Effect of Taurine Supplementation on Growth Response and Body Composition of Largemouth Bass

Taurine is “conditionally essential” for some fish species, particularly when fish meal levels in their diets are reduced. Taurine supplementation has not yet been evaluated in the Largemouth Bass Micropterus salmoides. A 12-week feeding trial was conducted using a 2 × 2 factorial design with the main effects being fish meal inclusion (0% or 30%) or taurine supplementation (0% or 2%). The fish meal diets contained sardine fish meal while the nonfish meal diets used pork meal, which has a very low taurine content, as the animal source protein. The four experimental diets were formulated to contain 40% crude protein and 12% lipid. The feeding trial was conducted using juvenile Largemouth Bass (19.3 ± 3.9 g; mean ± SD) stocked at 25 fish/tank into twelve 230-L aquaria within a recirculating system. Fish were fed to apparent satiation twice daily. Dissolved oxygen, pH, and temperature were monitored daily, while alkalinity, total ammonia nitrogen, and nitrite-nitrogen were monitored three times weekly...