In 2005 the total world production of sea bass reached 80,000 tons. The estimated amount of feed used to support this production was 150,000 tons valued at about € 100 million. Notwithstanding the increase in production, producer’s profit margins are squeezed by i) the increase in price of feed ingredients, and ii) the decline/instability of fish prices. Feed costs account for up to 60% of total p ...