Is farmed fish becoming more expensive?

Is the cost of feed the only factor driving up the price of farmed fish? We all know that feed is, or should be, the single biggest cost impactor on the price of farmed fish. So when I came across a joint OECD-FAO projection covering the period 2011-2020, which predicted that increases in the price of farmed fish (50%) would be more than double the increases in the prices for the production of the wild fishery (23%), I gave it a thorough going over. The report gave 6 reasons why it felt this di