O. A. Isah

ORCID: 0000-0002-1632-5788
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Research Areas
  • Ruminant Nutrition and Digestive Physiology
  • Rabbits: Nutrition, Reproduction, Health
  • Agriculture and Rural Development Research
  • Genetic and phenotypic traits in livestock
  • Agroforestry and silvopastoral systems
  • Moringa oleifera research and applications
  • Botany and Plant Ecology Studies
  • Rangeland Management and Livestock Ecology
  • Bioenergy crop production and management
  • Animal Diversity and Health Studies
  • Animal Nutrition and Physiology
  • Pasture and Agricultural Systems
  • Gut microbiota and health
  • Agricultural pest management studies
  • Insect Pest Control Strategies
  • Nuts composition and effects
  • Food Supply Chain Traceability
  • Phytoestrogen effects and research
  • Soil Carbon and Nitrogen Dynamics
  • Endodontics and Root Canal Treatments
  • Food and Agricultural Sciences
  • Aquatic life and conservation
  • Meat and Animal Product Quality
  • Livestock Farming and Management
  • Coal and Coke Industries Research

Federal University of Agriculture
2014-2024

Federal University of Technology
2020

Gemma Henderson Faith Cox Siva Ganesh Arjan Jonker Wayne Young and 95 more Leticia Abecia Erika Angarita Paula Aravena Graciela Nora Arenas Claudia Ariza Graeme T. Attwood Jose Mauricio Avila Jorge Ávila–Stagno A. Bannink Rolando Barahona Rosales Mariano Batistotti Mads F. Bertelsen Aya Brown-Kav A. Carvajal Laura Cersosimo A. V. Chaves John S. Church Nicholas Clipson Mario A. Cobos-Peralta Adrian L. Cookson Silvio Cravero Omar Cristobal-Carballo Katie Crosley G. D. Cruz María Esperanza Cerón‐Cucchi Rodrigo de la Barra Alexandre B. de Menezes Edênio Detmann K. Dieho J. Dijkstra William Lima Santiago dos Reis M. E. R. Dugan Seyed Hadi Ebrahimi Emma Eythórsdóttir Fabian Nde Fon Martín Fraga Francisco Franco Chris Friedeman Naoki Fukuma Dragana Gagić Isabelle D.M. Gangnat Diego Grilli Le Luo Guan Vahideh Heidarian Miri Emma Hernandez‐Sanabria Alma Ximena Ibarra Gomez O. A. Isah Suzanne L. Ishaq Elie Jami Juan Jelincic Juha Kantanen William J. Kelly Seon‐Ho Kim Athol V. Klieve Yasuo Kobayashi Satoshi Koike J Kopečný Torsten Nygaard Kristensen S.J. Krizsan Hannah Lachance Medora Lachman W. R. Lamberson Suzanne C. Lambie J. Lassen Sinead C. Leahy Sang-Suk Lee Florian Leiber E. Lewis Bo Lin Raúl Lira P. Lund Edgar Macipe Lovelia L. Mamuad Hilário Cuquetto Mantovani Gisela Marcoppido Cristian Márquez Cécile Martin G. Martı́nez María Eugenia Martínez Olga Lucía Mayorga Tim A. McAllister Christopher S. McSweeney Lorena Mestre Elena Minnee Makoto Mitsumori Itzhak Mizrahi Isabel Molina A. Muenger Camila Muñoz Boštjan Murovec J.R. Newbold V.L. Nsereko M. O’Donovan Sunday Adewale Okunade H B O'Neill

Abstract Ruminant livestock are important sources of human food and global greenhouse gas emissions. Feed degradation methane formation by ruminants rely on metabolic interactions between rumen microbes affect ruminant productivity. Rumen camelid foregut microbial community composition was determined in 742 samples from 32 animal species 35 countries, to estimate if this influenced diet, host species, or geography. Similar bacteria archaea dominated nearly all samples, while protozoal...

10.1038/srep14567 article EN cc-by Scientific Reports 2015-10-09

Aims To measure the impact of supplementing a forage diet with tree-based browse on ruminal bacterial communities Nigerian West African Dwarf (WAD) sheep. Methods and Results Fifteen WAD sheep were fed control (Panicum maximum), 12 animals shifted in groups three to one four browse-supplemented diets (Albizia saman, Bridelia micrantha, Ficus sur, or Gmelina arborea). These plants shown concurrent but separate study be reasonably nutritious (based chemical composition fibre constituents)...

10.1111/jam.12450 article EN Journal of Applied Microbiology 2014-01-22

Fodder potential and acceptability of foliages six selected trees, Afzelia africana, Daniellia oliveri, Acacia seyal, Entada Pterocarpus erinaceus Securnega virosa, by 12 Red Sokoto bucks (9.8±0.36 kg BW) was determined using cafeteria method in a completely randomized design. Whereas DM, ash, cellulose, NDF, ADF condensed tannins (CT) were highest OM, non-fibrous carbohydrate (NFC) ADL lowest the forage. Crude protein ether extract (EE), total phytate lowest, respectively, africana....

10.5958/0974-181x.2014.01351.1 article EN Animal Nutrition and Feed Technology 2014-01-01

<p>The study was conducted to estimate the nutritive value of six indigenous browse fodders (Etanda africana, Piliostigma thonningii, Detarium microcarpum, Daniellia oliveri, Pterocarpus erinaceus, and Afzelia africana) by evaluation chemical composition, anti-nutritional factors in vitro gas characteristics. All samples (g/100g DM) had high CP (12.6–24.7), moderate fibre concentrations (NDF, 34.7–54.6; ADF, 19.7–35.2 lignin, 7.36–12). There were significant differences (P <...

10.56369/tsaes.2017 article EN cc-by Tropical and Subtropical Agroecosystems 2014-12-29

Studies were conducted to evaluate the nutritive value of eight selected forages (Tridax procumbens, Merremia aegyptia, Aspilia africana, Tithonia diversifolia, Alchornea cordifolia, laxiflora, Synedrella nodiflora, and Newbouldia laevis) consumed by ruminants in South-Western Nigeria. Chemical composition qualitative analysis saponins, phenol steroids plants determined. In vitro gas production (IVGP) was carried out for 72 hours on plants. Metabolizable energy (ME), Organic matter...

10.51791/njap.v40i1.693 article EN Nigerian Journal of Animal Production 2020-12-28

Degradability characteristics of dry matter (DM) and crude protein (CP) in four tree leaves crop residues were evaluated this study using the nylon bag technique with three cannulated rams. The results revealed significant variations between terms DM CP degradability characteristics. potential ranged from 65.94 to 96.69% 51.28 73.77% whereas disappearance after 48 hrs incubation was 43.27 73.50% 34.03 54.27% respectively. Effective (ED) decreased increase outflow rates ranging a low 35.88%...

10.3923/pjn.2005.313.320 article EN Pakistan Journal of Nutrition 2005-08-15

Abstract Medicinal plants with high phytochemical values are critical for enhancing the productivity of livestock systems, while reducing their environmental impact. This study investigated influence graded levels Cassia fistula leaf powder (CFLP) on in vitro ruminal fermentation parameters, gas production and degradability diets ruminants. Five concentrate were formulated to contain varying CFLP (0, 15, 30, 45 60 mg/g dry matter (DM), denoted CF0, CF15, CF30, CF45 CF60, respectively). The...

10.1017/s0021859623000023 article EN The Journal of Agricultural Science 2023-01-01

A study was carried out to investigate the nutrient composition as well anti-nutritional constituents of some tree plants (Ficus sur, Bridelia macarrantii, Gmelina arborea and Albizia saman) forage grass (Penisetum purpureum) in south- western Nigeria. Results indicated significant (P<0.05) variability values percentage crude protein (9.71 - 23.67%) where Penisetum purpureum recorded least value highest observed Ficus sur. Dry matter (DM), Crude fiber (CF), Organic (OM) Ash contents...

10.51791/njap.v40i1.681 article EN Nigerian Journal of Animal Production 2020-12-28

Guava leaf is a sustainable and locally accessible forage that can serve as valuable supplement to the diet of ruminants due their rich nutritional profile appreciable secondary metabolites which support methane reduction for effective nutrient utilization. This study investigated effects guava supplementation in ruminant on vitro production, degradability protozoa population. leaves (GL) was substituted Panicum hay (PH) at 0, 15, 30, 45 60% levels roughage source West African dwarf goats...

10.51791/njap.vi.7294 article EN Nigerian Journal of Animal Production 2024-09-10

This research was carried out to assess the replacement of conventional antibiotics (tetracycline) with a spice such as Grain Paradise (Aframomum melegueta) growth promoter in ruminant production. The results proximate, fibre and phytochemical analyses revealed presence appreciable quantities tannins, saponins, phenols, oxalates, alkaloids etc. vitro studies using inoculum from cattle showed that at 24th, 30th 33rd hour incubation, similar but lowest gas production observed substrate...

10.51791/njap.vi.7342 article EN Nigerian Journal of Animal Production 2024-09-10
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