INFOPESCA Internacional 30

Seafood supply in Cuba
By Roland Wiefels and Doris Hernández Torres
What happens when a government assures at least a minimal per-caput supply of fish to its people? How does a trading system organize, when there are two different currency systems? While the domestic markets for fish is increasing in our region, the study of a very particular market situation can be interesting.

DNA: an efficient tool for seafood traceability
By Graciela García
Once more genetics is used for quality purposes. The author describes a methodology that allow final consumers to be sure of the species they are eating. It also helps to detect either the species or sub-species from a fishing resource suspected of being overfished and which would require a better management. In addition, it can be used in aquaculture when selecting wild-origin broodstocks.

Controlling Listeria through the application of ionizing energy
By Daniela Kaempffer and Cristóbal Salinas
Listeria monocytogenes is an old and well-known pathogenic organism, which has come to light recently due to its involvement with food borne diseases, specially those related to seafood consumption. A research carried out by Compañía Chilena de Esterilización (CCE), settled the necessary doses to eliminate this bacteria through irradiation means, after having inoculated the bacteria in two different fish products: smoked salmon and fresh mussels.

Controlling the cold chain for seafood hygiene and quality
by Bernard Commerce
The increasing demand for fresh products due to new consumption patterns and shorter cooking times has generated new risks. The risks can be restricted if the cold chain is appropriately controlled. The author reviews the present situation and future directions for development in cold chain control for perishable foodstuffs.

“Paiche” farming in floating cages. Economic analysis
By Fred W. Chu-Koo, Miguel Valdivieso García and others
An economic research to to evaluate feasibility was done on the culture of paiche or pirarucú (Arapaima gigas) in floating cages placed in Imiria lake, Ucayali. Economic indicators found, show that this activity is profitable. However, problems must be solved regarding the supply of fingerlings, as this is the main bottleneck for the development of paiche culture in the Peruvian Amazonia

Shrimp farm effluents and their treatment
by Chandran R, S Sambasivam and S Ajmal Khan
For sustained growth in aquaculture, it is important to strike a balance between aquaculture development and environment. The article reviews the constituents of effluents discharged from shrimp farms and emphasises on treating the used water before discharging it. Various methods of treatment are explored by the authors.