Osfar Sjofjan

ORCID: 0000-0003-0115-3853
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Research Areas
  • Food and Agricultural Sciences
  • Animal Nutrition and Physiology
  • Agricultural and Biological Research
  • Medicinal Plant Research
  • Moringa oleifera research and applications
  • Rabbits: Nutrition, Reproduction, Health
  • Aquatic life and conservation
  • Protein Hydrolysis and Bioactive Peptides
  • Livestock Farming and Management
  • Natural Products and Applications
  • Livestock and Poultry Management
  • Meat and Animal Product Quality
  • Agriculture and Agroindustry Studies
  • Probiotics and Fermented Foods
  • Food composition and properties
  • Insect Utilization and Effects
  • Aquaculture Nutrition and Growth
  • GABA and Rice Research
  • Date Palm Research Studies
  • Garlic and Onion Studies
  • Biofuel production and bioconversion
  • Bee Products Chemical Analysis
  • Selenium in Biological Systems
  • Magnetic and Electromagnetic Effects
  • Enzyme Production and Characterization

University of Brawijaya
2015-2024

Universitas Jember
2023

IPB University
2021

The study was aimed to investigate the effects of some kinds commercial feed on quantitative and qualitative production performance broiler chicken include intake, weight gain, conversion ratio, mortality, index (IP), income over cost (IOFC), percentage carcasses, deposition breast meat, meat cholesterol, antibiotic residues. This used 200 unsexed day old chick which were allocated in Completely Randomized Design analyzed using one way analysis variance (ANOVA) with 4 treatments 5...

10.21059/buletinpeternak.v40i3.11622 article EN cc-by-sa Buletin Peternakan 2016-11-03

A meta-analysis was conducted to determine the effects of probiotics on performance, blood parameters, nutrient digestibility and carcase quality domesticated rabbits. dataset constructed based relevant published papers. An algorithm from 2004 2022, with a search in Scopus, Web Science, Pub Med, Medline using MESH terms 'probiotics', 'rabbit', 'performance', 'blood parameters', 'nutrient digestibility', 'carcasses'. After carefully evaluation, final consisted 35 in-vivo studies comprising...

10.1080/1828051x.2023.2172467 article EN cc-by-nc Italian Journal of Animal Science 2023-02-10

A meta-analysis was conducted to determine the effects of herbal plant extracts on growth performance, blood parameters, nutrient digestibility and carcase quality farmed rabbits. dataset created from 33 in vivo studies comprising 121 experimental units. Statistical performed using a random-effects model linear-mixed meta-regression R software (v. 4.3.0). Our results showed that although supplemental herbs did not affect average daily gain (ADG) final body weight (BW), they reduced (P <...

10.1016/j.heliyon.2024.e25724 article EN cc-by-nc-nd Heliyon 2024-02-01

1. Abd Elhalim H.S., Attia F.A.M., Hanafy A.M., Khalil H.A., 2007. Effects of probiotic (Biogen) and zinc bacitracin supplementation on laying hen performance, some blood parameters egg quality. Agric. Res. J. 7, 11−19. Google Scholar

10.22358/jafs/133432/2021 article EN Journal of Animal and Feed Sciences 2021-03-03

1. Amano T., Ushiyama K., Fujita G., Higuchi H., 2004. Alleviating grazing damage by white-fronted geese: an optimal foraging approach. J. Appl. Ecol. 41, 675–688, https://doi.org/10.1111/j.0021... CrossRef Google Scholar

10.22358/jafs/152621/2022 article EN Journal of Animal and Feed Sciences 2022-09-28

Feed additives in modern poultry farming are generally used to spur growth or increase livestock productivity and feed efficiency (Sjofjan et al., 2020a).Feed often antibiotics at the subtherapeutic level these have residual effects on human health.The EU has imposed a ban use of animal since January 1, 2006 (regulation number 1831/2003),

10.17582/journal.aavs/2022/10.8.1668.1677 article EN Advances in Animal and Veterinary Sciences 2022-01-01

<ns3:p><ns3:bold>Introduction</ns3:bold>: The number of publications in Scopus on this topic increased from less than 50 1995 to more 250 2015. In other hand, inconsistency results about the correlation between yeast and lactic acid bacteria as probiotics has been evident since early use broilers.</ns3:p><ns3:p> <ns3:bold>Methods</ns3:bold>: A meta-analysis was conducted determine relationship broiler diets growth performance, relative organ weight, blood parameters, immune response broiler....

10.12688/f1000research.51219.3 preprint EN F1000Research 2021-10-13

This research aims to evaluate the provision of inorganic and organic selenium in feed on reproductive status layers. took main object as layers aged 60 weeks with ISA Brown strain. The used a Completely Randomized Design (CRD) method Duncan’s advanced test. results this study explain that giving additional form (Se) several doses basal plus 1000 g/ton 225 showed significant increase FSH hormone, while at dose 2,500 375 gave LH hormone. best treatment are because contained can help improve...

10.47191/ijcsrr/v8-i4-30 article EN International Journal of Current Science Research and Review 2025-04-23

&lt;p class="abstrak2"&gt;In this experiment, we investigate the effect of modified banana tuber meal (M-BTM) to substitute dietary maize in growing-finisher colored-feathered hybrid duck. One hundred and ninety six ducks (Pekin x Khaki Campbell) with 421.31 ± 0.183g body weight (BW) were allotted 5 treatments 9 (unsexed) per pen 4 replications treatment. These were: NC (negative control; maize-soyabean-meal based diet), BTM25 (25% was replaced by M-BTM-), BTM50 (50% M-BTM), BTM75 (75%...

10.14334/jitv.v26i1.2686 article EN Jurnal Ilmu Ternak dan Veteriner 2021-06-22

Effect of the mixture garlic and Phyllanthus niruri L. in either powder or encapsulated form on broiler performances, intestinal characteristics microflora were investigated. One hundred ninety two 1-day-old Lohmann chicks subjected to 8 different dietary groups, namely 2 forms phytobiotic (non-encapsulated encapsulated) 4 levels inclusion (0, 0.4, 0.8 1.2%). Data then analyzed by two-way Nested Completely Randomized Design ANOVA if there was significant effect followed Duncan’s Multiple...

10.3923/ijps.2013.676.680 article EN International Journal of Poultry Science 2013-10-15

In this experiment, we investigated the effect of increasing levels palm kernel meal containing α-β-mannanase replacing maize to growing-finishing hybrid duck on growth performance, nutrient digestibility, and carcass trait. One hundred ninety- six ducks [(Peking x Khaki Campbell)] with 410.52 ± 95.25 g BW) were allotted 5 dietary treatments 9 (unsexed) per pen 4 replicates treatments. These were: NC (negative control; maize-soybean-meal based diet), PKM25 (maize replacement PKM 25%), PKM50...

10.14710/jitaa.46.1.29-39 article EN cc-by-sa Journal of the Indonesian Tropical Animal Agriculture 2020-12-22

The purpose of this study was to determine the effect Moringa leaf meal (Moringa oleifera) in feed on production performance and egg quality laying hens. materials used 120 hens Isa Brown breed 38 42 weeks age. method an experimental trial by oleifera addition basal feed. experiment were devided into four groups i.e. without as control (P0), with 0.5% (P1), 1% (P2), 1.5% (P3) 2% (P4). Variables observed appearance quality. data analyzed Completely Randomized one way design. mean differences...

10.21059/buletinpeternak.v40i3.11203 article EN cc-by-sa Buletin Peternakan 2016-11-03

Tujuan dari penelitian ini adalah untuk mengetahui efek tepung kunyit dan probiotik terhadap karakteristik usus halus yang terdiri total vili, tinggi vili viskositas digesta. Materinya 100 DOC (Day Old Chick) ukuran per plot 70 × 80 cm dibagi menjadi 20 plot. Data dianalisis secara statistik dengan menggunakan Analisis Variasi (anova). Jika data hasil berbeda signifikan antara perlakuan maka dilanjutkan Uji Jarak Berganda Duncan. Dalam desain acak lengkap empat lima ulangan masing-masing 5...

10.24198/jnttip.v2i1.26587 article ID cc-by Jurnal Nutrisi Ternak Tropis dan Ilmu Pakan 2020-03-22

Abstract Numerous efforts have been undertaken to develop suitable alternatives in order counteract the anticipated drawbacks associated with ban of antibiotic growth promoters (AGPs). The research purpose is carry out possible effect mannan-riched fraction (MRF) and probiotic enhanced water as natural (NGPs) on performance, relative organ weight, serum blood biochemistry, intestinal properties, micro flora. 320 one-day-old Arbor Acres broiler were randomly allocated 4 dietary treatments...

10.1088/1755-1315/478/1/012066 article EN IOP Conference Series Earth and Environmental Science 2020-04-01

The objective of this experiment was to evaluate the use acidifier and herb-acidifier combinations on intestinal microflora, histology serum characteristics broilers at 35 days age when fed a diet supplemented with natural (lactic acid citric acid), (natural herbs (garlic Phyllanthus niruri L.) encapsulated non-encapsulated. Here, 192 (Lohmann) broiler chicks were negative control diet, positive (tetracycline), 1.2% non-encapsulated (ANE), (AE), combination (CNE), or (CE). variables measured...

10.1063/1.4983423 article EN AIP conference proceedings 2017-01-01

The research was aimed to evaluate the effect of biogas liquid waste as a fermentation starter rice husk nutrient content, gross energy and bulk density. method used laboratory experiment using completely randomized design (CRD) on factorial pattern (6 x 5) with level : P0-treatment (0% negative control), P0+ (Cellulomonas sp positive P1 (5%), P2 (10%), P3 (15%), P4 (20%) ml/g, incubation time T0 (0 day control ), T1(7 days), T2 (14 T3 (21 days) T4 (28 days). variables measured content ash,...

10.20884/1.jap.2020.22.1.38 article EN cc-by-sa ANIMAL PRODUCTION 2020-07-06

Abstract The research was to determine the effect of feeding symbiotic flour ( Lactobacillus sp. and FOS) egg quality performance laying hens. a completely randomized design with 5 treatments 4 replicates. materials used for this were 100 hens (30 weeks old). dietary feed consisted T 0 (basal feed), 1 + 0.2% symbiotic), 2 0.4% 3 0.6% feed+0.8% symbiotic). observed parameters (feed intake, hen day production, mass, conversion ratio, income over cost (IOFC)) (haugh unit, albumin volume, yolk...

10.1088/1755-1315/465/1/012033 article EN IOP Conference Series Earth and Environmental Science 2020-03-01

Eimeria causes coccidiosis, which has long been recognized as a disease in chickens that significantly affects the economy. The global chicken population continues to grow, and its contribution food security increases, making it increasingly important produce meat is safe for human health. This study aims prove Pediococcus pentosaceus ABY 118 modulation of ChIFN-γ ChIL-10 infected with E. tenella oocysts. used 100 day-old (DOC), randomly divided into 5 treatments; each treatment consists 20...

10.1155/2021/1473208 article EN cc-by Veterinary Medicine International 2021-10-08
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