Disruptive scientific theories and methods usually face the same reaction when first presented to the scientific community: they sometimes seem to contradict the “established” literature. Measuring ruminal activity by means of the gas production method is no exception: the method has long been established and a large quantity of data on many ruminant feedstocks already exists. Measurements performed with Gas Endeavour are by far more precise and accurate than those obtained with other instruments. In spite of the higher precision and accuracy provided by Gas Endeavour, some users point out that the values measured with it are underestimated when compared to literature averages. The present application note shows that there is no underestimation at all, but just a difference in conventions to express gas volumes.
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