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Relating to a microbe or to microbes.
Synonym(s): microbic, microbiotic (2)


Of or involving or caused by or being microbes.
See also: microbe
Synonym(s): microbial.
[Fr., fr. G. micros, small, + bios, life]


(mī′krōb″) [ micro- + Gr. bios, life]
A unicellular or small multicellular organism including bacteria, protozoa, some algae and fungi, viruses, and some worms, esp. those that are injurious to other organisms.
microbialmicrobic (mī-krō′bē-ăl) (mī-krōb′ĭk), adjective


pertaining to or emanating from a microbe.

microbial digestion
the breakdown of organic material, especially feedstuffs, by microbial organisms. It is the basis of the functioning of the rumen, the large intestine of the horse, and a significant part of the digestive process in the crop of birds. The function can be seriously damaged by the prolonged or heavy dosing of the animal with antibiotics or sulfonamides.
microbial flora
References in periodicals archive ?
Durnay C, Morel T (1980) Use of a semicontinuous culture system (RUSITEC) to study the effects of phosphorus deficiency on rumen microbial digestion.
The rumen is the largest compartment and serves as a fermentation vat for microbial digestion of grasses.
Microbial digestion of recalcitrant plant cell wall involves microbial colonization of the feed particles and the integrated action of multiple enzymatic activities depending on the physical and chemical composition of the plant cell wall.
The combination of alkali pre-treatment and EFE synergistically improved ruminal microbial digestion of straw, but the optimal conditions for the synergistic effect need to be defined.
Additional samples were incubated for 30 min at 39[degrees]C in autoclaved ruminal fluid to estimate DM disappearance not attributable to microbial digestion (0 h).
Microbial digestion was arrested by adding 1 ml of 5% mercuric chloride to each vial.
Microbial digestion that occurred and progressed from more digestible inner tissue had been observed under microscope (Migne et al.
Scanning electron microscopy in the study of microbial digestion of plant fragments in the gut.

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