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Organoleptic Test Characteristics of Corn Stover Silage Added with Several Legumes Anas, Serli; Natsir, Asmuddin; Syahrir, Syahriani
Hasanuddin Journal of Animal Science (HAJAS) Vol. 6 No. 2 (2024)
Publisher : Faculty of Animal Science, Hasanuddin University, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/hajas.v6i2.31778

The limited forage availability in the dry season is a limiting factor in a livestock business. The abundance of forage in the rainy season cannot be stored long without treatment. This is due to the high water content, so forage cannot be stored; there is a need for innovative feed technology. Silage is a feed processing technology using a method of preserving/fermenting feed in anaerobic conditions, which is placed in a silo with a water content of around 60-70%. The principle of forage fermentation is by microbes that produce a lot of lactic acid. This research aimed to determine corn straw silage's physical properties (organoleptic tests) by adding several types of legumes. According to data from the Directorate General of Animal Husbandry and Animal Health in 2022, the number of cattle in South Sulawesi Province was 18,610,000 head. The increase in production in 2022 compared to 2012 occurred in all regions in Indonesia, South Sulawesi Province. Corn produced was 1,420,154 tons, which shows that corn straw waste is abundant and can be used as forage using silage technology. The materials used are Bima Provit A1 (stay green), hybrid corn stover, and legumes. The treatments used were 95% corn stover silage (control), 70% corn stover silage + 25% Gamal legumes, 70% corn stover silage + 25% Lamtoro legumes, and 70% corn stover silage + 25% Indigofera legumes. Creating an acidic atmosphere can be accelerated by adding preservatives or additional ingredients (additives) to rice bran (5%). Organoleptic test parameters to determine silage's physical characteristics and quality, such as texture, color, and aroma. The results obtained were that the silage texture score in all treatments had an average value that was not much different and fell into the medium texture category, the silage color score in all treatments had good quality, brown and yellowish brown, the aroma score in all treatments had good quality. Keywords: Corn stover silage, leguminosae, organoleptic test

Effect of Supplementation of Turmeric (Curcuma domestica) in Local Feed-based Goat Rations on in Vitro Digestibility Susilawati, Susilawati; Syahriani Syahrir; Natsir, Asmuddin; Rahman, Taufica; Hakim, Mita Arifa Hakim
Hasanuddin Journal of Animal Science (HAJAS) Vol. 6 No. 2 (2024)
Publisher : Faculty of Animal Science, Hasanuddin University, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/hajas.v6i2.32248

Turmeric is a widely available herb. This study aimed to determine the effect of Turmeric (Curcume domestica) as an herbal additive in local raw material (LRM) goat rations on dry matter digestibility and organic matter digestibility, pH value, N-ammonia and, in vitro gas production. The study was conducted with a completely randomized design (CRD) of 5 treatments and three replications: treatment T0 = LRM goat ration, T1 = local feed ration (LFR) + turmeric 0.025%, T2 = LFR + turmeric 0.05%, T3 = LFR + turmeric 0.075%, T4 = LFR + turmeric 0.1%. Variance analysis showed that the effect of turmeric (Curcuma domestica) in goat rations made from LRM local has a significant impact (P<0.05) on dry matter digestibility (DMD) and organic matter digestibility (OMD). The most considerable N-ammonia value was obtained in treatment T1, which was 21.13 ± 1.29. From the results obtained, each treatment had a significant effect (P<0.05). The provision of turmeric in goat rations showed promising results regarding the value of rumen N-ammonia. The pH value produced in this study was 6.09 to 7.00, with no significant effect because the pH in the rumen has been maintained. Keywords: Feed additive, turmeric, pH, N-ammonia, in vitro

Optimization of Fiber Digestibility and Methane Reduction with Gambier Leaf Extract from Pangkalan for Sustainable Ruminant Farming Pazla, Roni; Natsir, Asmuddin; Hidayat, Rahmad; Ginting, Nurzainah; Zain, Mardiati; Antonius; Mohd-Aris, Aslizah; Ikhlas, Zaitul; Hidayat, M. Zhorif
Andalasian Livestock Vol. 1 No. 2 (2024): ALive
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/alive.v1.n2.p114-120.2024

Ruminant livestock production plays an important role in providing animal protein sources, but faces major challenges in terms of feed utilization efficiency and environmental impact due to methane emissions. Methane produced by rumen fermentation not only contributes nearly 30% of global greenhouse gas emissions but also causes energy losses of 7-12% of total feed energy. This study aimed to evaluate the effect of gambier (Uncaria gambier) leaf extract from Pangkalan, West Sumatra, on the digestibility of fiber fractions (NDF, ADF, cellulose, hemicellulose) and methane gas production in ruminant rations. The study was conducted in vitro using the method of Tilley and Terry (1963) with a randomized group design consisting of four treatments: T0 (control without gambier extract), T1 (0.5% gambier extract), T2 (1% gambier extract), and T3 (2% gambier extract), with four replications using goat rumen fluid. Results showed that the addition of gambier extract significantly increased NDF and ADF digestibility to 64.30% and 63.77% at T3, respectively, compared to the control of 61.67% and 61.56%. Cellulose digestibility increased from 64.57% at T0 to 67.20% at T3, while hemicellulose increased from 64.78% to 67.44%. In addition, methane gas production decreased significantly from 22.45 ml/g DOM in the control to 16.67 ml/g DOM in T3, equivalent to a decrease of 25.74%. The optimal dose to increase fiber digestibility and decrease methane production was 2% gambier leaf extract (T3 treatment). Thus, gambier leaf extract from Pangkalan can be used as an effective natural feed additive to improve feed efficiency while reducing the environmental impact of ruminant farming.

OPTIMASI PENGOLAHAN LIMBAH TERNAK SAPI MELALUI TEKNOLOGI BIOGAS DAN PUPUK ORGANIK DI KABUPATEN SIDENRENG RAPPANG Nompo, Syamsuddin; Natsir, Asmuddin; Mide, M. Zain
Jurnal Dinamika Pengabdian Vol. 2 No. 1 (2016): JURNAL DINAMIKA PENGABDIAN VOL. 2 NO. 1 OKTOBER 2016
Publisher : Departemen Budidaya Pertanian Fakultas Pertanian UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/jdp.v2i1.1480

Kegiatan ini bertujuan untuk mengurangi dampak negatif cemaran limbah ternak, khususnya ternak sapi terhadap lingkungan dan mengoptimalkan pemanfaatan limbah ternak menjadi biogas dan pupuk organik bagi usaha pertanian di Kabupaten Sidenreng Rappang, Sulawesi Selatan. Kegiatan ini dilaksanakan dengan melibatkan kelompok ternak sebagai mitra/binaan. Tahap kegiatan terdiri atas sosialisasi, pembangunan instalasi biogas, aplikasi pupuk organik pada tanaman pertanian. Hasil kegiatan menunjukkan bahwa pengolahan limbah ternak (feses dan urine) dapat menghasilkan biogas yang dimanfaatkan sebagai energi untuk memenuhi kebutuhan energi rumah tangga. Energi yang dihasilkan dari biogas tersebut dapat memenuhi kebutuhan rumah tangga mitra dengan produksi energi biogas setara dengan 12 kg gas elpiji seharga Rp. 68.000 per bulan (untuk gas elpiji bersubsidi). Substitusi pupuk kimia dengan pupuk organik padat dan cair terbukti mampu meningkatkan produksi tanaman yang berimplikasi terhadap peningkatan pendapatan petani-peternak mitra. Kesimpulan yang diperoleh bahwa beberapa sumber pendapatan baru bagi kelompok mitra yang tercipta melalui kegiatan ini adalah: (1) hasil penjualan pupuk organik padat yang diolah dari sludge dalam produksi biogas; (2) hasil penjualan pupuk cair organik yang diolah dari slurry dalam produksi biogas; dan (3) kenaikan produksi tanaman pertanian. Kata kunci: biogas, limbah ternak sapi, pupuk organik cair

Optimization of Fiber Digestibility and Methane Reduction with Gambier Leaf Extract from Pangkalan for Sustainable Ruminant Farming Pazla, Roni; Natsir, Asmuddin; Hidayat, Rahmat; Ginting, Nurzainah; Zain, Mardiati; Antonius; Mohd-Aris, Aslizah; Ikhlas, Zaitul; Hidayat, M. Zhorif
Andalasian Livestock Vol. 1 No. 2 (2024): ALive
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/alive.v1.n2.p114-120.2024

Ruminant livestock production plays an important role in providing animal protein sources, but faces major challenges in terms of feed utilization efficiency and environmental impact due to methane emissions. Methane produced by rumen fermentation not only contributes nearly 30% of global greenhouse gas emissions but also causes energy losses of 7-12% of total feed energy. This study aimed to evaluate the effect of gambier (Uncaria gambier) leaf extract from Pangkalan, West Sumatra, on the digestibility of fiber fractions (NDF, ADF, cellulose, hemicellulose) and methane gas production in ruminant rations. The study was conducted in vitro using the method of Tilley and Terry (1963) with a randomized group design consisting of four treatments: T0 (control without gambier extract), T1 (0.5% gambier extract), T2 (1% gambier extract), and T3 (2% gambier extract), with four replications using goat rumen fluid. Results showed that the addition of gambier extract significantly increased NDF and ADF digestibility to 64.30% and 63.77% at T3, respectively, compared to the control of 61.67% and 61.56%. Cellulose digestibility increased from 64.57% at T0 to 67.20% at T3, while hemicellulose increased from 64.78% to 67.44%. In addition, methane gas production decreased significantly from 22.45 ml/g DOM in the control to 16.67 ml/g DOM in T3, equivalent to a decrease of 25.74%. The optimal dose to increase fiber digestibility and decrease methane production was 2% gambier leaf extract (T3 treatment). Thus, gambier leaf extract from Pangkalan can be used as an effective natural feed additive to improve feed efficiency while reducing the environmental impact of ruminant farming.

Exploration of the Potential of Gambir Leaf Extract (Uncaria gambir Roxb.) from Sutera, Pesisir Selatan as a Feed Additive to Improve Fiber Digestibility and Suppress Methane Emissions of Ruminants Pazla, Roni; Natsir, Asmuddin; Hidayat, Rahmat; Rosani, Urip; Ginting, Nurzainah; Antonius; Ikhlas, Zaitul; Haris, Aslizah Mohd.; Fitri, Yelly
Andalasian Livestock Vol. 2 No. 1 (2025): ALive
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/alive.v2.n1.p42-49.2025

This study explored the potential of gambir leaf extract (Uncaria gambir Roxb.) from Sutera, South Pesisir Regency, West Sumatra, as a natural feed additive to improve fiber digestibility and suppress methane emissions in rumen fermentation. The study was conducted in vitro using fiber-based rations added with gambir extract at 0%, 0.5%, 1%, and 2%. Parameters observed included digestibility of NDF, ADF, cellulose, hemicellulose, and methane gas production. Results showed that adding gambir extract up to 2% significantly increased fiber digestibility and decreased methane production compared to the control. This study proves that local gambir extract has the potential as an environmentally friendly feed additive to support the efficiency and sustainability of ruminant farming.

In Vitro Evaluation of Gambier Leaf Extract (Uncaria gambir Roxb.) from Pangkalan, West Sumatra, as a Natural Feed Additive to Improve Nutrient Digestibility in Ruminants Pazla, Roni; Zain, Mardiati; Antonius; Ikhlas, Zaitul; Natsir, Asmuddin; Hidayat, Rahmat; Ginting, Nurzainah; Yanti, Gusri; Rosani, Urip; Mohd-Aris, Aslizah; Hidayat, M. Zhorif; Fitri, Yelly; Sucitra, Laras Sukma; Utami, Bella Veliana
Andalasian Livestock Vol. 2 No. 2 (2025): ALive
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/alive.v2.n2.p170-177.2025

This study aims to evaluate the effect of supplementing ruminant feed with gambir leaf extract (Uncaria gambir Roxb.) from Pangkalan, West Sumatra, as a natural feed additive on the in vitro digestibility of crude fat, crude fiber, and nitrogen-free extract (NFE). The study used a completely randomized design with four treatments: T0 (control, without extract), T1 (0.5% gambir extract), T2 (1% gambir extract), and T3 (2% gambir extract). The parameters observed included crude fat, crude fiber, and NFE digestibility. The results showed that gambir leaf extract supplementation had a significant effect (P<0.05) on all parameters tested. Treatment T3 provided the highest digestibility values, namely crude fat 66.47%, crude fiber 66.45%, and NFE 67.99%, compared to the control (64.17%, 64.52%, and 65.70%). This increase is thought to be due to the bioactive content of gambir extract, namely tannins (64.84%), catechins (60.11%), and saponins (0.96%), which work synergistically to modulate rumen microbes, protect nutrients from excessive degradation, and increase fermentation efficiency. In conclusion, gambir leaf extract from Pangkalan has the potential to be a natural feed additive that improves nutrient digestibility in ruminants. These results support utilizing local phytochemical-based resources for feed efficiency and sustainable livestock farming.

Specific Species DNA Amplification as a Halal Authentication Method in Sausage Based on Genetic Markers Purnomo, Nurul; Mansur, Musdalifa; Nugraha, Angga; Dagong, Muh. Ihsan A.; Natsir, Asmuddin
Jurnal Agripet Vol 23, No 2 (2023): Volume 23, No. 2, Oktober 2023
Publisher : Faculty of Agriculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/agripet.v23i2.26595

ABSTRACT. Sausage is a processed meat food that is susceptible to counterfeiting by mixing non-halal meat, so a valid, fast and cheap halal authentication method is needed for sausages. This study aims to determine the specific species genes of Cytochrome-b in target DNA amplification as a halal authentication method in sausages. In this study, the samples used were beef sausage, chicken sausage, and pork sausage. The stages of this research consisted of DNA purification, measuring DNA quality, amplifying object DNA using Cytochrome-b, electrophoresis, and visualization of the gel documentation. The DNA purification results from beef sausage, chicken sausage, and pork sausage respectively obtained concentrations of 3 (ng/l), 2.6 (ng/l), and 2.8 (ng/l), and purity of 1.15, 0.76, and 0.88. Meanwhile, DNA amplification produced fragments with lengths for beef sausage, chicken sausage, and pork sausage, namely the Cytochrome-b gene 274 bp, 227 bp, and 398 bp. Based on this study, it's concluded that the Cytochrome-b genes could amplify target DNA from beef sausage, chicken sausage, and pork sausage so that they could be used as gene markers for authenticating halal sausages.(Amplifikasi DNA Spesifik Spesies sebagai metode autentikasi halal pada sosis berdasarkan penanda genetic)ABSTRAK. Sosis merupakan makanan olahan daging yang rentan terhadap pemalsuan dengan mencampurkan daging non halal, sehingga diperlukan metode autentikasi halal yang valid, cepat dan murah untuk sosis. Penelitian ini bertujuan untuk mengetahui gen spesies spesifik Cytochrome-b pada amplifikasi DNA target sebagai metode autentikasi halal pada sosis. Dalam penelitian ini, sampel yang digunakan adalah sosis sapi, sosis ayam, dan sosis babi. Tahapan penelitian ini terdiri dari pemurnian DNA menggunakan Quick-DNA Plus Kits, Zymo Research, pengukuran kualitas DNA, amplifikasi pada DNA target menggunakan gen Cytochrome-b, elektroforesis, dan visualisasi pada gel dokumentasi. Hasil pemurnian DNA sosis sapi, sosis ayam, dan sosis babi masing-masing diperoleh konsentrasi 3 (ng/l), 2,6 (ng/l), dan 2,8 (ng/l), dan kemurnian 1,15, 0,76, dan 0,88. Sedangkan amplifikasi DNA menghasilkan fragmen dengan panjang untuk sosis sapi, sosis ayam, dan sosis babi yaitu gen Cytochrome-b 274 bp, 227 bp, dan 398 bp. Berdasarkan penelitian ini, disimpulkan bahwa gen Cytochrome-b dapat mengamplifikasi DNA target dari sosis sapi, sosis ayam, dan sosis babi sehingga dapat digunakan sebagai penanda gen untuk autentikasi sosis halal.

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