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Effect of 9,10-Anthraquinone on rumen methane production as studied in vitro and in vivo
Published online by Cambridge University Press: 20 November 2017
Extract
In vitro supplementation of 0.05% [on a substrate basis (wt/wt)] - but not of 0.01% - of 9,10-Anthraquinone (AQ) inhibited rumen methanogenesis, reduced total volatile fatty acid (VFA) concentrations and molar proportions of acetate (Acet), increased proportions of propionate (Prop) and butyrate (But) and resulted sometimes in H2 accumulation (Garcia-Lopez et al., 1996). In vivo administration of high amounts of AQ [5% on a substrate basis (wt/wt)] to lambs depressed CH4 and increased H2 concentrations in ruminal gases during the complete 19 days of administration, whereas original concentrations were re-installed within 6 days after the removal of AQ from the diet (Kung et al., 1996). In this experiment we aimed to study the dose effect of AQ on in vitro rumen fermentation and modifications to rumen fermentation when administering 0.05% of AQ in vivo.
- Type
- Cattle Nutrition
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- Copyright © The British Society of Animal Science 2003