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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...
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...
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....
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,...
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....
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....
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....
Triploid, Diploid Atlantic Salmon Show Similar Susceptibility to Infection with Sealice
Triploid Atlantic salmon are not more susceptible to sea louse infection than diploid fish, according to a study by Benedikt Frenzl et al, University of Sterling, UK....
An Injectable Acoustic Transmitter for Juvenile Salmon
Salmon recovery and the potential detrimental effects of dams on fish have been attracting national attention due to the environmental and economic implications. In recent years acoustic telemetry has been the primary method for studying salmon passage,...
PondDtox: Effective, Natural Control of Toxins on Your Fish Farm
Fish Vet Group's PondDtox® contains unique bacteria (Paracoccus pantotrophus), which are highly effective in anaerobic conversion of toxic Hydrogen Sulphide into non-toxic sulfate in benthic environments. ...
Protein Sparing in Tilapia Through Supplementation of a Digestive/Metabolic Enhancer
Tilapia has drawn much attention lately and been recognized by FAO as the most potent culture fish species in supplying human protein source of the Century....
How Aflatoxins Threaten Pangasius Catfish Production
The importance of aquaculture in Asia goes beyond its relatively high contribution to the worldwide aquaculture output. Fish products feature prominently in local diets of Southeast Asia. Around 31 million people are employed in aquaculture in Asia, writes...
A Quick Guide to Farming Halibut Fish
Atlantic halibut (Hippoglossus hippoglossus) is a marine, cold-water flat fish that is farmed in Canada, Iceland, the UK and Norway. The development of halibut aquaculture began in the 1980's but it is only in recent years that many of the challenges...
Can Natural Strategies Effectively Combat EMS?
Each year the shrimp industry suffers losses of more than US$1 billion due to early mortality syndrome or acute hepatopancreatic necrosis (EMS/AHPND), an emerging disease caused by the bacterium Vibrio parahaemolyticus. Pedro Encarna├žao, PhD and Jutta...
Get More Out of Your Tilapia Feed
Feed represents the largest production cost in tilapia (Oreochromis niloticus). As a result of ever increasing raw material prices, nutritionists are under continuous pressure to reduce formulation cost and search for cheaper, alternative ingredients,...
 
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