Half Of Global Fish Consumed Now Farm Raised
Aquaculture, once a fledgling industry, now accounts for 50 percent of the fish consumed globally, according to a new report by an international team of researchers.
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#1 Sep 8, 2009
Some of my best friends are hunter-gatherers.
Heroica Nogales, Mexico
#2 Oct 8, 2009
When Science Daily, The Washington Post, and leading sources of information all over the US, broadcast, without question, the story that almost half the seafood consumed in the world comes from aquaculture, it’s hard not to feel like the fix is in.
The United Nations collects the data that gave rise to this grand announcement: yet, nowhere in the articles extolling aquaculture’s virtues and minimizing its costs, is there any mention of China’s dubious statistics, which account for over 60 percent of the 51 million tons of global aquaculture production, or that 8 million tons of this amount are mollusk shells (hard to eat no matter how long you boil them).
In the world outside China, aquaculture provides less than 24 percent of the fish consumed, an increase of only 3 percent over the last decade.
Include indirect consumption of the wild caught fish used to feed the dominant aquaculture species and the percentage of aquaculture’s contribution to the world’s seafood supply decreases as aquaculture expands. In the case of salmon—and other carnivorous species in the pipeline for US offshore fish farms—it requires an average of 5 pounds of wild caught fish to grow one pound of farmed fish. So as this form of aquaculture increases we indirectly consume 5 times as much wild fish as farmed. Aquaculture’s percentage of world seafood consumption actually contracts as these industries expand.
The math is simple, a question journalists might want to ask is why aren. Fewer still are accurately tallying the environmental and social costs of producing high value species such as shrimp and carnivorous fish, but that’s a much lengthier letter.
Author of “Swimming in Circles: Aquaculture and the End of Wild Oceans”
#3 Oct 14, 2009
"It requires an average of 5 pounds of wild caught fish to grow one pound of farmed fish". No it doesn't, actually.
This statement is repeated over and over but there is no basis to it. Perhaps journalists should be more selective about who they copy.
In fact it takes less than two pounds of wild fish to produce one pound of salmon and certain salmon feed producers have got that down to fsr less - and are improving on it all the time. Globally, fed aquaculture uses just half a ton of wild fish for each ton of farmed seafood produced. In short, fed aquaculture produces twice as much fish as it uses.
According to Dr. Andrew Jackson, technical dirctor of IFFO there is now also independent confirmation that 25%, and rising, of the raw material used to produce fishmeal and fish oil is recycled trimmings from fish processing – which would otherwise have to be disposed of at high environmental or financial cost.
Yes, most aquaculture takes place in Asia. Maybe that is why the US trade deficit in seafood is second only to energy at $6.5 billion.
We cannot keep eating wild caught seafood at the rate we do - there is a reason we farm pigs, poultry and beef.
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