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The future of fish farming?

 
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PostPosted: Sat Jan 11, 2014 5:27 pm    Post subject: The future of fish farming? Reply with quote

The debate around salmon farming rightly criticises the damage the current model causes to the environment in general and wild salmon and sea trout in particular. As an alternative it is often suggested that the farms should be brought onshore and the fish reared in sealed units which whould make it impossible for them to escape and interact with the local fish population. It sounds like a solution but I wondered if it was financially feasible until I read the links below. Perhaps we are not quite there yet, but it certainly looks like they are getting close ....

http://www.angleseyaquaculture.com/fish-farm-technology

http://www.fish2fork.com/en-GB/news-index/2013/Fish-farm-overcomes-Greek-tragedy-to-produce-sustainable-sea-bass.aspx

It makes fascinating, reading especially how they micro manage the fishes environment to remove the need for antibiotics etc and to achieve optimum growth rates, something impossible to achieve using sea cages anchored in lochs.

The European Bass is notoriously slow growing so if it would work for them, then surely it would work for salmon too?

Alan Wink
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tenet
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PostPosted: Sun Jan 12, 2014 4:55 pm    Post subject: Reply with quote

Alan - Salmon farming is indeed a dirty business with all sorts of methods used by the fish farmers to suppress information from the general public.

Read this article http://forargyll.com/2013/10/when-is-the-dirty-salmon-farming-industry-going-to-be-properly-regulated/

The good news is that apparently a closed containment unit has been approved for Argyll-

"Scotlands first closed containment production unit,salmon farm, has been approved.
Andrew Robertso MD and CEO of Fishfrom has had his application for the 3000 ton closed containment salmon farm at Tayinloan Argyll unanimously approved.
Good news and forward thinking Andrew Robertson who stated it will eradicate the need for the many chemicals used in the control of sea lice as they will be non existent.
These salmon will need less chemicals to combat disease.
This can only be good news and hopefully other salmon rearing company's will take notice of this.
It can only be good news for the angler also,maybe others will decide it is the way forward"


http://www.fishfrom.com/

Cheers

Doug
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Bazza
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PostPosted: Wed Feb 19, 2014 8:02 pm    Post subject: An add on ill affect of salmon farming Reply with quote

Re the post above expressing concerns about salmon farming :-

There are other serious flow on affects in providing the huge tonnages of food pellets for feeding them.

The sea is being raped of oily species of fish such as mackerel / anchovies etc. which is what the pellets are
made from however they are also the staple food source for black marlin along with other species, consequently
where the mackerel etc. have been decimated to provide feed pellets these species no longer exist which in turn
affects other marine food chains.

The tonnages of fish that need to be harvested for feed, is out of all proportion to the resulting weight gain
for farmed salmon, therefore it is a lose/lose situation for everyone & the BIG question is what species will
they begin harvesting once the current feed source is decimated making it uneconomic to target ?????

http://www.fishing.net.nz/asp_forums/lafayette-all-49000-tonne-of-it-in-nz-waters_topic98914&SID=6119555787d898d2d85768e47b1a93646296296.html
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