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

fertilizers

Responsibility

Properties of common commercial fertilizers in aquaculture

Commercial nitrogen and phosphorus fertilizers are widely used in aquaculture production systems to stimulate phytoplankton growth and the food web that provides natural food organisms beneficial to stocked fish fry and shrimp postlarvae. 

Health & Welfare

Ammonia toxicity degrades animal health, growth

Ammonia nitrogen occurs in aquaculture systems as a waste product of protein metabolism by aquatic animals and degradation of organic matter, or in nitrogen fertilizers. Exposure can reduce growth and increase susceptibility to diseases in aquatic species.