkronisasi protein-energi ransum tidak berpengaruh nyata terhadap VFA (P>0,05) tetapi berpengaruh sangat nyata terhadap NH3 (P<0,01). Uji lanjut ortogonal polinomial menunjukan pengaruh secara linier pada indeks SPE terhadap produksi NH3 dengan persamaan y = 16,33-17,2x dan r2 = 0,9067. Berdasarkan hasil penelitian disimpulkan bahwa indeks sinkronisasi protein-energi terbaik dalam menghasilkan VFA dan NH3 yang optimal adalah 0,75.

Abtrak (Bhs. Inggris)

The study was aimed to determine the effect of the protein-energy synchronization index (PES) on the production of volatile fatty acids (VFA) and ammonia (N-NH3). The material used was rumen liquid from 2 jawarandu goats taken from the Sokaraja slaughterhouse, as soon as the goats were slaughtered, odot grass, indigofera, coconut meal, rice bran, tofu dregs, cassava waste and minerals.  The experimental was used in vitro method with a Complete Randomized Design consisted of 5 treatments with an PES index (0.55 ; 0.60 ; 0.65 ; 0.70 and 0.75). Each treatment was repeated 4 times so that there were a total of 20 experimental units. The variable measured production of volatile fatty acids (VFA) and ammonia (NH3). The data were analyzed using variance analysis and the further tests used, was orthogonal polynomials. The results showed that the average VFA of each treatment was P1 = 90 ± 1.63 mM, P2 = 103.25 ± 9.29 mM, P3 = 91 ± 16.04 mM, P4 = 90.75 ± 2.50 mM and P5 = 90.5 ± 12.37 mM and NH3 was P1 = 6.75 ± 0.53 mM, P2 = 6.35 ± 0.34 mM, P3 = 5.1 ± 0.26 mM, P4 = 3.85 ± 0.10 mM and P5 = 3.7 ± 0.12 mM. The variance analysis showed that the protein-energy synchronization index of the ration had no significantly affect on VFA (P>0.05) but had a highly significant effect on NH3 (P<0.01). Orthogonal polynomials showed a linear effect on the PES index on NH3 production with the equations y = 16.33-17.2x and r2 = 0.9067. Based on the results of the study, it was concluded that the best protein-energy synchronization index in producing optimal VFA and NH3 is 0.75.

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