Use of Fishmeal and Fish Oil in Aquafeeds: Further Thoughts on the Fishmeal Trap
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This Circular reports the results of a re-assessment of the use of fishmeal and fish oil in aquafeeds in the context of the currently static supplies of marine resources. The results of the study indicate that nearly 2.1 million mt of fishmeal and approaching 0.7 million mt of fish oil were used in the global aquafeed industry in 1999. This represented some 32% of the global fishmeal supply and 49% of the fish oil available worlwide. The expected future expansion of global aquaculture, particula rly of carnivorous species, has the potential to utilize about 70% of total global supplies of fishmeal by the year 2015 and to exceed the total supplies of fish oil well before that date. The changing characteristics of Chinese aquaculture production will have a significant effect on future utilization of these marine resources. The potential for the partial or complete replacement of marine resources in aquafeeds is also briefly discussed, including the posible use of krill and mesopelagic fis h.