Faculty profile
Masahito Oba
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Research
Latest papers
Comparative analysis of rumen metagenomes with dietary supplementation of 3-nitrooxypropanol revealed divergent modes of action in hydrogen metabolism and reductant pathways between beef and dairy cattle.
Microbiome · 2026
Use of gallic acid and hydrolyzable tannins to reduce methane emission and nitrogen excretion in beef cattle fed a diet containing alfalfa silage1,2.
Journal of animal science · 2019
Effects of hydrolyzable tannin with or without condensed tannin on methane emissions, nitrogen use, and performance of beef cattle fed a high-forage diet.
Journal of animal science · 2018
Latest funding
- $25,000
Evaluation of Functional Fatty Acid Technology in Dairy Nutrition
NSERC · 2019 · Principal investigator
- $240,000
Nutritional management of dairy cows to enhance gut functions
NSERC · 2019 · Principal investigator
- $29,000
Nutritional management of dairy cows to enhance gut functions
NSERC · 2018 · Principal investigator
13 publications.
Comparative analysis of rumen metagenomes with dietary supplementation of 3-nitrooxypropanol revealed divergent modes of action in hydrogen metabolism and reductant pathways between beef and dairy cattle.
Choi Y, Zhou M, Oba M, Romero-Pérez A, Beauchemin KA, Duval S, Kindermann M, Guan LL
Use of gallic acid and hydrolyzable tannins to reduce methane emission and nitrogen excretion in beef cattle fed a diet containing alfalfa silage1,2.
Aboagye IA, Oba M, Koenig KM, Zhao GY, Beauchemin KA
Effects of hydrolyzable tannin with or without condensed tannin on methane emissions, nitrogen use, and performance of beef cattle fed a high-forage diet.
Aboagye IA, Oba M, Castillo AR, Koenig KM, Iwaasa AD, Beauchemin KA
Assessment of microbiome changes after rumen transfaunation: implications on improving feed efficiency in beef cattle.
Zhou M, Peng YJ, Chen Y, Klinger CM, Oba M, Liu JX, Guan LL
Morphologic and transcriptomic assessment of bovine embryos exposed to dietary long-chain fatty acids.
Salehi R, Colazo MG, Tsoi S, Behrouzi A, Tsang BK, Dyck MK, Oba M, Ambrose DJ
Fermentation of Ammonia Fiber Expansion Treated and Untreated Barley Straw in a Rumen Simulation Technique Using Rumen Inoculum from Cattle with Slow versus Fast Rate of Fiber Disappearance.
Griffith CL, Ribeiro GO, Oba M, McAllister TA, Beauchemin KA
A prepartum diet supplemented with oilseeds high in oleic or linoleic acid reduced GnRH-induced LH release in dairy cows during second week postpartum.
Salehi R, Colazo MG, Oba M, Ambrose DJ
Effect of calf starter feeding on gut microbial diversity and expression of genes involved in host immune responses and tight junctions in dairy calves during weaning transition.
Malmuthuge N, Li M, Goonewardene LA, Oba M, Guan LL
Variation of bacterial communities and expression of Toll-like receptor genes in the rumen of steers differing in susceptibility to subacute ruminal acidosis.
Chen Y, Oba M, Guan LL
Changes in bacterial diversity associated with epithelial tissue in the beef cow rumen during the transition to a high-grain diet.
Chen Y, Penner GB, Li M, Oba M, Guan LL
Evaluation of Functional Fatty Acid Technology in Dairy Nutrition
Principal investigators: Oba, Masahito
Nutritional management of dairy cows to enhance gut functions
Principal investigators: Oba, Masahito
Keywords: Butyrate; Calving transition management; Dairy cows; Glucagon like peptide 2; Gut functions; Inflammatory responses; Rumen acidosis; Zinc
Nutritional management of dairy cows to enhance gut functions
Principal investigators: Oba, Masahito
Intracellular pH regulation of ruminal epithelium and its impacts on rumen acidosis
Principal investigators: Oba, Masahito
Effect of a ferulate esterase producing bacterial inoculant on nutritive value of barley silage for dairy cattle
Principal investigators: Oba, Masahito
Phenotypic indicators of genetic variation of CLA production in milk
Principal investigators: Moore, Stephen
Nitrogen metabolism in ruminant gut tissues
Principal investigators: Oba, Masahito
From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.
Frequent collaborators
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