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mihto



Joined: 03 Feb 2008
Posts: 3273
Location: West coast of Norway
PostPosted: Fri Nov 13, 09 2:33 pm    Post subject: Salmon Farming Reply with quote
    

We have discussed this topic earlier, but a new campaign sums up the problems nicely.


https://www.puresalmon.org/fact_sheets.html



I'll be interested to hear what other people think.

marigold



Joined: 02 Sep 2005
Posts: 12458
Location: West Sussex
PostPosted: Fri Nov 13, 09 3:59 pm    Post subject: Reply with quote
    

I think the practise of salmon farming is WRONG, full stop. I haven't eaten any salmon or trout at all since it penetrated my thick skull what nasty unnatural lives farmed fish live (20+ years I guess). The environmental consequences of human greed for cheap salmon aren't pretty either. I try (though probably don't always succeed) to only eat wild-caught fish.

Iggle Piggle



Joined: 24 Jan 2009
Posts: 55
Location: Edinburgh
PostPosted: Fri Nov 13, 09 9:23 pm    Post subject: Reply with quote
    

https://www.youtube.com/watch?v=yTYhQAN9BW0

Salmon en croute anyone

I haven't touched the stuff for years and as for the damage it causes to wild fish Stocks it's despicable.

pricey



Joined: 28 Feb 2005
Posts: 6444

PostPosted: Fri Nov 13, 09 9:54 pm    Post subject: Reply with quote
    

What a facinating film thanks for sharing that.

Hairyloon



Joined: 20 Nov 2008
Posts: 15425
Location: Today I are mostly being in Yorkshire.
PostPosted: Fri Nov 13, 09 10:12 pm    Post subject: Reply with quote
    

marigold wrote:
I try (though probably don't always succeed) to only eat wild-caught fish.

Salmon is not the way, but without fish farming, we have not a hope in hell of feeding the worlds population.

mihto



Joined: 03 Feb 2008
Posts: 3273
Location: West coast of Norway
PostPosted: Fri Nov 13, 09 10:16 pm    Post subject: Reply with quote
    

Hairyloon wrote:
marigold wrote:
I try (though probably don't always succeed) to only eat wild-caught fish.

Salmon is not the way, but without fish farming, we have not a hope in hell of feeding the worlds population.


This is the kind of discussion I was hoping for. There must be a way to farm fish as well as taking care of the environment. The problems start when the profit in the fish producing companies is so enormous that the shareholders will not seriously discuss expensive environment changes.

Hairyloon



Joined: 20 Nov 2008
Posts: 15425
Location: Today I are mostly being in Yorkshire.
PostPosted: Fri Nov 13, 09 10:57 pm    Post subject: Reply with quote
    

mihto wrote:
There must be a way to farm fish as well as taking care of the environment.

Hugh FW showed a near perfect system combining a trout farm with a watercress farm.
Water flowed through the watercress, picking up lots of wee critters that live among the roots.
The water flows into the trout tanks.
The trout would eat the critters and fertilise the water.
The water is pumped back to the top where it flows through the watercress picking up wee critters...

It is also easy and fairly sound to farm herbivorous fish, just they are not popular at market.

vegplot



Joined: 19 Apr 2007
Posts: 21301
Location: Bethesda, Gwynedd
PostPosted: Fri Nov 13, 09 11:00 pm    Post subject: Reply with quote
    

Hairyloon wrote:
marigold wrote:
I try (though probably don't always succeed) to only eat wild-caught fish.

Salmon is not the way, but without fish farming, we have not a hope in hell of feeding the worlds population.


I wish it were so. Someone I know works in this area and his take is that it's not sustainable as we know capt'n.

Hairyloon



Joined: 20 Nov 2008
Posts: 15425
Location: Today I are mostly being in Yorkshire.
PostPosted: Fri Nov 13, 09 11:11 pm    Post subject: Reply with quote
    

vegplot wrote:
I wish it were so. Someone I know works in this area and his take is that it's not sustainable as we know capt'n.

Salmon, trout and other piscivorous fish, he is probably right. Certainly doing it the modern way.
Tilapia, carp and other herbivores have much potential.

The main problem with the piscivores is feeding them: they want a nice meaty source of protein... have I ever discussed rat farms with you lot?

mihto



Joined: 03 Feb 2008
Posts: 3273
Location: West coast of Norway
PostPosted: Fri Nov 13, 09 11:22 pm    Post subject: Reply with quote
    

vegplot wrote:
Someone I know works in this area and his take is that it's not sustainable as we know capt'n.


I work in this area. I know that is not sustainable. Why do you think I bother putting it up for discussion?

Bebo



Joined: 21 May 2007
Posts: 12590
Location: East Sussex
PostPosted: Fri Nov 13, 09 11:24 pm    Post subject: Reply with quote
    

Isn't most trout 'farmed'? It doesn't have to be intensive to stock reservoirs with trout that can be caught and eaten.

sean
Downsizer Moderator


Joined: 28 Oct 2004
Posts: 42207
Location: North Devon
PostPosted: Fri Nov 13, 09 11:30 pm    Post subject: Reply with quote
    

I think that's a different issue from the 'trout and salmon that you buy in supermarkets/at the fishmongers' one. Commercial sport fisheries are probably sustainable (if a bit odd IMHO).

mihto



Joined: 03 Feb 2008
Posts: 3273
Location: West coast of Norway
PostPosted: Fri Nov 13, 09 11:33 pm    Post subject: Reply with quote
    

The rainbow trout is used for farming. This is not an indigenous species in our waters. They have the same life cycle (Sweet water/salt water) as salmon. They are quick growing and slaughtered at 2,5-4 kg.

The brown trout is wild. Hard to farm and grows much slower.

My thoughts about this: unless we find a vegitarian substitute, like soya, we will push the salmonide farming to the point when the food sources run dry. By then the wild fish gentetic pool is destroyed and disease has taken out whatever wild salmon is left. Exit Atlantic salmon. Exit many food fish species as well.

We need to think carefully about where these thoughts take us. I certainly have no anwers.

sean
Downsizer Moderator


Joined: 28 Oct 2004
Posts: 42207
Location: North Devon
PostPosted: Fri Nov 13, 09 11:35 pm    Post subject: Reply with quote
    

I don't think that they're different species. I do think that they're different levels of intensity.

mihto



Joined: 03 Feb 2008
Posts: 3273
Location: West coast of Norway
PostPosted: Fri Nov 13, 09 11:40 pm    Post subject: Reply with quote
    

sean wrote:
I don't think that they're different species. I do think that they're different levels of intensity.


Of course they are different species. Salmo trutta is our indigenous brown trout. The rainbow trout Oncorhynchus mykiss is North American.

I fish the one and work with the other. Trust me to know the difference.

Both taste lovely, btw. We once had 20 000 rainbow trout escaping. They all went up my favourite river.

Those were the days....

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