Citation

Williams VJ , Nottle MC , Moir RJ Underwood EJ (1953) Ruminal Flora Studies in the Sheep IV. the Influence of Varying Dietary Levels of Protein and Starch Upon Digestibility, Nitrogen Retention, and the Free Microorganisms of the Rumen. Australian Journal of Biological Sciences 6, 142-152.

https://doi.org/10.1071/BI9530142