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U.S. Department of Health and Human Services

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Title:  Efficacy of florfenicol (Aquaflor®) medicated feed to control columnaris disease in juvenile Steelhead trout (Oncorhynchus mykiss).
 
Authors:  Foott JS, Stone R, Bowker J, Fogerty R
 
Drug:  Florfenicol
 
Fish species:  Trout, rainbow (steelhead)
 
Date:  2007
 
Sample:  viscera
 
Ave Weight (gm):  2.8
 
Ave Water temp (°C):  19.7
 
Water:  Freshwater
 
Dosage:  10 mg/kg 10d
 
Route:  PO
 
Comments:  Fish were fed at 3.5% body weight/day. Florfenicol concentration was less than 0.25ng (detectable level). Treatment was not successful in controlling columnaris. Feed rates within approximately 6-16% of target level for this trial. No significant pathological effect on posterior kidney, liver or intestine. Lower survival and infection in fish compared to 2% feeding.
 
Citation:  U.S. Fish and Wildlife- California Nevada Fish Health Center FY2007 investigational report.
 
Link:  http://www.fws.gov/canvfhc/reports.asp  Opens a new window
 
Genus Species:  Oncorhynchus mykiss
 
Drug Class:  Antibiotic-Phenicol
 
Wt gm-detail:  2.8 +/- 0.8g
 
Water temp (°C)-detail:  18.3-22.2 C
 
Dosage-detail:  10 mg/kg 10 d
 
Method:  Micro
 
Authors-red:  Foott JS, Stone R, Bowker J, Fogerty R
 
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