Produção de tilápias em tanques-rede no Açude Castanhão

Abstract

The tilapia culture in the State of Ceará took great expressiveness in agribusiness in recent years and this can be attributed to technologies that allow explore the potential reservoirs. Thus, with this work order was track and describe the dynamics of the activities of a production company tilapia in cages in Castanhão Dam in Jaguaribara, Ceará. The stage was held at Mirante Pescados farm in the months of August and September 2015. In first phase of Stage was possible to follow the administrative activities in head office in Fortaleza, which provided an overview of actions developed by the team. In the second phase the activities were carried out in the unit tilapia production in cages, which is installed in the Padre Cicero weir (Castanhão Dam). At this stage it was possible to monitor the reception activities youth, settlement tanks nets, fish ratings by size, fish removal, feed management and production control. According observed, the Mirante Pescados using fish cages with 12162 m3 of total volume, the production cycle lasts between 220 and 240 days and may be conducted in biphasic or triphasic system. At the threephase system the phases are: Nursery fish from 1 to 8 g; Recreate fish from 8 to 150 g; and Termination Fish 150 to ≥1.000g. In the biphasic system phases are recreated fish 25 to 150 g; and termination fish 150 to ≥1.000g. The survival rate is 97% and feed conversion ratio of 1.6: 1. The production is intended to Fortaleza market Metropolitan area and other cities Ceará. Fish are marketed live and eviscerated. The adoption of large volumes cages is one of the new management strategies of the farm, which seeks tecnificar and optimize increasingly production system. The stage proved important in providing opportunities to acquire new knowledge, contributing to the further development technical and personnel. The experience of knowing in full how a company specializing in tilapia production also contributed to the perception all present opportunities in the market, with regard to professional Animal Science.