Document Detail


Occurrence and diurnal population fluctuations of the ruminal protozoan Microcetus lappus.
MedLine Citation:
PMID:  2495765     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A series of experiments with bison and cattle were conducted to obtain information on the relatively uncommon ruminal protozoan Microcetus lappus. Although M. lappus is a holotrich, diurnal changes in concentrations indicate that it follows a cycle unlike most other holotrichs, decreasing shortly after feed is offered and then gradually increasing over time. Concentrations of M. lappus varied widely among animals, exceeding 50% of the total protozoan population in some cattle. In bison, Microcetus concentrations averaged 2% of the protozoan population. Dietary protein and energy levels apparently did not influence Microcetus numbers. The highest concentrations of M. lappus were found in the reticulum, whereas the lowest numbers occurred in the mid-dorsal sac.
Authors:
G Towne; T G Nagaraja
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Applied and environmental microbiology     Volume:  55     ISSN:  0099-2240     ISO Abbreviation:  Appl. Environ. Microbiol.     Publication Date:  1989 Jan 
Date Detail:
Created Date:  1989-05-23     Completed Date:  1989-05-23     Revised Date:  2010-09-09    
Medline Journal Info:
Nlm Unique ID:  7605801     Medline TA:  Appl Environ Microbiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  91-4     Citation Subset:  IM    
Affiliation:
Department of Animal Sciences and Industry, Kansas State University, Manhattan 66506.
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MeSH Terms
Descriptor/Qualifier:
Animals
Artiodactyla / parasitology*
Cattle / parasitology*
Ciliophora / growth & development*
Circadian Rhythm
Female
Male
Rumen / parasitology*
Comments/Corrections

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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