M. R. Waani
Faculty Of Animal Science, Sam Ratulangi University

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Changes in in Vitro Methane Production and Fatty Acid Profiles in Response to Cakalang Fish Oil Supplementation E. H. B. Sondakh; M. R. Waani; J. A. D. Kalele
Media Peternakan Vol. 40 No. 3 (2017): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (312.949 KB) | DOI: 10.5398/medpet.2017.40.3.188

Abstract

This experiment was conducted to determine the effect of cakalang fish oil addition in ruminant feed on in vitro methane production and fatty acid profiles. This experiment consisted of four treatments which were R0 : feed composing of forage and concentrate at a ratio of 60% : 40% without cakalang fish oil (CFO) addition as control feed; R1: R0 added with CFO at 2.5%; R2: R0 added with CFO at 5%, and R3: R0 added with CFO at 7.5%. Fermentation with rumen fluid was done using the Hohenheim Gas Test (HGT); feeds were incubated at 39 oC for 72 hours. At the end of fermentation, samples were obtained and methane production and fatty acid profiles were determined. The experiment was conducted in completely randomised design with four replications. Data were analysed using analysis of variance and differences among treatment means were analysed using Duncan multiple range test. Results showed that CFO supplementation affected (P<0.05) methane production, protozoa numbers and NH3 concentration; whereas the other parameters, i.e. VFA concentration, pH, and microbial protein were not affected. Some fatty acid profiles were influenced by treatments, such as palmitic, stearic, oleic, linoleic, and linolenic (P<0.05), while others, i.e. lauric and miristic were not affected. It is concluded that the best level of CFO supplementation is 5% as this level reduces methane production and increases unsaturated fatty acids without any negative effects on other variables measured.
PENGOLAHAN LIMBAH PERTANIAN TANAMAN JAGUNG PADA KELOMPOK TANI KOBATUNAN DAN SUKAMAJU DESA MUNDUNG Sjenny S. Malalantang; Zetly E. Tamod; Agnitje Rumambi; Mercy R. Waani; Ch. J. Pontoh
Pastura : Jurnal Ilmu Tumbuhan Pakan Ternak Vol 8 No 1 (2018): Pastura Vol. 8 No. 1 Tahun 2018
Publisher : Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (888.722 KB) | DOI: 10.24843/Pastura.2018.v08.i01.p06

Abstract

Sistem pemeliharaan ternak sapi potong secara ekstensif yang dipelihara oleh Kelompok Tani Kobatunan dan Sukamaju Desa Mundung antara lain menyebabkan rendahnya produktivitas ternak. Selain itu juga kurangnya pengetahuan dan ketrampilan yang dimiliki oleh anggota Kelompok tentang sistem pemeliharaan ternak sapi potong, tidak tersedia kandang, hijauan pakan berkualitas, sistem pengelolahan limbah pertanian dan peternakan menyebabkan pengembangan usaha peternakan dikelompok ini berjalan sangat lamban. Ipteks bagi Masyarakat (IbM) Kelompok Tani Kobatunan dan Sukamaju antara lain bertujuan untuk pemenuhan kebutuhan pakan berkualitas melalui ketersediaan kebun percontohan hijauan pakan unggul, pengelolaan limbah pertanian dan peternakan melalui pengenalan, penyebarluasan, alih teknologi pakan dalam upaya optimalisasi pemenuhan kebutuhan pakan sapi potong. Metode yang digunakan dalam pencapaian tujuan tersebut dengan sosialisasi, penyuluhan, pelatihan dan aplikasi pembuatan kandang percontohan, penanaman hijauan pakan unggul, pengolahan limbah pertanian tanaman jagung sebagai pakan alternatif di musim kemarau, pengolahan limbah pertanian sebagai pupuk organik. Kesimpulan yang diperoleh adalah terjadinya peningkatan pengetahuan peternak tentang sistem pemeliharaan ternak dalam kandang percontohan, kebun percontohan hijauan pakan unggul dan ketersediaan hijauan pakan secara berkelanjutan. Kata kunci: amoniasi, hijauan unggul, kandang, sapi potong, silase