HUNGATE 1,2 successfully cultivated ciliate oligotrich protozoa from the rumen of cattle ; but Sugden 3 was unable to maintain protozoa from the sheep's rumen alive for more than fifteen days.

A healthy reef tends to have a lot of herbivores." In the new study, Ritchie and her colleagues report that a single-celled organism called a ciliate, which was identified last year as the cause of a ...