IN VITRO EVALUATION OF CONCENTRATE FEED CONTAINING Indigofera zollingeriana IN GOAT

Abstract

ABSTRAKPenelitian ini bertujuan untuk mengevaluasi fermentabilitas dan kecernaan nutrien pakan konsentrat berbasis Indigofera zollingeriana secara in vitro. Penelitian ini menggunakan rancangan acak kelompok pada 3 jenis pakan konsentrat dalam 4 kelompok cairan rumen yang berbeda. Pakan konsentrat yang digunakan yaitu R1, R2 dan R2 masing-masing mengandung 0, 20 dan 40% I. zollingeriana. Peubah yang diamati antara lain kecernaan nutrien (bahan kering, bahan organik dan protein), produksi gas total, VFA parsial dan NH3. Data dianalisis menggunakan analisis ragam (ANOVA). Hasil penelitian menunjukkan bahwa nilai kecernaan bahan kering (KCBK), bahan organik (KCBO) dan protein (KCPK) memperlihatkan pola yang sama yaitu R2 lebih tinggi dari R1 (P<0.05), sedangkan R3 memiliki nilai kecernaan yang sama dengan R2 dan R1. Tidak terdapat perbedaan produksi gas total pada ketiga jenis ransum konsentrat. Konsentrasi VFA parsial masing-masing ransum konsentrat tidak berbeda nyata. Perlakuan R2 memiliki konsentrasi NH 3 paling rendah (P<0.05) dibandingkan R1 dan R3. Dapat disimpulkan bahwa penambahan I. zollingeriana dapat digunakan sebagai penyusun pakan konsentrat maksimal 20%.Kata kunci: fermentabilitas, Indigofera zollingeriana, in vitro, pakan konsentrat ABSTRACTThis study was conducted to evaluate the fermentability and nutrient digestibility of concentrate feed containing Indigofera zollingeriana using in vitro technique. Randomized complete block design was used on 3 types of concentrate feed and 4 groups (replicates) of goat's rumen liquid. The concentrate feeds were R1, R2 and R3 containing I. zollingeriana at 0 (control), 20 and 40%, respectively. Variables observed were total gas production, in vitro dry matter digestibility (IVDMD), organic matter (IVDOM), and crude protein (IVDCP), volatile fatty acid (VFA) profiles and NH3 concentration. Data were analyzed using analysis of variance (ANOVA). Results showed that there was no significant effect of R3 on IVDMD, IVDOM and IVDCP as compared to R1 and R2. However, there was significant difference (P<0.05) of the parameters between R1 and R2 (P<0.05). There was no significant effect (P<0.05) of different Indigofera levels on total gas production. The partial VFA of each concentrate feeds was not significantly different, but the percentage of acetic acids of concentrates containing I. zollingeriana were higher than those of control (P<0.05). The concentration of rumen NH 3 of R2 was lower than R1 and R3 (P<0.05) even though the IVCPD of R2 was higher than R1. It could be concluded that the inclusion of I. zollingeriana as concentrate feed ingredient at 20% maximum level .

In vitro ruminal biohydrogenation of C18 fatty acids in mixtures of Indigofera zollingeriana and Brachiaria decumbens

“…This profile contrasts with the results of the study of Tarigan et al (2018) where the use of I. zollingeriana (90% DM) as a base for concentrate showed superiority in the acetate ratio and total VFA (127.08 mM) when compared to the controls, using palm kernel meal (35% DM) and the combination of I. zollingeriana and Calliandra calothyrsus (45%: 45% DM). Suharlina et al (2016), using concentrated feed with a lower composition of I. zollingeriana, 40% DM, showed molar production of acetate, propionate, and butyrate at the respective levels of 14.4, 4.40, and 1.44. The reduced degradation of feed protein indicates a decrease in the total production of VFA and iso-VFA.…”

Kandungan dan Serapan Mineral Pucuk Indigofera zollingeriana dari Tanaman dengan Kerapatan Tanam Berbeda

“…Indigofera zollingeriana merupakan leguminosa yang potensial sebagai sumber protein dan mineral bagi ternak. Tanaman ini mampu menghasilkan biomassa, protein dan mineral serta memiliki kecernaan yang tinggi dibandingkan leguminosa lainnya (Suharlina et al 2016a;Suharlina et al 2016b) dan efektif meningkatkan daya cerna ransum kambing jika digunakan dalam pakan komplit (Tarigan et al 2017). Mengandung protein kasar (29,76%-29,83%), dan mineral tinggi (Ca 2,4% ; P 0,46%, Mg 0,51% : K 4,1%) dan tanin rendah (0,09%-0,65%) (Abdullah 2010), kecernaan bahan kering tinggi (72% -81%) (Abdullah & Suharlina 2010).…”

Kualitas Nutrisi Hijauan Indigofera zollingeriana Yang Diberi Pupuk Hayati Fungi Mikoriza Arbuskula

“…Tanin dan saponin dapat berfungsi sebagai agen defaunasi yang memproteksi nutrisi dari degradasi mikroba rumen. Hijauan I. zollingeriana mengandung tannin 2,9 g/kg BK dan 2,6 mg/kg BK saponin (Suharlina et. al., 2016).…”