This study shows that soybean oil can totally replace fish oil in California yellowtail aquafeeds without affecting production performance and reducing the omega-3 fatty acid profile of fish tissues, as long as acceptable levels of ARA and DHA are provided.
Microbial populations have diverse roles – many still not fully understood – on aquaculture organisms, from the gut to the gills, and a better understanding of this hidden world could unlock a potential that may change the practice of aquaculture altogether.
This study evaluated if reduced water exchange in an intensive, outdoor culture system could spare dietary Met (Met+Cys) required for maximum growth performance of juvenile Pacific white shrimp.
Study illustrates the range of salinity options for shrimp production in commercial-scale biofloc systems and found no significant differences in any shrimp production metric.
A study determined the zootechnical performance of Pacific white shrimp under different light regimes. Shrimp exposed to light had better zootechnical parameters than those with reduced or no exposure.
This study showed that a longer inoculation of probiotics will improve shrimp postlarvae growth and survival, and that a new technique developed for more accurately estimating postlarvae weight can significantly reduce the food that must be supplied.
Effective implementation of biosecurity protocols in shrimp farming requires awareness, discipline and a commitment by farm owners to implement them. The authors take a close look at intensive nurseries and how to exclude pathogens, predators and competitors.
Results of a feeding study supplementing probiotics in the diet showed that when the Bacillus species were complemented in an appropriate concentration into feeds, the growth and feed efficiency of whiteleg shrimp could be improved.
Several shrimp-disease papers were presented at Aquaculture America 2018, including one on the detection of AHPND at a site in the United States.
The application of probiotics, prebiotics and lipopolysaccharides has shown positive results with farmed shrimp, and is a very promising field, but more research is needed to clarify and foresee the molecular impact of these biological entities.
Hatchery technology for most commercially important species of cultured marine fishes is essentially unchanged for the past several decades.
Results of a study to evaluate a commercial prebiotic on growth of European sea bass juveniles indicates this product can improve fish growth performance and allowing for the fish to reach the marketable size earlier, boosting their immune status, and reducing potential fish losses due to pathogens.
Harry Hamlin-Wright is a fish vet. It’s a career choice that gets strange looks but offers him varied and interesting work. See the world of aquatic animal health and welfare through a fresh set of eyes in a new Advocate series on aquaculture jobs.
Alltech and Benchmark have been working on the next generation of sea lice solutions and believe they have new products that can help salmon farmers win.
Study demonstrates that isolated phages tested are effective in controlling AHPND infection in farmed penaeid shrimp and inhibiting bacterial growth.
Juvenile carnivorous African catfish performed well in biofloc-based systems, which could help produce better quality and more disease-resistant seed of this important aquaculture species and support the expansion of African catfish farming industry.