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Effects of Carp on Nutrient and Food Web Dynamics in Aquaculture ponds
The dynamics of common carp influences on the environment and ecology in polyculture ponds are unclear, so this study by Mohammad Rahman looked at the effects of various stocking densities of common carp on the dynamics of nutrients, phytoplankton, zooplankton...
Effect of Stocking Large Channel Catfish in a Biofloc Technology Production System
The stocking rate of channel catfish in aquaculture can affect production, but what effect does it have on the development of off-flavours in fish flesh? This study by Bartholomew Green and Kevin Schrader from the US Department of Agriculture aimed to...
World Governments Must Take Action to Protect Ocean Economy
Governments around the world must take action to safeguard the contributions of the oceans to the global economy, which are valued at $24 trillion, according to this report from the WWF: 'Reviving the Ocean Economy - The Case for Action - 2015'....
Trends in Salmonid Recirculating Aquaculture Systems
The benefits realised by recirculating aquaculture systems – including enhanced fish growth, product quality and survival, as well as reduced treatment costs – have made the recirculating aquaculture systems (RAS) approach an important production...
Best Practices in Tuna Longline Fisheries
Bycatch from longline tuna fisheries is a global environmental problem. This report from the Sustainable Fisheries Partnership shares some examples of best practice to avoid harming non-target organisms....
Feed Additives can Reduce the Impact of EMS/AHPND
Feed additives may help to reduce the impact of early mortality syndrome on shrimp stocks, according to a report from Minh Phu AquaMekong Shrimp Vet Laboratory in Vietnam and Nutriad International in Belgium....
Hind-Casting the Quantity and Composition of Discards by Mixed Demersal Fisheries in the North Sea
Current efforts to decrease fish discards from the catch use discard estimates based on observers placed on vessels, but length composition data from scientific research trawls can help to improve the estimates at a regional level, allowing improved legislation,...
Bycatch in Longline Tuna Fisheries: Status and Mitigation Measures
Dr Shelley Clarke, Technical Coordinator-Sharks and Bycatch of the ABNJ Tuna Project under the FAO-led Common Oceans Program, co-authored a global review of status and mitigation measures for bycatch in longline fisheries for tuna and tuna-like species....
Factors Influencing Ostreid Herpesvirus Mortality of Pacific Oysters
Mortalities of oyster Crassostrea gigas seed associated with ostreid herpesvirus have been observed in many oyster-producing countries since 2008. This report, by Bruno Petton and colleagues from the French Research Institute for Exploitation of the Sea,...
Taurine: A Critical Nutrient for Future Fish Feeds
The amino acid taurine is a crucial ingredient in the diet of many commercially important fish species, but the removal of fishmeal from diets may cause a deficiency, write Guillaume Salze and Allen Davis from Auburn University....
Organic Acid Supplements in Tiger Shrimp Diets
The use of organic acid supplements in the diet of commercially farmed shrimp led to greater nutrient utilisation and some protection from pathogenic bacteria, write Wing-Keong Ng and colleagues from Universiti Sains Malaysia....
Harvest and Post-Harvest Handling Practices Influence Fish Welfare and Product Quality
The positive impact on fish quality of humane harvesting practices means that increased fish welfare provides strong benefits to the consumer, write Barbara Rasco and colleagues from Washington State University and Blue North Inc. fisheries company....
Garlic Supplements Can Aid Growth in Nile Tilapia
Including small amounts of garlic in the diet of Nile tilapia led to an increase in growth rates, suggests a study from A.I. Mehrim and colleagues from Mansoura University in Egypt....
Aquaculture for Food Security, Poverty Alleviation and Nutrition (AFSPAN) Report
The objectives of the Aquaculture for Food Security, Poverty Alleviation and Nutrition (AFSPAN) project were to strengthen the knowledge base and develop new and more rigorous methodologies of quantifying the contribution of aquaculture to combat hunger...
Reduced Photoperiod Associated with Increased Early Male Maturation in Atlantic Salmon
Salmon raised in a reduced photoperiod environment of 18 hours light are more likely to show undesirable early maturation than those raised under 24 hour light, write Christopher Good and colleagues from the Conservation Fund's Freshwater Institute and...
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