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All Journal Journal of Tropical Animal Science and Technology Wahana Peternakan Animal Agricultura
I Gusti Ngurah Jelantik
Fakultas Peternakan, Kelautan dan Perikanan, Universitas Nusa Cendana
Agriculture, Biological Sciences & Forestry Immunology & microbiology Veterinary

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Pengaruh Level Substitusi Rumput Bothriochloa pertusa dengan Kangkung Terhadap Tingkah Laku Makan Ternak Kambing Kacang Marselinus Ranboki; Gustaf Oematan; I Gusti Ngurah Jelantik
Animal Agricultura Vol 1 No 1 (2023): Animal Agricultura
Publisher : Yayasan Sumber Daya Manusia Cerdas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59891/animacultura.v1i1.4

Abstract

The aim of this experiment was to determine the effect of level of substitution of Bothriochloa pertusa grass with water spinach on the feeding behavior of kacang goats. As many as 4 kacang goats, ranging in age from 1-1.5 years with an initial body weight of 16,2 – 19,8 kg averaged ± 18 kg were involved in this experiment. This study followed the Latin Square Design (RBSL) 4 x 4 with 4 treatments and 4 periods as replications. The treatments were P0: 60% Bothriochloa pertusa grass + 40% leucaena, P1: 45% Bothriochloa pertusa grass + 40% lamtoro + 15% water spinach, P2 : 30% Bothriochloa pertusa grass + 40% leucaena + 30% water spinach , P3: 15% Bothriochloa pertusa grass + 40% leucaena + 45% water spinach. The measured variables included the frequency and eating time, frequency and ruminating time, and frequency and resting time. The data obtained were analyzed using Analysis of Variance (ANOVA). Replacing Bothriochloa pertusa grass with water spinach is expected to reduce the lenght of eating of kacang goats The results showed that treatment had no significant effect (P>0,05) on the measured parameters. The duration and frequency of feeding ranged from 7.3 to 8.5 hours and 9.75 to 10.12 times per day, duration and frequency of rumination ranged from 6.7 to 7.18 hours and 10.12 hours to 10.50 times per day, and the length and frequency of rest ranged from 8.27 to 9.15 hours, and 16.37 to 18.62 times per day. It was concluded that the substitution of Bothriochloa pertusa grass with water spinach does not affect on the ingestive behavior of kacang goats.
PENGARUH SUBSITUSI SILASE RUMPUT BINTANG (Cynodon plectostachyus) DENGAN FODDER JAGUNG TERHADAP KONSUMSI, KECERNAAN DAN RETENSI NITROGEN PADA SAPI BALI DARA: Effect of Substitution of Star Grass (Cynodon plectostachyus) Silage with Corn Fodder on Intake, Digestibility and Nitrogen Retention of Bali Heifers Assaida Dau Widawati; Tara Tiba Nikolaus; Jalaludin; I Gusti Ngurah Jelantik
Wahana Peternakan Vol. 10 No. 1 (2026): Wahana Peternakan
Publisher : Faculty of Animal Science, University of Tulang Bawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/jwputb.v10i1.2342

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh substitusi silase rumput bintang (Cynodon plectostachyus) dengan fodder jagung terhadap konsumsi, kecernaan dan retensi nitrogen pada sapi Bali dara. Sapi Bali  dara yang digunakan sebanyak empat ekor dengan rentang umur 2,8−3 tahun, bobot badan 99,5−152 kg dengan rataan bobot badan 116,25 kg. Metode yang digunakan dalam penelitian ini adalah metode percobaan menggunakan rancangan bujur sangkar latin (RBSL) dengan 4 perlakuan dan 4 periode ulangan. Perlakuan yaitu FJ0 = Rumput bintang 100%, FJ20 = Rumput bintang 80% + Fodder jagung 20%, FJ40 = Rumput bintang 60% + Fodder jagung 40%, FJ60 = Rumput bintang 40% + Fodder jagung 60%. Variabel yang diukur adalah konsumsi nitrogen, kecernaan nitrogen dan retensi nitrogen. Data yang diperoleh dianalisis menggunakan analysis of variance (ANOVA) dan diikuti oleh uji lanjut Duncan. Hasil analisis ragam menunjukkan bahwa substitusi silase rumput bintang (Cynodon plectostachyus) dengan fodder jagung berpengaruh sangat nyata (P<0,01) terhadap konsumsi nitrogen dan retensi nitrogen namun tidak berpengaruh nyata (P>0,05) terhadap kecernaan nitrogen. Disimpulkan bahwa substitusi silase rumput bintang dengan fodder jagung sampai 60% tidak meningkatkan konsumsi nitrogen dan retensi nitrogen, namun tidak mengubah kecernaan nitrogen sapi dara Bali dara.   Kata kunci: fodder jagung, kecernaan nitrogen, konsumsi nitrogen, retensi nitrogen, silase rumput bintang
The effect of Gracilaria sp. use in Complete Feed on In Vitro Digestibility of Dry Matter, Organic Matter, Digestible Energy, and Metabolizable Energy Imanuel Benu; Angela Matilda Bupu Nua; Tara Tiba Nikolaus; Gusti Ayu Yudiwati Lestari; I Gusti Ngurah Jelantik
Journal of Tropical Animal Science and Technology Vol. 8 No. 3 (2026): Journal of Tropical Animal Science and Technology
Publisher : Animal Science Study Program, Faculty of Agriculture, Science and Health, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jtast.v8i3.11343

Abstract

This study was conducted to evaluate the effects of different inclusion levels of Gracilaria sp. in complete feed on in vitro dry matter digestibility, organic matter digestibility, digestible energy, and metabolizable energy. The experiment employed a Completely Randomized Design (CRD) consisting of four dietary treatments with three replicates. The dietary treatments were as follows: G0 = 70% native grass + 30% concentrate; G5 = 65% native grass + 5% Gracilaria sp. + 30% concentrate; G10 = 60% native grass + 10% Gracilaria sp. + 30% concentrate; and G15 = 55% native grass + 15% Gracilaria sp. + 30% concentrate. The results showed that increasing the inclusion level of Gracilaria sp. in the complete feed significantly (P<0.05) improved in vitro dry matter digestibility (56.67–64.06%) and organic matter digestibility (53.99–61.02%). However, it had no significant effect (P>0.05) on digestible energy (10.15–10.84 MJ/kg) or metabolizable energy (8.32–8.89 MJ/kg). It can be concluded that the use of Gracilaria sp. at levels of 5% to 15% in complete feed is effective in improving in vitro digestibility without reducing its energy value. The 5% inclusion level serves as the initial threshold to improve organic matter digestibility, while the 15% level yields the most optimal dry matter digestibility.
Co-Authors Angela Matilda Bupu Nua Assaida Dau Widawati Gusti Ayu Yudiwati Lestari Imanuel Benu Jalaludin Oematan, Gustaf Tara Tiba Nikolaus