A 50-day feeding trial was conducted to determine the effects of dietary bamboo charcoal (BC) on ammonia (NH3-N) excretion and growth performances of Pangasius hypophthalmus, write M Sadiqul Islam et al, Bangladesh Agricultural University.
A type of clay used in cosmetics, medicine, and papermaking may be just what aquaculture farmers need to fight columnarisa costly and deadly bacterial disease that affects freshwater finfish worldwide, writes Sandra Avant, USDA, ARS.
