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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...
Fish 'Personality' Linked to Vulnerability to Angling
Individual differences in moving activity in a novel environment are linked to individual differences in vulnerability to angling, according to an experimental study completed at the University of Eastern Finland and the Finnish Game and Fisheries Research...
Scientists Discover New Mechanism for Sex Control in Zebrafish
New research has discovered that the reduction of gonadal stem cells will yield more male zebrafish. The findings, by László Orbán et al, Temasek Life Sciences Laboratory, suggest that a stem cell counting mechanism in the zebrafish gonad is important...
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...
A Simple and Effective Recirculating Hatchery for Salmonids
Research into the use of recirculating aquaculture systems (RAS) addresses the question of how to achieve profitable production while consistently recycling water and nutrients with minimal fresh water demand and waste production. M Buric et al, University...
Mass Extinction Led to Many New Species of Bony Fish
Today, ray-finned fish, which belong to the bony fish, are by far the most biodiverse fish group in both salt- and freshwater....
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....
A Guide to Smoking for Fish Preservation
For many fishermen and fish farmers, especially in Africa, smoking fish is one of the most important and efficient ways of preserving fish when refrigeration is not available, writes Lucy Towers, TheFishSite Editor....
Valuation of Extent, Causes and Cost of European Fish Farm Escape
As part of an EU funded 7th Framework project, Prevent Escape, a programme of research was undertaken by Dave Jackson et al, The Marine Institute, Ireland, to document the extent, size and knowledge of the causes of escapes from marine fin fish farms...
Commercial Aquaponics Production and Profitability
The purpose of this research by David C. Love et al, Johns Hopkins University, US, was to document the production methods, crop and fish yields, and profitability of commercial aquaponics in the United States (US) and internationally. ...
Mosquitofish Genitalia Change Rapidly Due to Human Impacts
Half-century-old roads connecting portions of Bahamian islands while fragmenting the tidal waters below – leads to rapid and interesting changes in the fish living in those fragmented sections, according to a new study from North Carolina State University....
Assessing Aquaculture Sustainability: A Comparative Methodology
Little work dealing with the evaluation of aquaculture system sustainability has so far been undertaken on a global and comparative basis. Moreover, such work is mostly based on very unbalanced approaches in terms of the dimensions of sustainable development...
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....
Aquaculture and Organic Aquaculture in Turkey
Organic aquaculture has been implemented in Turkey since 2010. As organic aquaculture represents a new practice area and sufficient promotional efforts and governmental support is not available, satisfactory levels have not been achieved yet in this sector....
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...
 
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