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Manipulation of the concentration of hydrogen and methane production by the addition of medium-chain fatty acids

Grant number: 13/01472-3
Support type:Scholarships abroad - Research Internship - Master's degree
Effective date (Start): April 01, 2013
Effective date (End): July 31, 2013
Field of knowledge:Agronomical Sciences - Animal Husbandry - Animal Nutrition and Feeding
Principal researcher:Flávio Augusto Portela Santos
Grantee:Fernanda Batistel
Supervisor abroad: Jeffrey L. Firkins
Home Institution: Escola Superior de Agricultura Luiz de Queiroz (ESALQ). Universidade de São Paulo (USP). Piracicaba , SP, Brazil
Research place: Ohio State University, Columbus, United States  
Associated to the scholarship:11/15923-1 - Effect of processing corn flint associated or not with calcium salts of fatty acids during early lactation of dairy cows kept on tropical pasture, BP.MS


Methane is a by-product generated in the digestive process (fermentation) of ruminants which occurs in the rumen. The main objective of the project is to evaluate whether different dietary conditions affect the concentration of hydrogen and methane production. Two experiments will be carried out, the first refers to the assessment of whether or not the addition of sources of medium-chain fatty acids associated with two passage rates on the concentration of hydrogen, methane production and number of protozoa. The second experiment concerns the use of bromoetanosulfonato (BES) nitrate and associated with two passage rates in a system of continuous in vitro fermentation on the concentration of hydrogen and methane production. The internship abroad still aims for closer international relations and improvement of the English language. (AU)

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