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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
2009-11-25
pubmed:abstractText
Drinking-water treatment with enrofloxacin is widely used to cure respiratory infections in turkeys. The current treatment regimen advises a 5-day treatment at 10 mg/kg body weight. Since enrofloxacin exerts a concentration-dependent activity it might be useful to provide the total treatment dose of 50 mg/kg total dose in a single-day treatment regimen. We therefore assessed whether single-day treatment regimens with 50 mg/kg body weight were clinically equivalent to the advised multiple-day treatment regimen with 10 mg/kg body weight for 5 days. For this purpose, five groups of 16 turkeys, 22 days old, were experimentally inoculated with avian metapneumovirus (APV) and Ornithobacterium rhinotracheale and subsequently treated in the drinking water with enrofloxacin, using either a single-day treatment regimen at 50 mg/kg body weight during a 5-h, 10-h or 20-h period or a standard 5-day treatment regimen at 10 mg/kg body weight/ day for 20 h. Although initially all dosage regimens cleared O. rhinotracheale from the trachea, 4 days after onset of treatment O. rhinotracheale bacteria were re-excreted in the single-day regimens but without worsening of the clinical symptoms. The 5-day treatment with 10 mg enrofloxacin/kg in turkeys provided the best results for the treatment of an O. rhinotracheale infection in turkeys by shortening the course and reducing the severity of clinical disease and by eliminating O. rhinotracheale from the respiratory tract without re-emergence. None of the used treatment regimens promoted the selection of bacterial clones with reduced susceptibility or resistance.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
1465-3338
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
38
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
287-92
pubmed:meshHeading
pubmed:year
2009
pubmed:articleTitle
Efficacy of four enrofloxacin treatment regimens against experimental infection in turkey poults with avian pneumovirus and Ornithobacterium rhinotracheale.
pubmed:affiliation
Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium. an.garmyn@ugent.be
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't