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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 Encarnaçao, 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,...
Disease Prevention in Shrimp Farming
Penaeid shrimp production is under continuous threat by bacterial and particularly viral infections which have caused disastrous collapses of the industry in all major shrimp producing countries. This article reports on recent progress in the development...
The Impact of Costal Acidification to the Aquaculture Industry
The aquaculture industry is undergoing a significant change, and one that presents a tough challenge to overcome. In Canada, fisheries along the west coast have been losing millions of pounds worth of stock and revenue due to the rising acidity of the...
Effect of Florfenicol on White Shrimp
Florfenicol (FLR) is a commonly used antibiotic for the treatment of bacterial diseases in white shrimp Litopenaeus vannamei. In this study, Xianyun Ren, Luqing Pan and Lin Wang, Ocean University of China, evaluated the tissue distribution and elimination,...
Manipulation of Farmed Atlantic Salmon Swimming Behaviour to Reduce Sea Lice
This paper describes a study in which environmental manipulation of salmon swimming depth was tested in an attempt to reduce farm infection of Atlantic salmon, Salmo salar by the salmon louse, Lepeophtheirus salmonis, write B. Frenzl et al, University...
Are Chemicals used to Maintain Mussel Farm Wood Rafts Potentially Toxic to Mussels?
At the Galician coast, mussels are cultured on vertical ropes attached to floating rafts, which are cleaned in situ with tars or waterproof paints. The present study, by F. San Juan et al, University of Vigo, Spain, analyses the composition and the toxic...
Thermal Stunning Approach Works Best With Tilapia
In a study by Rachel Cristina Prehl Alves et al, Universidade de São Paulo, the authors evaluated the stunning effectiveness of thermonarcosis, carbon dioxide narcosis and electronarcosis by assessing the electrical brain activity of tilapia. Although...
Helping Salmon Cope with Stress of Transfer to Sea
Scientists are keen to sort farmed salmon and provide them with exercise right from the early stages of their growth, in order to equip them to deal with the stress of transfer to the sea....
High Survival Rate for Post-Smolt in Closed Facilties
Problems with lice and losses can be heavily reduced by placing farmed fish in closed systems until the fish reach a weight of one kilo. This has been shown by research conducted by scientists at Uni Research in Bergen, Norway....
Effects of Bamboo Charcoal Added Feed on Reduction of Ammonia and Growth of Pangasius
A 50-day feeding trial was conducted to determine the effects of dietary bamboo charcoal (BC) on ammonia (NH3-N) excretion and growth performances of Pangasius hypophthalmus, write M Sadiqul Islam et al, Bangladesh Agricultural University. ...
A Touch of Clay Helps Prevent Deadly Fish Disease
A type of clay used in cosmetics, medicine, and papermaking may be just what aquaculture farmers need to fight columnaris—a costly and deadly bacterial disease that affects freshwater finfish worldwide, writes Sandra Avant, USDA, ARS....
 
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