| Sustainable (and Locally Distributed) Farmed Salmon |
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| Written by Kiki Hubbard | |
| Monday, 29 September 2008 | |
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The terms "land-based fish farms" and "sustainably grown fish" aren't often heard in the same sentence. But that's exactly how Bruce Swift, a Candadian coho salmon producer, describes his operation. We've heard that salmon populations are decreasing at a terrifying rate. British Columbia's pink salmon stocks in the Broughton Archipelago have reportedly "collapsed." (In a key indicator stream, the number of spawners dropped by more than 240,000, from 264,000 in 2007 to 19,000 in 2008.) Swift's land-based salmon operation avoids the problems created by open-pen farms that contribute to declining wild salmon populations, like the spread of sea lice. In fact, his business model seems to focus on human and environmental health and local economies. Swift doesn't use antibiotics or vaccines, he's committed to small-scale production, and he sells directly to local restaurants. The Globe and Mail reports: More than simply salmon reared in gigantic fish bowls, Mr. Swift's farm is part of a Canadian research concept known as integrated multi-trophic aquaculture being tested on both coasts by the universities of New Brunswick and Victoria. The idea is to grow one species in conjunction with others in a multi-level system that balances out biological and chemical processes. It involves one fed species - in this case, the salmon eat pellets made from wild marine material developed by animal nutritionist Dr. MaryLou Swift (Mr. Swift's wife). Then other plants and animals that extract their nutrients from either the solid or water waste are introduced. At Swift Aquaculture, waste solids are filtered and become fertilizer for field crops such as garlic and beans, while waste water is used to grow wasabi, watercress and algae. The algae, in turn, become a feed supplement for the crayfish bred in Mr. Swift's freshwater pond. No additional nutrients are brought onto the farm. It's a meal in one backyard. Source: Globe and Mail
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It's true what our moms said...we are what we eat. In fact, it's truer than they thought. What I eat doesn't just affect me anymore, it affects all of us.
Unfortunately, the story of food can sometimes be complicated. But envirovores help each other out...which is why this blog will be bringing you news, tips, and information about food and the environment every step of the way.
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