Outside optimal salinity ranges, aquaculture species have higher feed-conversion ratios, grow at slower rates, become stressed and susceptible to disease, or even die.
Pesticides, herbicides and fungicides may control pests and noxious vegetation, but environmental and health concerns call for responsible chemical use.
The addition of probiotic bacteria to marine larvae can reduce pathogenic bacteria and subsequent infection by establishing a protective flora on the mucosal surfaces of the larvae.
The Republic of Korea is by far the top global producer of olive flounder raised mainly in flow-through systems at land-based facilities on the coast.
In a study, three probiotics applied to shrimp pond water throughout a culture period were not effective in preventing Vibrio harveyi outbreaks.
Industrial aquaculture parks that employ hyperintensive culture technology are a promising alternative for further land-based seafood production. They offer wide siting options, efficient land and water resource use, and high-density, high-yield production output. In Project Raceways, a five-nation consortium is
Farmed white halibut initially undergo an 18-month hatchery and nursery stage in land-based tanks. The fish have gained status as a high-quality seafood delicacy.
Stress hormone axes could be used as markers for selective breeding. Researchers see a negative correlation between weight gain and cortisol response to acute stress.
Although causes of pre-harvest off-flavors in catfish differ due to climate, water quality and pond hydrology, blue-green algae is a common culprit.
To improve the sustainability of their breeding programs, shrimp producers in New Caledonia established a program with certified SPF blue shrimp.