What are the tuna fed (incl. species composition; food supplements)?
According to the survey reports, BFT are fed mainly with a mixed diet composed principally of a variety of small pelagic species including sardine, round sardinella, herring, mackerel and horse mackerel. In some of the farming countries (Cyprus, Malta, Spain and Turkey) it is reported that squids are also used in the diet. The type and scientific name of the squid species used is not provided in any of the survey reports. Furthermore, Turkey reported that a small percentage (5 percent) of the diet composition on one farm consists of squid stuffed with shrimp husks. Only Spain reported that some local farms have attempted to supplement the diet with a vitamin-mineral premix, whilst some farms have experimented with the use of moist pellets as a BFT feed produced from raw fish, fish meal and fish oil. No information is provided in the reports with regards to the species composition in the diet of BFT with one exception from a farm in Turkey. On this farm the diet composition generally us
