Effects of 2-bromoethanesulfonate alone or in combination with calcium propionate or monensin on methane and gaseous hydrogen production during in vitro rumen fermentation

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Abstract
Summary: This experiment evaluated the effect of 2-bromoethanesulfonate in combination with monensin or calcium propionate on in vitro gaseous CH4 and H2 production. Gas pressure and composition data were collected at 0, 4, 8, 18, 24, and 48 hours of fermentation. Results suggest all treatments containing 2-bromoethanesulfonate reduced CH4 production, but monensin may further reduce CH4 compared with 18 hours of 2-bromoethanesulfonate alone. The addition of monensin and calcium also reduced H2, and this observation serves as evidence that the compounds may serve as a short-term strategy to reduce gaseous H2 production when CH4 mitigators such as 2-bromoethanesulfonate are used to reduce enteric CH4 production.
Funding Information
  • U.S. Department of Agriculture (2024-68012-41583)
  • U.S. Department of Agriculture (2226)
  • National Institute of Food and Agriculture
  • Agricultural Research Service
  • University of Nebraska-Lincoln

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