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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....
Economic Costs of Protistan and Metazoan Parasites to Global Mariculture
In this study, Andy Shinn et al, Fish Vet Group, Thailand, examine the world’s major marine and brackish water aquaculture production industries and provide estimates of the potential economic costs attributable to a range of key parasite pathogens...
Bath Vaccination of Rainbow Trout Against Flavobacterium Psychrophilum
Effective bath immunization systems may be very helpful to the salmon industry, particularly during the freshwater growth stages in which vaccination through injection is not possible, write Dr Juan Battaglia Aljaro, Velásquez S. and Ilardi P., Veterquímica...
Effects of Nitrite Exposure on Rabbitfish
Nitrite is toxic to fishes and is often encountered in recirculation aquaculture systems. Accordingly, the nitrite tolerance of potential aquaculture candidates needs to be assessed before the fish can be farmed in land-based recirculation systems. In...
Biosecurity in Aquaculture Part 2: National Considerations
This is the second of a series of three articles that focuses on biosecurity in aquaculture. The aim is to provide baseline information for the aquaculture community. In the first article, we focused on biosecurity at the international level. In this...
Effects of Feeding Fish Dried-Treated Sewage Sludge Part 1: Growth Performance, Feed Utilisation and Chemical Composition
A.M. Abdelhamid et al, Egypt, look at the possible effects of feeding Nile tilapia, silver carp, common carp and African catfish with dried treated sewage. Part one focuses on growth performance, feed utilisation and chemical composition....
New Aspect in Cartilage Growth “The Invasive Interstitial Type”
Growth of hyaline cartilage is achieved either by chondrocyte division “interstitial type of growth” or by perichondrial cell differentiation of mesenchymal cells to differentiated chondrocytes which deposit successive circumferential layers of cartilage...
Examining Gelatinized and Non-gelatinized Corn Starch Based Diets in Rohu Carp
Labeo rohita may be able to utilize the non-gelatinized corn starch based diet more efficiently and being economical it spares the protein based cost effective feed, according to research by Mahwish Qamer et al, University Faisalabad, Pakistan....
Probiotics for Health Management in Aquaculture
Aquatic animals have a much closer relationship to their external environment than terrestrial animals and are thus more susceptible to pathogens in their environment....
Use Of Ulva Lactuca Studied In White Shrimp Diets
Research conducted by Susan Laramore et al, Harbor Branch Oceanographic Institute at Florida Atlantic University, studied whether fresh U. lactuca harvested weekly from a land-based integrated multi-trophic aquaculture system could be utilized as a...
AQUAPLAN 2014-2019 - Australia's National Strategic Plan for Aquatic Animal Health
AQUAPLAN 2014–2019 is Australia’s third national strategic plan for aquatic animal health. It outlines the priorities to strengthen Australia’s arrangements for managing aquatic animal health, and to support sustainability, productivity, and market...
Persistence of Tetracapsuloides Bryosalmonae (Myxozoa) in Chronically Infected Brown Trout
Proliferative kidney disease is a widespread disease of farmed and wild salmonid populations in Europe and North America, caused by the myxozoan parasite Tetracapsuloides bryosalmonae. Ahmed Abd-Elfattah et al, University of Veterinary Medicine, Austria,...
Chronic Exposure to High Nitrate Concentration Reduces Growth and Affects Health of Juvenile Nile Tilapia in RAS
Due to nitrate accumulation during nitrification and low water-exchange rates in recirculating aquaculture systems (RAS), nitrate levels can build up. Hendrik Monsees has therefore investigated the effect that exposose to high nitrate concentration has...
European Seabass Perform Better in Cages With a Big Volume
Although the effects of fish density on the performance of fish have been widely studied, there has been little work done into the effect of cage size on seabass performance, said Athanasios Samaras speaking at Aquaculture Europe 2014, writes Lucy Towers,...
 
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