In the crumbling process of pelleting, whole pellets are crushed to produce starter diets used to feed different stages of shrimp in their early development.
The use of probiotic bacteria and immunostimulants are promising yet controversial methods to prevent and manage infectious shrimp diseases.
Cottonseed meal is less expensive than soybean meal, and studies have explored whether it can be incorporated in fish diets without affecting growth performance.
With a crisis in coffee prices, small-scale tilapia producers in Central America see growing the fish as a lifeline and source of livelihood.
United Arab Emirates University studied the effects of salinity and dietary protein levels on spawning performance of Nile tilapia broodstock.
In L. vannamei trials in Indonesia, results confirmed that somewhat lower protein levels in feed had no effect on production performance.
A Texas A&M study showed that temperature affects sperm quality of Pacific white shrimp, the top commercial shrimp species in the Americas.
There has been tremendous growth in tilapia culture in Honduras. In 2002, commercial production will reach 10,500 metric tons.
The FDA approved the oxytetracycline to combat streptococcosis in aquaculture, but their use is limited to channel catfish and salmonid species.
Night lighting has a growth-promoting effect on temperate fish, as they exhibit increased foraging. Lights also attract insects, an additional source of protein.