News features and technical articles about the evolution of aquaculture, one of the world’s fastest growing industries.

oxytetracycline

Health & Welfare

Dietary organic acids used as growth promoters, anti-microbials

A feeding trial measured growth, nutrient utilization and faecal/gut bacterial counts in triplicate groups of red hybrid tilapia (Oreochromis sp.). Study results show that dietary organic acids can potentially replace OTC as a growth promoter and anti-microbial in tilapia feeds. 

Aquafeeds

Natural feed additives enhance rainbow trout performance

Various additives, many of plant origin, have been explored to replace the use of antibiotics in aquafeed. The authors compared the performance of rainbow trout fed diets containing oxytetracycline or mineral additives yellow loess and Song-Gang stone powder.