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The work entitled "The stunning and sacrifice of aquaculture fish with nanoencapsulated clove essential oil imbibed in ice crystals decreases animal suffering and improves the quality and shelf life of refrigerated fish" has received the XVI JACUMAR Award for 2017. This is the National Prize for Aquaculture Research, which is called annually by the Ministry of Agriculture and Fisheries, Food and the Environment.

This research work has been carried out within an R & D Project financed by the CDTI and the European Regional Development Fund (ERDF) through the Rlurirregional Operational Program for Smart Growth.

It has collaborated with the Polytechnic University of Cartagena (UPCT) and the University of Murcia (UM), along with the companies Pescamur, Cubi-Playa and Tuna Services of the Mediterranean, San Pedro del Pinatar.

Also, for the accomplishment of some tests it has counted on the collaboration of the Experimental Station of Marine Aquaculture of the IEO of Mazarrón, through Dr. Marta Arizcun.

It has been shown that the new technology developed for the stunning and slaughter of aquaculture fish (such as sea bream, sea bass, salmon and trout) significantly reduces the time required for stun (up to less than one minute) during slaughter, significantly reducing the stress suffered during the sacrifice compared to the traditional method.

Also, a very significant improvement has been achieved in the quality of fish fillets (such as sea bream) when it is stunned and slaughtered using this new technology.

In addition, it has been demonstrated that the microbiological load of golden fillets stunned with this new technology is lower than that observed in gilt fillets stunned and sacrificed with the traditional method.

Therefore, it has been able to significantly increase the shelf life of these fillets (almost doubles), from 12-14 days for normal processing and packaging, to 28 days of fillets processed and packaged under ultra-clean conditions and gilt breams and sacrificed with this new technology.

This research topic is the subject of the doctoral theses of Amanda Esperanza López Cánovas and Laura Navarro Segura, doctorandas of the UM and the UPCT, respectively.

Both are encompassed in the two corresponding Research Groups of the two Universities that have developed this work, and which are formed by researchers Antonio López Gómez, Alfredo Palop Gómez, Asunción Iguaz Gainza, María Ros Chumillas, Sonia Soto Jover, UPCT, and Alfonsa García Ayala, Victor Mulero Méndez, María del Pilar García Hernández and Isabel Cabas Sánchez, from the UM.

Source: UPCT