Fly Fishing Forums
Go Back   Fly Fishing Forums > General Fly Fishing Forums > General Fly Fishing Discussion
Forums Register Blogs FAQ Members List Social Groups Calendar Search Today's Posts Mark Forums Read

Reply
 
Share LinkBack Thread Tools Display Modes
  #1 (permalink)  
Old 08-04-2010, 07:28 PM
Jedi's Avatar
Member
 
Join Date: May 2006
Posts: 299
Jedi is on a distinguished road
Default Fish Meal Production

This is an interesting link on fish meal production, all be it a lot of reading. If you are genuinely interested in the Environment its worth reading , if you are just interested in self-aggrandisement or a WUM, just stroll on. I am not saying that it is totally unbiased but feel free to post scientific facts on the counter argument.

I’ll say it again fishmeal production in the UK uses less than 3% Sandeels. The Salmon Farming industry uses 96% of fishmeal production in the UK , Rainbow Trout 3.7%, the balance on other species.

http://www.iffo.net/intranet/content/archivos/79.pdf

Regards

Jim
Reply With Quote
  #2 (permalink)  
Old 08-04-2010, 08:09 PM
warrenslaney's Avatar
Member
 
Join Date: Jun 2006
Location: Youlgrave
Posts: 2,397
warrenslaney is on a distinguished road
Default

Whilst working on a Marine Harvest farm in the early 80's the FCR's were well down for a long period. The diver found the reason for this when he discovered a small hill of uneaten fish meal sludge off the end of the cages. It soon came to light that the weekend detail, who should have been feeding a ton each day, were jettisoning the lot.
__________________
http://141207.blogspot.com/
http://www.haddonestate.co.uk/rivers/rivers.php
http://www.thepeacockatrowsley.com/fishing.html
Reply With Quote
  #3 (permalink)  
Old 08-04-2010, 08:37 PM
Ephemerella's Avatar
Member

 
Join Date: May 2009
Location: City of Chester
Posts: 4,864
Ephemerella is a splendid one to beholdEphemerella is a splendid one to beholdEphemerella is a splendid one to beholdEphemerella is a splendid one to behold
Default

Quote:
Originally Posted by Jedi View Post

I’ll say it again fishmeal production in the UK uses less than 3% Sandeels. The Salmon Farming industry uses 96% of fishmeal production in the UK , Rainbow Trout 3.7%, the balance on other species.

That would mean the balance (you say) fed to all other species is only 0.3%

I don't accept your risible statement as in any way accurate. What about dry cat and dog food? Chicken and pig food? Have you thought of comparing tonnages produced in those industries? I would recheck your "facts".
__________________


Save the softmouth trout
Reply With Quote
  #4 (permalink)  
Old 08-04-2010, 08:42 PM
Member
 
Join Date: Apr 2009
Location: Wiltshire
Posts: 2,060
Steve Walker is on a distinguished road
Default

I would guess that the numbers are % of the total used for aquaculture?
Reply With Quote
  #5 (permalink)  
Old 08-04-2010, 08:52 PM
Member
 
Join Date: Jun 2009
Location: Linlithgow, Scotland and anywhere i can wet a line!
Posts: 2,891
aenoon is on a distinguished road
Default

Quote:
Originally Posted by Jedi View Post
I’ll say it again fishmeal production in the UK uses less than 3% Sandeels
Do a search on power stations using sand eels.

See what you come up with!

regards

bert
Reply With Quote
  #6 (permalink)  
Old 09-04-2010, 06:41 AM
Jedi's Avatar
Member
 
Join Date: May 2006
Posts: 299
Jedi is on a distinguished road
Default

Quote:
Originally Posted by Steve Walker View Post
I would guess that the numbers are % of the total used for aquaculture?
Correct those are the figures for the UK Aquaculture industry.

Fishmeal usage is the UK is as follows :

55% Aquaculture
25% Poultry
15% Pigs
5% Other

I am not saying that I agree with unmamaged exploitation of natural resources , all I am saying is that any judgemnts should be based on fact and not emotion or anecdotal evidence. Or as an argument for their own hidden agenda.

Last edited by Jedi; 09-04-2010 at 06:56 AM.
Reply With Quote
  #7 (permalink)  
Old 09-04-2010, 03:23 PM
Strathearn's Avatar
Member
 
Join Date: Jul 2006
Location: Perthshire
Posts: 970
Strathearn is on a distinguished road
Default

Hi Jim,

That was an interesting read. There are some holes though, where no data is available. However on the whole it seems to be giving a reasonable picture of what is happening to the fish at the bottom of the food chain. It's not a good picture though, it basically says that we are fishing at maxium capacity for most of the species and over fishing the rest

Hopefully the powers of recovery for most of these fishes, refered to in the report, holds true and the inshore waters will once a gain be briming with wee fish

Norm
__________________
http://www.youtube.com/watch?v=p0rWxCCHSCM
Reply With Quote
  #8 (permalink)  
Old 09-04-2010, 04:01 PM
Jedi's Avatar
Member
 
Join Date: May 2006
Posts: 299
Jedi is on a distinguished road
Default

Quote:
Originally Posted by Strathearn View Post
Hi Jim,

That was an interesting read. There are some holes though, where no data is available. However on the whole it seems to be giving a reasonable picture of what is happening to the fish at the bottom of the food chain. It's not a good picture though, it basically says that we are fishing at maxium capacity for most of the species and over fishing the rest

Hopefully the powers of recovery for most of these fishes, refered to in the report, holds true and the inshore waters will once a gain be briming with wee fish

Norm
Norm

Thats why I think that the abolition of the 3 mile limit was madness , I do not even recall any counter argument or protest when that one was slipped through. It gave some fish unditurbed nursery areas.

Regards

Jim

in
Reply With Quote
  #9 (permalink)  
Old 09-04-2010, 04:25 PM
Member
 
Join Date: May 2009
Location: Helmsley, North Yorkshire
Posts: 183
thestickman is on a distinguished road
Default

Quote:
Originally Posted by warrenslaney View Post
Whilst working on a Marine Harvest farm in the early 80's the FCR's were well down for a long period. The diver found the reason for this when he discovered a small hill of uneaten fish meal sludge off the end of the cages. It soon came to light that the weekend detail, who should have been feeding a ton each day, were jettisoning the lot.
I 'discovered' that one of my staff was doing the same thing on his weekends on - simply cutting open bags of food and emptying up to half a tonne a day into the river! I only found out because the farmer, who owned the land, had watched him doing it

The same guy had been 'disciplined' by me several weeks earlier because the food in the store was way out when the bags were counted just before a new delivery - as if he hadn't fed anything at all on his weekend to work. He obviously decided the easiest way to make the count tally was to tip the bags out - instead of feeding the fish! He was eventually sacked when I checked up on Boxing day and found he'd gone home (250 miles away) on Xmas eve and left the farm unattended - despite asking specifically if he could work at Xmas His family was quite shocked to receive a phone call asking where he was - as he had told them he'd got Xmas off to be with them

The amount of fishmeal in the feeds had been going down for several years before I left the industry (in 1999) as the price was increasing and the food producers found ways of adding more plant and animal protein instead of fish. I remember that lot of dried blood from abattoirs was being used. Trout and salmon are not good at digesting plant protein, even when cooked, so I think there will always be a quite a high proportion of fishmeal used in their feeds.

StickMan
Reply With Quote
  #10 (permalink)  
Old 09-04-2010, 04:30 PM
Ephemerella's Avatar
Member

 
Join Date: May 2009
Location: City of Chester
Posts: 4,864
Ephemerella is a splendid one to beholdEphemerella is a splendid one to beholdEphemerella is a splendid one to beholdEphemerella is a splendid one to behold
Default

Quote:
Originally Posted by Jedi View Post

I am not saying that it is totally unbiased but feel free to post scientific facts on the counter argument.


It is biased, the figures selected and slanted to show the salmon aquaculture industry in a good light following condemnation of industrial fishing, especially for sandeels. The RSPB would be one of many.

The report is by FIN. The fishmeal producers themselves.


Quote:
Originally Posted by Jedi View Post
...I’ll say it again fishmeal production in the UK uses less than 3% Sandeels. The Salmon Farming industry uses 96% of fishmeal production in the UK , Rainbow Trout 3.7%, the balance on other species.

http://www.iffo.net/intranet/content/archivos/79.pdf


Quote:
Selected 'quotes' from the PDF:

fin: fishmeal information network


Annual Review of the feed grade fish stocks used to produce fishmeal and fish oil for the UK market

fin is an initiative of GAFTA, the Grain and Feed Trade Association

EUROPE
ICES

Oct 07

Page 21

Sandeel - Ammodytidae
Less than 3%
Not used for human consumption.
ICES recommended exploratory fishing April 2008 which found stocks recovered and that 470,000t could be fished in ‘08.


The 3% was due to ICES restrictions for 07/08 and not typical.

This next report is closer to reality. The collosal tonnage figures even more frightening when it is realized that 4.66 kg of sandeels are needed for just one kilogramme of fishmeal.

Fishmeal and oil production


Quote:
Fishmeal and oil production
(produktion af fiskemel og fiskeolie) Denmark
2000

Fishmeal and oil are industrial products made from industrial fish (fish for reduction) caught in the sea and from fish waste from fish industry. Fishmeal is used as ingredient in animal feed and fish oil is used as ingredient in both animal feed and human food products.


Process description
The present data refer to fishmeal and oil production in one major factory in Esbjerg, TrippleNine where the production processes are following: 1) The raw material of industrial fish is boiled in its own juice by an indirect supply of steam. 2) The cooked fish is separated into a dry fraction (press cake) and a liquid fraction (press water) by pressing. 3) The fish oil is separated from the press water by centrifugation. 4) The press cake is dried at temperatures ranging from 70 to 100°C by means of indirect steam until a moisture content of 5-10%. 5) The dried press cake is cooled and milled into fishmeal and antioxidant is added. 6) The oil is packed in metal drums and the meal is packed in bags before delivery. The factory produces about 220.000 ton of fishmeal and 60.000 ton of fish oil. The factory is modern and it is committed to energy saving and environmental protection through its official policy.


Data collection and treatment
All data are derived from TrippleNine’s May and June record in 2000 when 100% of fish-input was sandeel.


Technical scope
All production processes as well as heating and lightening are included. Packaging is not included


Representativity
The factory produces about 220,000 ton fishmeal and 60,000 ton fish oil per year and is the second largest producer in the world.

Validation
Good agreement has been found between the present data and data from a similar processes (confidential source).


Inputs and outputs
Inputs and outputs associated with fishmeal and oil production are shown in the table below Data are provided per kg of fishmeal (5-10% moisture) at the fishmeal factory’s gate.

Materials/fuels Unit Quantity
Inputs Sand eel kg 4.66
Formaline (37 % formaldehyde) g 10.8
Antioxidants g 0.309
Sulphuric acid. H2SO4 g 2.1
Sodiumhydroxide, NaOH g 4.8
Nitric acid, HNO3 g 0.52
Hydrochloric acid. HCl g 0.38
Electricity kWh 0.19
Heat MJ 6.2

Outputs Products
Fishmeal kg 1
Fish oil kg 0.21
Wastewater to municipal
waste water treatment plant
COD g 4.5
N-tot g 1.1
P-tot mg 31
Emission to sea
COD g 0.56
N-tot g 0.54
P-tot mg 5.2
Location in database: Maretial/Food from industry/From feed industry/fish meal


Administrative information
Data URL: http://www.lcafood.dk/processes/indu...roduction.html
Version no.: 1.00
Authors: Erik Olesen, Højmarkslaboratoriet and Per H. Nielsen 2.-0 LCA Consultants.
Data entry: Data have been entered in this format by Per H. Nielsen and Erik Olesen.
Data completed: July 2003.
__________________


Save the softmouth trout
Reply With Quote
Reply





Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On







All times are GMT. The time now is 11:53 AM.


Loading...
Powered by vBulletin® Version 3.8.5
Copyright ©2000 - 2012, Jelsoft Enterprises Ltd.
Content Relevant URLs by vBSEO 3.6.0
2006-2011 Fish&Fly Ltd