Prakash Chandra Behera, Business Head-Aqua, PVS Group, Vijayawada, India looks at how to manage Vannamei shrimp ponds with high stocking density and no water exchange in relation to growth, survival and water quality.
In Nile tilapia (Oreochromis niloticus) farming as in all fed aquacultured species feed accounts for 60 percent of the total production costs. Increasing prices of raw materials has led nutritionists to search for alternative ingredients to reduce or at least …
