Ozone Decreased Enteric Methane Production by 20% in an in vitro Rumen Fermentation System.
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ABSTRACT: Ozone (O3) is volatile, highly oxidative, and has theoretical potential to reduce ruminant enteric methanogenesis by interactions between archaea and bacteria, and substrate and oxygen. The effects of O3 on the rumen microbiota, fermentation parameters, and CH4 emissions were studied through in vitro fermentation using a RUSITEC apparatus with O3 dissolved in the salivary buffer. The substrate consisted of maize silage or grain concentrates, and the treatments were (1) control (no O3) and (2) O3 at 0.07 ± 0.022 mg/L in the buffer. A 4-day adaptation period followed by a 6-day experimental period was used for measuring gas production and composition, as well as fermentation characteristics, which included ruminal volat
SUBMITTER: Zhao L
PROVIDER: S-EPMC7667233 | biostudies-literature | 2020
REPOSITORIES: biostudies-literature
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