Manuel Muñoz, from the Biological Molecular and Biochemical Ingineering of UPO. (Photo: Stock File)
Cheaper and more ecological aquaculture system created
Saturday, November 03, 2012, 01:20 (GMT + 9)
A team of scientists from the University Pablo de Olavide (UPO) of Sevilla developed a larval fish feeding system that may reduce costs and make the aquaculture industry more sustainable.
Researchers are led by Manuel Muñoz of the Department of Molecular Biology and Biochemical Engineering of UPO.
"Even though feed can be used during most of the time of the fish farming activity, there is an initial period in which, at birth, larvae require live food because fish need the stimulus of the movement," Muñoz pointed out.
Currently, farmers are turning to brine shrimp, a crustacean that lives in salty media and that provides great benefits but it scarcely supplies the global need.
The brine shrimp is used in the early phase of fish breeding and its use generates high costs.
The University Pablo de Olavide patented a method using a micro-organism – called M3 -- as food during the nematode farming.
"With the knowledge we have of this organism and the plasticity this worm presents, once it is introduced in aquaculture we will open the door to the possibility of meeting the needs required by each species," the scientist added.
In the aquaculture industry "in the end, to raise fish we need to catch other fish in the sea, with all the implications it has," he said.
Therefore, experts suggest the use of M3 bacteria, which can be grown in great numbers and in a cost effective manner, while contributing to sustainability, the agency Europa Press reported.
By Analia Murias