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

Zhi Yong Ju

Health & Welfare

Diets affect abalone meat quality, shell color

A preliminary study investigated the effects of diet on the meat quality and shell color of Pacific abalone. A test diet and a commercial abalone feed resulted in lower meat protein content compared to that achieved with a diet of 


Feed study examines effects of fishmeal storage

A study investigated the effects of storage temperature and duration on the quality of finished fishmeal fed to juvenile shrimp. Diets with 15 percent fishmeal were stored at 4 or 30 degrees-C for six months or 12 months. 

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Health & Welfare

Potassium diformate does not affect shrimp growth, survival

An eight-week growth trial evaluated the effects of potassium diformate on the growth performance and digestibility of Pacific white shrimp. Weight gain was not significantly affected by different levels of PDF in diets, and survival was high for all treatments.