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All Journal International Journal of Electrical and Computer Engineering MEDIA PETERNAKAN - Journal of Animal Science and Technology Jurnal Ilmu Pertanian Indonesia Buletin Peternakan Pastura; Journal Of Tropical Forage Science Jurnal Veteriner Analisis: Jurnal Studi Keislaman Jurnal Agribisnis Indonesia (Journal of Indonesian Agribusiness) JURNAL PETERNAKAN Jurnal Ilmu Ternak Veteriner WARTAZOA Indonesian Bulletin of Animal and Veterinary Sciences Journal of the Indonesian Tropical Animal Agriculture Jurnal Cita Hukum Jurnal Peternakan Indonesia Jurnal Ternak Tropika AGRIVITA, Journal of Agricultural Science JITRO (Jurnal Ilmiah dan Teknologi Peternakan Tropis) Jurnal Ilmu Produksi dan Teknologi Hasil Peternakan BERITA BIOLOGI Animal Production : Indonesian Journal of Animal Production Jurnal Penelitian Pendidikan IPA (JPPIPA) Tropical Animal Science Journal Jurnal Ilmu Nutrisi dan Teknologi Pakan Jambura Journal of Animal Science Jurnal Ilmu Peternakan Terapan Food ScienTech Journal Al-Syakhsiyyah : Journal of Law and Family Studies Computer Science and Information Technologies Madaniya Kordinat : Jurnal Komunikasi antar Perguruan Tinggi Agama Islam Wahana Peternakan JOURNAL of LEGAL RESEARCH Livestock and Animal Research Jurnal Legisia Jurnal Ilmiah Ilmu-Ilmu Peternakan Jurnal Agripet
Nahrowi Nahrowi
Departemen Ilmu Nutrisi Dan Teknologi Pakan Fakultas Peternakan IPB, Bogor 16680
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Journal : Tropical Animal Science Journal

 1 
Enteric Methane Emissions and Rumen Fermentation Profile Treated by Dietary Chitosan: A Meta-Analysis of In Vitro Experiments R. P. Harahap; D. Setiawan; Nahrowi Nahrowi; S. Suharti; T. Obitsu; A. Jayanegara
Tropical Animal Science Journal Vol. 43 No. 3 (2020): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2020.43.3.233

Abstract

Chitosan is a natural compound obtained from deacetylation of chitin, which is a biopolymer present in the exoskeleton of crustaceans such as crabs and shrimp. The present study aimed to perform a meta-analysis from published studies regarding the effects of chitosan on methane emission and rumen fermentation profile of in vitro batch culture experiments. A total of 41 studies from 12 articles were integrated into a database. Parameters included were gas production, methane emission, rumen fermentation characteristics, microbial population, nutrient digestibility, and fatty acid profile. Data were analyzed according to mixed model methodology in which different studies were treated as random effects and chitosan addition levels were treated as fixed effects. Results showed that chitosan addition was able to reduce enteric methane emissions (p<0.001). Such methane decrease was accompanied by a decline in the protozoa population (p<0.05) and a tendency of methanogen reduction (p<0.1). The increasing chitosan level was associated with a decrease in total VFA and ammonia concentrations (both at p<0.001). Chitosan addition decreased acetate proportion (p<0.001) while elevated propionate proportion (p<0.001). Chitosan was associated with an increase of dry matter digestibility, crude protein digestibility, and neutral detergent fiber digestibility (p<0.001). Chitosan increased concentrations of C18:3n3 (p<0.05), conjugated linoleic acid (p<0.01) and polyunsaturated fatty acids (p<0.01) while decreased concentration of saturated fatty acids (p<0.001). It can be concluded that chitosan addition can mitigate enteric methane emission and alters rumen fermentation profiles in a favorable direction.
A Meta-analysis of Antimicrobial Peptide Effects on Intestinal Bacteria, Immune Response, and Antioxidant Activity of Broilers M. M. Sholikin; A. T. Wahyudi; A. Jayanegara; J. Nomura; Nahrowi Nahrowi
Tropical Animal Science Journal Vol. 44 No. 2 (2021): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2021.44.2.188

Abstract

This study used a meta-analysis to systematically assess the effect of antimicrobial peptide (AMP) addition on the number of bacteria, immune responses, and antioxidant activity of broilers. The database was compiled from 29 post evaluation articles that were found in search engines consisted of 36 experiments and 111 data. The mixed model method was used to assess the effect of AMP, with AMP addition level as a fixed effect and experiment as a random effect. The fixed effect was tested for linear and quadratic models. The quadratic model was retained when significant at p<0.05 but turned into its corresponding linear model when insignificant. In the starter phase, AMP addition decreased the number of bacteria in the ileum (coliform and total aerobic bacteria (TAB); (p<0.05), the caecum (Clostridium spp., Escherichia coli, coliform, and lactic acid bacteria (LAB); p<0.05), and excreta (Clostridium spp.; p<0.1). Similarly, the number of bacteria also declined in the ileum (Escherichia coli, p<0.05; TAB, p<0.1), the caecum (LAB; p<0.1), and excreta (Clostridium spp.; p<0.05) of broilers in the finisher phase. There were significant improvements in immune response and antioxidant activity in starter broiler, as indicated by the titer of Newcastle disease (ND) antibody, bursal index, spleen index, and thymus index (p<0.05) due to AMP addition. Variables of immunoglobulin M (IgM), cluster of differentiation 4 (CD4), ND antibody titer, bursal index, spleen index, and thymus index were also significantly increased (p<0.05) while superoxide dismutase activity (SOD activity) tended to increase (p<0.1) in finisher broiler following the AMP addition. In short, AMP addition is able to suppress the number of pathogenic bacteria and increase the immune response and antioxidant activity of broilers.
Propolis Supplementation on Broiler Chicken Performances, Nutrient Digestibility, and Carcass Characteristics: A Meta-Analysis Sadarman; A. Irawan; C. Hidayat; Elfawati; M. M. Sholikin; R. P. Harahap; R. K. Rusli; R. Solfaine; A. Sofyan; Nahrowi; A. Jayanegara
Tropical Animal Science Journal Vol. 44 No. 4 (2021): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2021.44.4.425

Abstract

This meta-analysis was conducted to investigate the effect of dietary propolis supplementation on broiler performance, carcass characteristics, and nutrient digestibility evaluated at the starter and finisher phases. An online literature search was conducted using scientific platforms of Science Direct, PubMed, and Google Scholar to identify the studies utilizing propolis as dietary supplementation in broiler chickens. A total of 39 publications comprising of 58 experiments met the inclusion criteria. A mixed model procedure for meta-analysis was performed, considering the studies as a random effect and levels of propolis as a fixed effect. Regression analysis suggested that average daily gain (ADG), body weight, and average daily feed intake (ADFI) at starter and finisher phases were quadratically affected by supplementing propolis in the diet (p<0.01). Propolis also lowered the feed conversion ratio (FCR) throughout the periods (p<0.05). In addition, a positive effect of propolis inclusion was also observed on breast meat percentage (p<0.05). However, there was a negative linear relationship between propolis and the digestibility of dry matter (DMD) and organic matter (OMD) (p<0.01) at the starter period. Conversely, there was a linear increase in DMD (p<0.05) and a tendency to improve apparent metabolizable energy (AME) and phosphorus digestibility at the finisher period (p<0.10). Overall, it can be concluded that dietary propolis supplementation promoted better growth performance and feed efficiency when given at ~1.66-2.13 g/kg diets for starter and finisher phases in the broiler chickens. The effect of propolis on nutrient digestibility was positive at the finisher phase while it was detrimental at the starter phase.
Performance, Methane Emission, Nutrient Utilization, and the Nitrate Toxicity of Ruminants with Dietary Nitrate Addition: A Meta-analysis from In Vivo Trials M. Abdelbagi; R. Ridwan; A. Fitri; Nahrowi; A. Jayanegara
Tropical Animal Science Journal Vol. 46 No. 1 (2023): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2023.46.1.74

Abstract

This study aims to evaluate the effects of dietary nitrate addition on performance, methane emission, nutrient utilization, and the nitrate toxicity of ruminants by using the meta-analysis methodology from in vivo trials. A total of 38 published papers and 139 studies were used. Parameters observed were feed intake, animal performance, enteric methane emission, and nitrate toxicity. Data were subjected to the mixed model methodology. Nitrate doses or forms were treated as fixed factors, while the different studies were treated as random factors. Results revealed that nitrate supplementation significantly decreased the milk protein content, milk fat content, dry matter intake, gross energy intake, the molar proportion of the propionic acid, methane production, and the metabolism of vitamin A in a linear pattern (p<0.05). Moreover, nitrate addition significantly increased nitrate intake, the molar proportion of the acetic acid, the ratio of acetic acid to propionic acid, hydrogen molecule production, microbial protein synthesis, and nitrite blood levels (p<0.05). However, treatments did not affect the milk yield, final body weight, nitrate retention, and blood methemoglobin. There was a significant interaction among the animal types and the nitrate (forms and doses) on the milk protein content, dry matter intake, rumen pH value, total volatile fatty acids, the molar proportion of propionic acid, NH3 concentration, H2 molecule, microbial protein synthesis, metabolism of vitamin A, and the blood methemoglobin. This concludes that nitrate supplementation is an alternative feed additive for mitigating the enteric methane in ruminants without any adverse effects on animals’ health or performance despite its impact on the feed consumption rate.
Co-Authors . Adawiah ., Harianto A Budiansyah A'dam, Syahrul A. Atabany, A. A. Fitri A. Irawan A. Sofyan A. Sofyan A. T. Wahyudi A. Yulifah A.D Hasjmy Adam, Syahrul Adawiah . Afton Atabany Agus Musta Rindi Agus Setiyono Ahmad Yani Ainun Nafisah Alifianty, Ouldya Fasya Allaily Allaily Allaily Allaily Allaily Allaily Almira Firna Fitrianti Ludfi Alya Nur Zahra Alysa alysa Anuraga Jayanegara Armaji, Yone Azhar Amir B. P. Purwanto Bagus Priyo Purwanto C. Hidayat C. Nugraheni D. A. Astuti D. A. Astuti D. Setiawan D.A. Astuti DA Astuti Darsono, W. DEWI APRI ASTUTI Dinda Ayu Permata Sari Dwi Margi Suci E. B. Laconi E. B. Laconi E. B. Laconi, E. B. Elfawati Enang Harris Eneh Maesaroh Erica B. Laconi Fariyanti, Anna Feri Kusnandar Fitri Kurnia Nikmah, Fitri Kurnia Francois Gustav Naryadi I wayan Teguh Wibawan ING MOKOGINTA Intan Nursiam Isnaini Dafri Isnaini Dafri J. Nomura Jidan Ramadani K. G. Wiryawan Komang G Wiryawan L. Abdullah L. Abdullah L. Abdullah Laili Fithri Hidayati Lendrawati Lendrawati Luki Abdullah M. Abdelbagi M. Aman Yaman M. M. Sholikin Madnur, Madnur Maggy T Suhartono Mardiah Rahmadani Markistiandi Fadhilah Martin, Rima Shidqiyya Hidayati masyrofah masyrofah, masyrofah Maya Shofiah Mira Andriani Mochammad Dzaky Alifian Muhammad Akbar Muhammad Ali Murtadlo Muhammad Hafidz Hasbullah Muhammad Ridla Muis, Nurmaya Rahmawati Mutiara Rizky Raisa N. Laylli Nadia Safira Nahdhiyah Alhasanah Niken Ulupi Novandri, B. Nur Santy Asminaya Nursiam, Intan Nurul Handayani Panca Dewi Manu Hara Karti Permatasari, Fila Pramujo, Muhammad Pratama, Apriyadi Romadon Puspita, Poppy Satya Putri, E. I. K. R A Nurfitriani R Estiana R Priyanto R Ridwan R. K. Rusli R. P. Harahap R. P. Harahap R. Ridwan R. Ridwan R. Solfaine Rahayu Asmadini Rosa Rakhmad Perkasa Harahap Ramadhani, Irwan Resmi Resmi Retno Budi Lestari Ria Estiana Ridwan, W. A. Rima Martin Rima Shidqiyya Hidayati Martin Rismawati . Rita Mutia S Mawaddah S Said S. P. Dewi S. Suharti S. Sunarto Sadarman Sadarman Sadarman Sakinah, Raudhoh Gholia Sakinah, Raudoh Gholia Salundik Siregar, Amril Mutoi Sofyan, Aa Sony Hartono Wijaya Suharlina Suharlina Suharti, Sri Sumiati . Sumiati . Syahruddin Syahruddin T Sutardi T Toharmat T. Obitsu Tazkiyah Annisa Utari Theo Mahiseta Syahniar TOHA SUTARDI Toto Toharmat Tri Aminingsih U H Tanuwiria Veybe G. Kereh W Hermana W Manalu Wahyuni Wahyuni Wasmen Manalu Widya Hermana Winanningrum, Anik Yantina, N. Yantyati Widyastuti Yatno Yaumil, Syahrul Yusmadi Yusmadi