Dangers of viral pathogens in translocated shrimp, Part 2
International Council for the Exploration of the Seas (ICES) guidelines should be modified and closely followed to guard against the possibility of introducing new viral pathogens.
High water temperature affects WSSV management
In a study, results showed that raising water temperature to 33 degrees-C after inoculation was sufficient to prevent shrimp mortality from WSSV.
Phytase supplementation in aquaculture diets improves fish, shrimp growth performance
Despite research challenges, ongoing work on phytase supplementation in shrimp is striving to enhance shrimp feed performance in similar ways.
Parasite management important to future cod aquaculture in Scotland
Parasite management is crucial for cod farming in Scotland. The main threat comes from parasites with direct or single-host life cycles.
In vivo titration of white spot syndrome virus
Using intramuscular injection of white spot syndrome virus, study determines number of viral particles associated with the infectious dose.
Dangers of viral pathogens in translocated shrimp, Part 1
Translocated shrimp have the potential to carry pathogens to new areas. Shrimp have a tendency to carry persistent infections without showing signs of disease.
Live diets for pacu larvae tested in Peru
Study in Peru that evaluated three food sources for larval pacu shows that water fleas appear to be a cost-effective substitute for artemia.
Prototype stunner tested on rainbow trout
Research at the Conservation Fund’s Freshwater Institute is evaluating a prototype percussive stunning system for slaughtering food-size rainbow trout.
Feed quilting testing: Measuring in vivo, in vitro digestibility
In vitro pH-stat determination of digestibility is a promising technique for quick assessment of nutritional value and potential negative effects.
Studies find aquaculture of marine invertebrates for anticancer compounds feasible
Aquaculture may deliver commerical quantities of the tiny sea creatures, Bugula neritina, that provide important anticancer compounds.
Sole larvae perform best on algae-and-rotifer diet
In a study, Senegal sole larvae had better survival when fed an initial diet of enriched rotifers with algae, rather than artemia alone.
Preventing melanosis in shrimp
The black spots of melanosis quickly arise in harvested shrimp from enzymatic reactions in shrimp tissue or external stressors.
Controlled cooking methods offer higher shrimp yields with product safety
Advances in equipment design keep pace to provide uniform, controlled cooking temperatures that allow more precise bacteria lethality with higher yields.
Polyculture studies with white, black tiger shrimp show promise in Indonesia
The Central Pertiwi Bahari farms in Indonesia found polyculture of white shrimp and black tiger shrimp at a density of 70 PLs per square meter promising.
Tilapia harvest microbial flocs in active suspension research pond
In a study, microbial flocs contributed about 50 percent of feed material as dry solids and about 50 percent of the protein requirement of tilapia.
Florida study achieves tank spawning of southern flounder
Southern flounder offer potential in aquaculture to answer declining fishery landings and increased demand, but insufficient fingerlings are available.