News features and technical articles about the evolution of aquaculture, one of the world’s fastest growing industries.

Rethinking feeding for cultured shrimp

Underfeeding can slow growth rates and overfeeding adversely affects water quality so it is critical to adjust feeding rates to meet actual demands of shrimp. 


Measuring water flow

Water flow within channels can be measured using the float method or calculated using rating curves that project water velocity based on a series of finite measurements. 


Tips for growing bigger shrimp

Research at the Oceanic Institute found that white shrimp grown in a raceway at high density could reach 34-grams in 155 days with minimal water use. 


Lipid nutrition of farmed tilapia

The optimum dietary lipid level for tilapia ranges from 10 to 15 percent. Various vegetable oil products show prom­ise as replacements for fish oil in feeds. 


Tilapia farming in Honduras

Tilapia culture is an important component of local food production in Honduras. Rising exports have raised in-country demand and production.