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SUPPL EMEN T
Technology round up
ver the last three years
Hvalpsund has been involved
in developing a revolutionary
new stock protection system
for Huon Aquaculture in Tasmania,Australia.
Huon is a vertically integrated company,
farming, processing and selling premium
quality Atlantic salmon and rainbow trout
products to domestic and international
As the only 100 percent Australian-owned
salmon farming business in Australia, Huon
employs over 480 staff and will produce
around 15,000T of salmon and trout this year
Huon owners, Peter and Frances Bender
approached the Danish net manufacturer at
Aquanor back in 2011, as they wanted to find
partners to develop a new system to keep out
seals and birds. Seals, in particular, prove a real
headache in Tasmania, costing the company
in the region of Aus$12-18 million per year.
These costs come from direct losses
caused by seals getting into the pen and killing
the fish, as well as the impact of stress induced
in the salmon by the seal attacks.
Moreover, the risk of attacks means that
the company needs to have dedicated teams
of staff patrolling the marine farm leases day
and night in an attempt to keep seals away
from the pens and off the collars, as well as
employing extra personnel to release any
seals that get into the pens.
Not only is killing seals strictly forbidden in
Australia, but any death of a seal would also
be very negatively perceived by the public.
As a result, the company recognised that
huge savings could be achieved by develop-
ing a better way to fence off the seals from
attacking fish and to improve safety for per-
sonnel working on the farms.
They had tried various net materials in
the past, but with poor effect and now they
wanted to go into a completely new direction
that would improve safety for both fish and
Hvalpsund suggested a trial using the ultra-
strong and light Dyneema® fibre for the nets
– a material they have plenty of experience of
Some of the early tests showed that it was
not enough just to spec up the twine size,
however – finding the right combination of
twine size and strength and combining both
knotted and raschel knotless materials eventu-
ally proved to be the key.
As no other salmon farm in the world had
ever required nets with such high strength, the
project was truly revolutionary.
By trialing different kinds of nets and pens
Hvalpsund worked with Huon to determine
the best system to keep seals and birds away
from the fish and feed.
Key to the design
The key to the design is the use of an
extra-wide, triple-collar stanchion that has
specialised outer sockets to accommodate a
seal fence post and bird net pole. The seal
fence post allows an outer seal fence net
surrounding the entire pen to rise 2.8 metres
above the surface of the water.
The idea of the extra wide pen is to main-
tain a good degree of separation between the
outer seal fence and the inner containment
The outer seal fence net is made using
125mm black knotted Dyneema® with a
breaking strength of over 1200kg.
It is also fitted with strong Dyneema®
vertical ropes from which the sinker ring is
suspended – by hanging the heavy sinker rings
directly from the seal net it is kept as tight as
possible all the time, which makes it more
difficult for the seals to push the net or bite it.
The inner containment net is made with
light yet strong Dyneema® which ensures
good water flow through the pen and reduces
As the outer seal net is permanently in
place, the pen is kept as a safe work environ-
ment where daily operations or net changes
can be done without the risk of seals attacking
stock or personnel.
The wide clearance between the outer
seal net and inner containment net means that
the nets can be cleaned using in situ net wash-
ers. The system also includes an ultra-light bird
net that is suspended high above the surface
by light, flexible poles.
The specially-designed, injection-moulded
HDPE stanchions can be fitted with walkway
plates either between the inner collars or
both collars. This design provides a safe work-
ing space for doing daily operations on the
pens, even in bad weather. The advantage of
using a pen made with only HDPE is that it
requires far less maintenance than pens with
steel components. Huon is also now investi-
gating the potential for the pen stanchions to
be constructed with injection-moulded nylon
which, if successful, will make the stanchion
The original trial has proved to be so suc-
cessful that Huon has now decided to replace
all their existing pens with the new system.
However, the real benefit will not come into
play until all the pens at the site are replaced
– as long as some of the pens with the old
design are still in use the seals will target these.
Hvalpsund Net is a family-owned and
-run company based in Denmark with 20
employees in the headquarter, warehouse in
Hvalpusnd. The company has its own pro-
duction in Poland with 80 workers – mainly
assembling aquaculture nets.
Main export areas are Faroe Islands,
Iceland, Scotland, Spain, Malta, Malaysia and
Tasmania. The focus at Hvalpsund Net is to
make cages, nets and mooring system for
offshore aquaculture sites.
pushing the boundaries
02 | INTERNATIONAL AQUAFEED | Fish farming Technology
FISH FARMING TECHNOLOGY
C/ San Romualdo 12-14 • 28037 Madrid (España)
+34 902 15 77 11 • +34 91 725 08 00
firstname.lastname@example.org • www.liptosa.com
Improved survival and growth rate
Improved health status
Immune boosting effect
Shortened production cycle
PROMOTER FOR FINGERLINGS
Fish farming Technology | INTERNATIONAL AQUAFEED | 03
FISH FARMING TECHNOLOGY
“IT GOES WITHOUT SAYING
THAT YOUR BUSINESS STANDS
WITH THE RIGHT INFORMATION
BUT CAN FALL BADLY WITH
INACCURATE WEIGHTS AND FISH
hat’s a quotation by Steve Bracken of Marine Harvest
Scotland which Hermann Kristjansson, CEO and co-
founder of Vaki Aquaculture Systems Ltd, began his talk at
Aquaculture UK 2014 recently in Aviemore, Scotland.
Mr Kristjansson presented his experience and views on Biomass
Control, which has been listed as one of the challenges in Scottish
salmon farming and in salmon farming in general.
Started Vaki when he graduated from the University of Iceland in
1986. Since then he has concentrated on developing fish counters and
size estimators for fish farming.
Three years ago, Marine Harvest, Salmar and Leroy formed a pro-
ject with SINTEF in Norway, the largest independent research institute
in Scandinavia, to improve the Biomass Control in salmon farming.
The total budget of the project, called EXACTUS, was UK£3 mil-
lion, which confirms the importance of Biomass Control as seen by
these three companies.
A recent study conducted by PHD student Arnfinn Aunsmo from
Aas University in Norway shows that the error in number of fish and
average weight harvested from individual cages is high.
The error reported on average weights is more that +/- five percent
in 30 percent of the cases.
There is evidence that show similar figures in Scotland even though
aggregate results often show that people are harvesting approximately
what they expect from a complete site.
Biomass Control is considered a serious problem/challenge in fish
farming. Now, why is it a challenge? Everybody can agree that poor bio-
mass control can lead to unnecessary negative environmental impact.
But what Mr Kristjansson addressed is the challenge of getting
the most out of production: How to achieve maximum yield with
Very few people are concerned with the profitability of salmon
farming today given the current price of salmon. But over the past 28
years that Mr Kristjansson has been in the industry, prices have not
been very stable and he thinks it would be considered irresponsible
not to prepare for some price fluctuation in the near to medium future.
In order to achieve maximum yield at minimum cost, higher indus-
trialisation of the farming process is required.
“Tight monitoring and control of factors, that can be controlled, is
needed. We need to collect as much data as possible and go into as
much detail as possible monitoring exact weights and numbers all the
way from hatching to harvest,” he explained.
Mr Kristjansson’s experience is that numbers in freshwater are quite
reliable in Scotland. All freshwater producers are using Vaki’s Micro and
Macro Fish Counters successfully. Vaki would like to conduct regular
training to make sure there are no surprises and everybody is up-to-
date in the use of the equipment.
One of the most critical points in production from a Biomass
Control perspective is the smolt delivery.
The number and weight of smolts introduced into each cage is
absolutely critical because it represents the starting point in an ongoing
Things could also be improved here with regular training and regular
validation of counts from the wellboats.
“As many of you know, our counters record the counting process
so counting can be validated afterwards and in fact, if the customer
doesn’t want to do it himself, they need only to forward a recording
file from the counter to Vaki.
“Currently, we are developing an online database which will receive
and store these recording files automatically from customers for later
reference or validation.”
The ongoing part of the production is the most challenging for
Taking a manual sample of 100 fish from a cage is both physically
challenging for the fish and the fish farmer and it is just not accurate
nor reliable enough, referring again to Arnfin Aunsmo in Norway and
to statistical theory.
“There is a case study from EWOS Innovation in Norway that
shows this clearly,” he says.
“When the information about the Biomass in individual cages is
not available or inaccurate, growth cannot be monitored and feeding
not controlled in an effort to obtain the lowest feed conversion rate
Low FCR is of course one of the most important indicators of low
production cost as you know, he adds.
“Therefore, monitoring the FCR based on real growth is essential if
one wants to control the feeding. Monitoring the periodic FCR based
on real growth is also essential if you want to analyse high FCR periods
and takes some actions or implement improvements before the next
He says a company might want to reduce its FCR from 1.4 down
to 1.2. How can they do that without knowing the real growth over
short periods? he asks.
Biomass Control helps industralise salmon farming further
04 | INTERNATIONAL AQUAFEED | Fish farming Technology
FISH FARMING TECHNOLOGY
“Monthly hand sampling of 100 fish does not provide enough
accuracy to build results on.”
Vaki have been working with its customers to identify and focus on
periods of high FCR in order to identify the reasons behind this and
improve the situation. The only way to monitor and improve FCR is
to measure real growth continuously and accurately.
He quoted another example, saying a customer in Canada, who
monitored the growth with Biomass Daily, confirmed a very high FCR
for two months.
When analysing the period the customer found out that due to
very high currents, some of the feed drifted through the cage before
the fish could eat it.
“The customer is going to try to avoid this next production cycle
by moving the feed input towards the current and perhaps try to feed
the fish when there are low tidal currents.”
The Biomass Daily system has been developed for some years now
and Vaki will continue to develop it to provide even more valuable
information to the customer.
Vaki will do this by comparing cages in the same site with cages
in another site, benchmarking with anonymous cages in the area and
comparing with the last production cycle.
Vaki have developed a sonar specifically to find at which depth
most of the fish are in the cage, to put the frame there in order to
measure most fish and a winch system to move the frame between
Biomass Daily can be used to monitor the biomass from hatching
to harvest. Vaki have developed a morts counter with LiftUP from
The morts counter will automatically send data to the Biomass
Daily system to make sure that the number of fish in the cage is
According to major sources, Biomass Control is one of the biggest
challenges in salmon farming. Biomass Control is also one of the big-
gest opportunities in salmon farming as a part of increased “industriali-
sation” of the fish farming process which needs to take place in order
to meet future challenges.
Fish farming Technology | INTERNATIONAL AQUAFEED | 05
FISH FARMING TECHNOLOGY
According to major sources, Biomass
Control is one of the biggest challenges
in salmon farming. Biomass Control is
also one of the biggest opportunities in
salmon farming as a part of increased
“industrialisation” of the fish farming
process which needs to take place
in order to meet future challenges.
a revolution in biomass measurement
Tel.(+354) 595 3000
Fax. (+354) 595 3001
u Total overview of all cages
u Daily size measurements
from each cage
u Accurate average weight,
size distribution and
u Daily growth over selected
u Real time comparisons
between cages and sites
u Better information
– motivation for operators
u Automatic reporting of data
and system status
06 | INTERNATIONAL AQUAFEED | Fish farming Technology
Americas Tilapia Alliance International Association of Aquaculture
American Veterinary Medical Association Economics and Management
Aquacultural Engineering Society Latin American Chapter WAS
Aquaculture Association of Canada Striped Bass Growers Association
Catfish Farmers of America US Shrimp Farming Association
Global Aquaculture Alliance US Trout Farmers Association
American Veterinary Medical Association World Aquatic Veterinary Medical Association
February 19-25, 2015
New Orleans Marriott
New Orleans, Louisiana
THE NATIONAL CONFERENCE & EXPOSITION OF
Aquaculture – Center of the Plate
For More Information Contact:
P.O. Box 2302 | Valley Center, CA 92082 USA
Tel: +1.760.751.5005 | Fax: +1.760.751.5003
Email: email@example.com | www.was.org
MAG Seal Deterrent
At the time of the Aquaculture UK con-
ference and exhibition, the MAG Seal
Deterrent had only been on the market for
six weeks - a new exciting piece of kit set to
save fish farms a fortune.
Of course we at IAF were keen to learn
the facts and Mal Scott, general manager for
Mohn Aqua UK, based in Forres, Scotland,
was more than happy to talk us through
The Airmar DB11 used to be imported
and sold here in the UK by Mohn Aqua.
The DB11 was for a long time,
“the best Seal Deterrent on the mar-
ket” but now, with Airmar’s blessing
Mohn Aqua have taken the DB11 and
redesigned it for the better, creating
what is now known as the MAG Seal
It is made fully in the UK and has been
built in consultation with, approved and
tested by Airmar.
Its foundations are sturdy, using much
of the technology that the DB11 originally
Just like the DB11 the MAG Seal
Deterrent sends out an omnidirectional
pulse that hurts seals ear drums, yet with the
MAG deterrent, “The pulse on each projec-
tor can be set to go off at different intervals
and for varied lengths of time, making the
sequence appear random.”
In the past, some seals had learned to
predict a pattern.
The MAG Seal Deterrent is 50 percent
more effective than the DB11 and so it
further helps prevent losses. Its only been
on the market for a few months.
A company reported UK£91,000 loss
then got a new MAG Seal Deterrent box
fitted and didn’t lose a single fish.
Companies have to keep good records
of seal attacks and seal deterrents.
Mal explained all supermarkets audit the
fish farms where they source their fish, using
standard industry auditors in the UK like the
RSPCA and Freedom Food Alliance.
“None of the old systems would tell you if
the system was faulty, the only way of knowing
was to lose fish to seals and with the MAG Seal
Deterrent its easy to find out.” explained Mal.
Fault detection can be done daily with
the MAG Seal Deterrent. A main problem
that used to go undetected quite often was
a damaged projector cable. But when you
go through the test sequence each day -
these things are easy to identify.
The product works by firing a pulse that
can cause pain to a seal’s eardrums within 60
metres of a fish farm. Seals can get used to
noise but not pain; yet it won’t deafen seals
as alternates through many frequencies.
MAG was conscientious when it came
to cetaceans (whales, porpoises and other
mammals) and is confident that the MAG
Seal Deterrent causes little acoustic interfer-
ence to them.
Aquatic China 2014
Throughout the world consumers’ behaviour
and attitude towards food has been
changing and, as a result, the industries
supplying food need to focus on the
exchange of information in order to meet
these new demands.
The emphasis of the Aquatic China 2014 two-day
conference is creating an opportunity pathway for those in
China’s aquaculture industry to connect with some of the
world’s experts on aquaculture research, science, nutrition,
feed formulation, economic production, food safety,
quality assurance and certiﬁcation.
Fish farming Technology | INTERNATIONAL AQUAFEED | 07
Feed barge innovations for the Faroe Islands
JT Electric and Sandgrevstur joined forces to create innovative
feed barge solutions for Bakkafrost, the leading producer of top
quality salmon in the Faroe Islands.
Oddvald Olsen, Bakkafrost’s farming manager has been work-
ing in the sea-farming industry for nearly 30 years. During that
time he has been following the development of feed barges.
In his opinion, “traditional feed barges are not suitable for the
farming environment in the Faroes.”
Mr Olsen had been contemplating the idea of creating a suitable
solution for many years. Now, JT Electric’s Olavur Thomsen and
Sandgrevstur’s Gordon Martin Midjord have made that idea a reality.
“Some were of the opinion, of course that we went back in
time by rebuilding out-of-date cargo vessels into feed barges,”
“But as these vessels are built for sailing the open seas and the hold is
quite suitable for silos, I was convinced they were right for the project.”
The capacity to carry
Sandgrevstur largely sell and transport raw material for con-
crete and asphalt production. They are always on the look out for
ships that have the capacity to carry a large amount of cargo and
they always know which ships are on the market.
This combined with JT Electrics knowledge of feeding systems
makes for a winning union.
Back in August 2013 Skavahamer - the first of the custom-
made feed barges was delivered to a Bakkafrost fish farm.
Skaverhamer was a succeeded by a second vessel Svarthamar,
which was delivered to another Bakkafrost feeding site in April this year.
Each fish farmer was involved with the process of designing the
barge to meet the requirements of the site.
The feed barges are unique and built according to customer
demands yet they share defining characteristics. Each barge is
extremely stable and suited for exposed sea. They are high capac-
ity and can carry 600 tonnes of feed or more.
Each feed barge has a very long berth side enabling feed and
work-boats to safely lie alongside and both have a high life expec-
tancy due to the thickness of the steel from which it is made and
each vessel has large fuel and water carriage capacity.
The up-cycling aspect of these feed barges is appealing and
is economically rewarding. JT Electric explained it is not always
about using the most expensive materials, it is more about using
the materials that are right for the job. And in this case they hit
the nail on the head.
“The barges work just as well as I had imagined’ explained Mr
Oddvald who says, “We are quite satisfied with them as they are
suited to their position in the open sea, where the waves are high
Dryden Aqua active filtration media
Dryden Aqua’s exhibition stand at
Aquaculture UK 14 was laden with little
sample sachets of emerald green Active
Filter Media (AFM) that people were urged
to pick up and pocket.
I have pinned the little sachet onto my
notice board at work!
For me - it serves the purpose of a
souvenir and brings back memories of
Aviemore and Aquaculture UK; forget stuffing a suitcase full of
haggis and bagpipes. Staring at this little sachet of AFM is enough
to take me back to the highlands.
Obviously, it is so much more than a souvenir and the little
sachets also fell into the hands of
some of the big names in aquacul-
ture; all of whom could be seek-
ing innovative filtration solutions
within the aqua sector for filtration
AFM is made in the most
sophisticated glass plant in Europe from recycled Scottish green
glass cullet and bottles. The Dutch olympic team train in AFM-
filtered pools and that’s understandable as this report shows AFM
is confirmed to be twice as good as the best sand or glass filtration
media in cleaning water.
Let me just conclude by saying how charismatic and informative
Dryden’s representatives were. Analytical chemist Christi Ashley Sing
and engineer Mutassim Ghzali were great ambassadors for the product.
Stirling graduate appointed by Meriden Animal Health
University of Stirling graduate Kat Konstanti has been appoint
to the position of International Technical Support Specialist for
Meriden Animal Health.
Ms Konstanti’s main focus will be to support the drive and
growth of Meriden's products in the aquaculture industry through
her technical knowledge and understanding of the market.
She recently graduated with a Masters in Sustainable
Aquaculture. During her studies at Stirling in Scotland, Ms
Konstanti investigated several aspects of aquatic animal culture
and gained a solid understanding of the principles that surround
the aquaculture industry.
With a focus in aquatic animal health control, nutrition, food
safety and practical feed production, Kat's studies have set her up
well for her career with Meriden. Kat will also be providing addi-
tional technical support to the other species areas of the business;
however her main focus will be on aqua.
"Meriden has gained a solid base in the aquaculture industry since
re-formulating its flagship product to create Orego-Stim Aquatract
and developing Phyconomix," says Kat speaking of her appointment.
"It is my goal to continue the development of these products
within the aquaculture industry which is in dire need of effective,
natural and sustainable products."
Orego-Stim Aquatract has been formulated to reduce mortal-
ity, increase harvest weight per area and provide support against
stress during vaccination and grading. The product is available in
both liquid and powder form.
Phyconomix is a ready-to-use range of algae-based products
that mirrors optimal larval diets encountered in the wild. Available
in powder and liquid form, the nutritionally complete products
produce healthier, more resistant post larvae for on-growing.
08 | INTERNATIONAL AQUAFEED | Fish farming Technology
Remote interface assists controlling
feed and fish in transit
Pentair’s new Remote Interface Unit (RIU3) is a modular system
that offers a high level of monitoring and control when it comes
to feed in transit and in storage.
The original RIU was a great achievement in linking the vari-
ous stages of fish transportation. However, the new RIU3 which
took a year in development and is based on customer inputs, is
set to further its capabilities while providing a user experience
that is less complicated through more simplified controls of just
International Aquafeed was interested to learn at Aquaculture
UK 2014 about the installation of RIU3 on monitoring multiple
trailers carrying live fish simultaneously.
This utilises five direct inputs and five relay inputs to monitor
the fish accurately and ultimately lead to reduced operating costs.
Arvotec, the Finnish company who have previously featured in our
magazine, use real-time software from Pentair in their products.
Higher waves, stronger currents do
not upset Faroe fish farmers
Battered by extreme weather and sea conditions in a natural envi-
ronment far more hostile than most other places, Faroese fish farms
are built to last, using the most robust equipment in the world,
according to Vónin Aquaculture.
For most fish farmers, a wave height of eight metres is rather
unthinkable, not to mention a current strength of 0.8 metres per
second. Now go to the Faroe Islands and you will soon see that such
conditions are considered nothing out of the ordinary - that is, they
are quite common during winter in certain locations, as measured
in 100-hour blocks.
Extreme conditions by Faroese standards, is quite a different thing.
Back in November 2011, Landsverk, the Faroese Public Works
Agency, recorded wave heights of up to 19.7m, in fact the highest
ever since records began in the late 1960s - possibly the highest on
record anywhere, according to the agency.
Even on that occasion, Faroese fish farms largely suffered no
significant damages, however, one installation had its anchorage
compromised and started drifting.
“I remember this person was nervous about his fish farm which
had shifted position by some 70m in a very short time,” said Signar
Poulsen, manager at Vónin Aquaculture.
“One of his larger floating frames had snapped and was only
being held together by the net cage itself, which fortunately was
made of very strong Dyneema netting.
“So this was an emergency situation and we had three service
teams mobilised to make sure the fish farm remained safe. It turned
out to be intact except for the anchors used for keeping it in place
and the one floating frame which had been broken in two but was
held together by the net cage itself. We had it all repaired and back
in place in a matter of hours.
“The anchors were of the most robust kind but they had been
dragged across the seabed by the force of the sea with the upper
parts completely deformed. So the person was very happy to see
everything resolved and the installation back in place with no dam-
age to the fish farm.”
Mr Poulsen added, “But such incidents are extremely rare in the
Faroe Islands; I cannot recall any other time that something like this
Three times stronger
Out of a total of 36, two fish farming locations in the Faroe
Islands regularly have currents of up to 0.8 metres per second while
two other have wave heights of up to eight metres. As far as con-
cerns equipment, the ability to withstand the elements is a standard
Today, every aquaculture installation in the Faroes uses equip-
ment from Vónin Aquaculture, Mr Poulsen says.
“Our offerings range from complete solutions to component
parts, from net cages, plastic cages, to mooring systems and acces-
Vónin net cages are usually made from nylon, dyneema, polyester
or polyethylene. What separates a Vónin net cages from others is
the design of the net cage. A Vónin net cage is designed in particular
way which enables it to be used at more exposed and shallow sites.
Fish farms are essentially underwater installations and according to
Vónin, their mooring system outperforms other systems on the mar-
ket, much thanks to a unique design that includes a shock absorbing
function that enables the installations to remain firmly moored to the
seabed while seamlessly withstanding the forces of the sea.
“We have 14 departments spread over the whole North Atlantic
Ocean, spanning five countries. Canada, Greenland, Norway, Faroe
Islands and Denmark,” he says.
Vónin net cages and mooring systems undergo rigorous quality
tests in order to ensure strength and quality is never compromised.
All Vónin products come with certifications.
Ropes from Knox
Star Netting is a product with a worldwide patent pending for the
fibrous polymers used and consists of new ropes from W&J Knox –
a company first established in 1778 – and having a range of purposes
to meet many challenges in fish farming.
The unique properties are hydrophobic qualities and easy clean-
ing; no algae or other materials in the water are able to stick to it.
The benefits of the technology have been developed with other
partners to deliver superior technology with friendly, built-in anti-seal
strength ropes for fish farmers.
The technology is at a very high level but is not just for aquacul-
ture, says the company.
Kaycee’s twin-dose syringe
Kaycee is offering a new twin-dose syringe that is the culmination of
significant research and development in response to the needs of
the aquaculture industry.
Samuel and Adam Sesemann told International Aquafeed maga-
zine that Kaycee has been building high-quality, hand-held repeater
syringes serving the international animal health industry for over 50
For use with all oil and water-based vaccines, it is known for
reliable dose accuracy while still being easy to maintain with fully
replaceable spare parts.
With its distinctive
blue grip and polished
chrome finish it has
changed little over the
years and due to its
truly ergonomic and
their syringes are com-
fortable to use, allowing
long sessions while mini-
and ultimately reducing
Built with chrome-
plated metal to ensure a long life and endure the rigours of outdoor
use in the agriculture and aquaculture industries.
“As with all our syringes the hand-operated, twin-dose repeater
syringe has been designed for use with all oil and water based vac-
cine and specifically designed to deliver two vaccines of differing
viscosity in the same dose.
“It has two adjustable dose ranges of 0.05ml each, 0.1ml each or
0.05ml and 0.1ml. Staying true to the design of our current syringe
range it is comfortable to handle, ergonomic in design, allows for
long sessions minimising operator fatigue and will ultimately reduce
the costs of vaccination,” says the company.
Kaycee Veterinary Products Ltd was founded in 1962 and has
been owned and run by the Sesemann family since 1976. Based in
England, their products are shipped internationally.
Fish farming Technology | INTERNATIONAL AQUAFEED | 09
Extruder OEE for the Production of Fish FeedExtruder OEE for the Production of Fish Feed
AMANDUS KAHL GmbH & Co. KG, Dieselstrasse 5-9, D-21465 Reinbek / Hamburg,
Phone: +49 40 727 71 0, Fax: +49 40 727 71 100, firstname.lastname@example.org www.akahl.de
Aquaculture UK 2014 - EXPO
10 | INTERNATIONAL AQUAFEED | Fish farming Technology
FISH FARMING TECHNOLOGY
BOC – Geoff Hamilton, Carl
Hastings, Richard Randle,
David Stolk, Keith, Nicholson
and Heribert Schneeberger
MSD ANIMAL HEALTH –
Keith Morris, Dafydd Morris,
Charis Gould and Chris
BORIS NETS – John Howard PHARMAQ – Chris mitchel
and Ben North
KAYCEE – Adam Sesemann
and Samual Sesemann
AQUATIC SOLUTIONS A/S
– Bjarke Sorensen and Ole
FERGUSON TRANSPORT –
Carol Mackinnon, Colleen
Maclean and Alisdair Ferguson
FRAANTECH – Bjorn Ove
Skjeie and Michel Masson
STEEN HANSEN – Rolf
Mork-Knudsen, Thale Steen-
Hansen and John Skomsøy
EWOS – Lindsey Pollock and
STINGRAY – ODD Mikkelson
and John A Breivik
– Oyvind Prestvik
MISDALE TRANSPORT – Sandy
MacKenzie, Alison Holden, Tore
Jacobsen and Petter Gunnarstein
SEA SCARER – Baxter Binnie
and Maureen Elen
FUSION MARINE – Gino
Bawn, Rhuaraidh Edwaards
and Iain Forbes
AKVA – left to right
Ian Lawson, Kjell-Egil Riska,
Derek Fergusson, Brian
AQUALINE – Hans Olav Ruo BIOMAR – Sarah Cook,
Margaret Conry, John
Carmichael, Andy Young
and Emma Matheson
RK BIO ELEMEMNTS
– Robert Knudson
LIFT UP – Liam Heffernan
and Jarle Ragnhildstveit
HYGIENE TECHNIK –
Stuart Ferguson, Alasadair
Dempster and David
HVALPSUND NET – Casper
EUROPHARMA – Ross
Beedie and Alan Dykes
FISH GUARD – Ross Beedie
– Christi Ashley-Sing and
– Allan Lyons and James
MOHN AQUA – Malcolm
Scott and Martin Scott
XELECT – Proff. Ian Johnson
and Dr. Daniel Garcia de la
– Soren Madsen and B.N.
Fish farming Technology | INTERNATIONAL AQUAFEED | 11
FISH FARMING TECHNOLOGY
TODD FISHERIES – Dr Keith
Todd and Errin Todd
OCEA – Malvinus Í Gong,
Raymond Horne, Tore
Laastad and Adam Bialecki
CALITRI TECHNOLOGY –
Giuseppe Calitri and David
KJ – Joannes Morkore BADINOTTI – Charlie
Hunter and Alessandro
– Helen Groves
TOM MORROW TARPORLINS
– Chris Townslea and Gary
SKRETTING – Mark Weir,
Lisa Buckley, Will Jewison
and Robert Hughes
– Martin Carr
– Nathan Moreland
GRADING SYSTEMS LTD
– Johny Johnson
– Ashutosh Sinha
GAELFORCE – David Wood
and Paul Maclean
STEINVIK – Steve Ball and
SAL - David Elo DESMI – Lee Roberts and
AQUACULTURE – Chris
Hyde and Chloe Newman
STERNER AQUATECH UK
- Roger Webb, Graham
Eden, Darren Hanson, Chris
Stewart and Jim Neill
– Signar Poulsen and Sigvald
AQUA GEN – Andy Reece,
Ann Vik Mariussa and Jacob
FAIVRE – Aubert Faivre and
ACE AQUATIC – Nathan
Pyne-Carter and Ross Pyne-
PENTAIR – Allen Hirsh,
Marco Pistrin and Jeffrey
STORVIK – Derik Watson,
Lorraine Campbell, Sven
Arve Tronsgard and Knut
JT Electric - To the left is Rói
Kalsø and to the right is
MORENOT – Yngue
Askeland and Nina
LAND CATCH – Keith
Drynan, Louise Curtis and
– Tom a Hatleskog
FISH VET GROUP
– Chris Mathews and Matt