Overview of AQUAFLOR® 50% Premix*


AQUAFLOR is also marketed as AQUAFEN®, FLOROCOL® and NUFLOR® in some markets. Check with your Merck/MSD Animal Health representative regarding the products and indications available for your area.

AQUAFLOR® 50% Premix is a synthetic, broad-spectrum, bactericidal antibiotic indicated for the treatment of diseases of fish caused by bacteria susceptible to florfenicol.

AQUAFLOR inhibits bacterial protein synthesis, and is active against a number of bacterial pathogens in fish includingAeromonas salmonicida, Vibrio salmonicida,Vibrio anguillarum, Yersinia ruckeri, Edwardsiella ictaluri, Edwardsiella tarda, Streptococcusspp.,Flavobacterium columnare, Flavobacterium psychrophilum, Renibacterium salmoninarum, Piscirickettsia salmonis and Photobacterium damselae


·Can be fed from fingerlings to food fish
·May be used in sinking or floating feeds
·Stable under high-temperature extrusion processes
·Short withdrawal time


·Broad-spectrum antibiotic with unique molecular structure
·Proprietary formulation developed specifically for aquaculture
·Keeps fish healthy, so they stay on feed for optimum survival, growth and returns
·Reduces mortality so you can produce more fish


·Studies show that fish readily consume feed with Aquaflor — palatability comparable to unmedicated feed
·Minimize wasted feed, maximize antibiotic uptake
·Uniform granulation for optimum distribution in feed and more accurate dosage delivery


·No adverse effects on fish behavior or performance, even when tested at 5X and 10X dose rates
·Developed specifically for fish and food-animal species — not used in human medicine
·Friendly to environment — no significant risk to aquatic ecosystems

*Aquafen 2.5% Premix is available in Japan for the treatment of diseases of fish caused by bacteria susceptible to florfenicol.