defaunate

defaunate

elimination of microscopic fauna, especially protozoa, in the rumen and cecum, with depressing effects on digestion.
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References in periodicals archive ?
The activity of saponin in lerak extract to defaunate rumen protozoa is not affected by the diet composition.
At moderate intensities dredging causes blooms of ephemeral or mobile species and at high intensities it may eventually defaunate large coastal areas either due to physical smothering or development of anoxia (Skilleter et al.