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Effects Of Dietary Carbohydrate Level On Gastric Evacuation And Return Of Appetite In The Rainbow Trout, Oncorhynchus Mykiss, Ahmet Adem Teki̇nay, Simon John Davies
Effects Of Dietary Carbohydrate Level On Gastric Evacuation And Return Of Appetite In The Rainbow Trout, Oncorhynchus Mykiss, Ahmet Adem Teki̇nay, Simon John Davies
Turkish Journal of Biology
Three experimental diets containing 14.9% (low carbohydrate; LC), 31.4% (medium carbohydrate; MC) and 42.3% (high carbohydrate; HC) of extruded wheat meal were fed to rainbow trout, Oncorhynchus mykiss, to investigate the significance of carbohydrate level on the rates of gastric evacuation and return of appetite (feed intake). Gastric evacuation measurements were performed by serial slaughter and recovery of digesta whilst X-radiography was used to estimate the rates of return of appetite. Gastric evacuation data of all three treatments were best explained by square root equations. The gastric evacuation rate of the LC group was significantly different (P0.05) between the emptying …