PERProtein efficiency ratio

A 90 days growth trial was conducted to evaluate optimum protein requirement for Indian spiny loach (Lepidocephalus thermalis). Five different protein feeds viz., 20%, 25%, 30%, 35%, and 40% were prepared as experimental diets. This feeding trial was conducted in 40 L plastic troughs in triplicates using loaches with an average weight of 1.28 g - 1.55 g. During the experimental period, water quality parameters were measured and recorded daily. The mean value of water temperature, pH, dissolved oxygen, ammoniaN, nitrite-N, nitrate-N, hardness, alkalinity in the experimental system were 23.

8p trinhthamhodang3 14-02-2020 14 2   Download