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Thoughts from the Aquafeed team
 | | Marnie Snell |
Hello, Before I begin telling you what a full issue we have this month, I should probably introduce myself. My name is Marnie and I joined Perendale in February this year as a media and content management apprentice. I am particularly excited about the photo shoot in this edition of International Aquafeed, as I helped with both its production and final design. As well as the photo shoot, this edition of International Aquafeed also brings you an in-depth focus on shrimp, as part of the expert topic feature, and a very interesting article on the nutritional value of live feeds with microalgae, written by Eric C Henry PhD, research scientist at Reed Mariculture Inc. I hope you find this packed edition of International Aquafeed as interesting as I'm finding my time here at Perendale. Enjoy! |
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Highlights from our CURRENT edition
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 International Aquafeed May | June 2013
There are three main ways to view our content online. Click the cover image of the magazine to be taken to the full online page turning version of the mag, or click on the individual features below to just see that item on its own.
 Alternatively, if you like to read your content on the go, why not try our new mobile optimised feature content - scan the QR code to be taken to our content on your phone, or visit - www.aquafeed.co.uk/mobile.
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They are what they eat - Enhancing the nutritional value of live feeds with microalgae
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Controlling mycotoxins with binders
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An effective source of dietary methionine for the turbot Psetta maxima
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Pelleting and extrusion in aquafeed technology
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Industry News
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Research conducted on early mortality syndrome (EMS) at a large integrated shrimp farm in Malaysia has indicated that the disease repeatedly manifests in ponds with an increase in pH to 8.5 to 8.8.
Conducted by Noriaki Akazawa, managing director of Agrobest Sdn. Bhd., with assistance from Kinki University and the National Research Institute of Aquaculture in Japan, the full research results are being prepared for publication in a peer-reviewed journal.
EMS, more technically known as Acute Hepatopancreatic Necrosis Syndrome (AHPNS), has had a significant impact on shrimp production in Southeast Asia. The research results are encouraging because they provide shrimp farmers with a tool to improve management of the disease in ponds.
A review of water quality data from approximately 80 affected and unaffected ponds stocked during the same month indicated several water quality differences that were correlated with outbreaks. The researchers then conducted replicated aquarium trials with controlled levels of various parameters.
These tests confirmed that the disease repeatedly regressed at lower pH (around 7) and manifested at higher pH (8.5 to 8.8). Survival rates in Agrobest ponds have greatly improved with management of pH to avoid the zone of EMS susceptibility. __________________________________________________________________________ 14/06/2013: Rent prices challenge Chinese aquaculture; abs in prehistoric fish; angler lands huge catfish after two-hour fightRising land prices is putting a strain on China's aquaculture sector. In some of the key southern provinces, rent for aquaculture land has shot up 80 to100 percent. Fish farmers in Fujian, Guangdong and Zhejiang told that acquiring land for ponds is becoming increasingly difficult due to competition from industry and real estate. Shrimp and Tilapia farmers complain that rents have risen from CNY 300 (USD $49) to CNY 900 per mu (15 mu = 1 hectare) to (USD$146). Read more...Researchers from Australia have discovered muscle tissues in the remains of placoderms, a prehistoric armour-plated fish. They were "stunned" to find they included abdominal muscles, previously thought to have originated in land animals. Kate Trinajstic, lead author of a paper published in the journal Science, said the discovery was rewriting ideas about early evolution. "These animals had much more complex musculature than modern fish." Read more...An angler has caught a giant catfish after a two-hour battle during which he was dragged neck-deep into a lake. Daniel Sibley of Blaby, Leicestershire, landed the 108lb 4oz "beast" while angling for carp. The fish, caught at Bluebell Lakes, Northamptonshire, is thought to be one of the heaviest ever landed with a rod and line in Britain. Read more...
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URI firm developing techniques for tuna aquaculture
Yellowfin tuna swim in a tank University of Rhode Island's Bay Campus in the first U.S. effort to breed tuna in a land-based aqua farm, the university said.
"Worldwide demand for tuna increases yearly, even as tuna stocks are dwindling precipitously," Terry Bradley, a URI professor of fisheries and aquaculture said. "What we're trying to do is produce fish in captivity and take the pressure off the wild stocks."
Bradley and Peter Mottur, director of Rhode Island-based Greenfins, are working to develop techniques to raise tuna from egg to harvest-size while creating a new sustainable industry in Rhode Island.
Bradley and Mottur's efforts to get a few wild-caught tuna to spawn in the URI tank have been challenging, the university said. Because tuna are long-distance migrants that swim at great speeds, acclimating them to a 20,000-gallon, 20-foot-diameter tank has been difficult. Once fish spawn and eggs hatch, the microscopic larvae must be fed live food raised on site then weaned from live food to a dry, formulated feed.
"It's a sustainable project that we hope will create green technology jobs here in Rhode Island to leverage the great intellectual capital we have in the state," Mottur said. "We've already developed a partnership between URI and my company, and we hope to take it from the research phase to the commercialisation phase once we demonstrate tuna breeding and larval rearing success."__________________________________________________________________________ |
| Want more news? | If you want to find out more about whats going on in the industry today, why not try our two excellent news services
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The AQUACULTURISTS blog
The AQUACULTURISTS blog with its hand picked content from around the global aquaculture industry, is great place to get up-to-date with the most interesting developments in the aquaculture world. The site is updated daily with news, event information, new products and comment from all aspects of the industry.
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The AQUACULTURE NEWS portal
The AQUACULTURE NEWS portal scours the web automatically to bring you content about aquaculture. Simply pick a topic from the expansive list provided, and choose between a myriad of stories found on the entire web that day!
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http://www.aquafeed.co.uk/aquaculturenews
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In our NEXT issue ...
Coming up in July | August 2013
Feed Processing:
Extrusion
Feed Formulation:
Fibre
Nutrition:
Minerals
Issue Focus:
Catfish
Non-Consumables:
Crocodiles and alligators
Feed equipment:
Fine particle filtration
systems
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http://www.aquafeed.co.uk/editorial.php
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Industry Event News
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The 7th International Symposium on Sturgeon
The 7th International Symposium on Sturgeon will be held at the beautiful Vancouver Island Convention Centre in the heart of Nanaimo. July 22-24, 2013. The ISS7 meeting title - Sturgeon Science and Society at the Crossroads: Meeting the Challenges of the 21st Century reflects the ongoing tension between economic development and sturgeon conservation which is at play not only in China but in many countries from around the world. The ISS7 tradeshow represents a great opportunity to display products, services and technologies to an expected 600-delegates/potential customers from around the globe. These events only happen every four years and this is your chance to access a unique clientele and a premier scientific conference. For more information about the symposium visit http://iss7.viu.ca
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Aquaculture EuropeAquaculture Europe is the annual event organised by the European Aquaculture Society (EAS). It brings together participants to present the latest research and network through its international conference, trade exhibition, industry forum and various other events. Aquaculture Europe also provides a platform for other meetings and workshops, making it the annual centre point of European aquaculture. More information about Aquaculture Europe can be found at http://www.easonline.org
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BioMarine Convention 2013
The 2013 Convention in Halifax will focus on aquaculture, aquafeed, marine bio resources, marine biotechnologies and marine natural products. Key representatives of the Canadian government, Ireland, Monaco, Norway and Portugal will attend BioMarine in Halifax, as well as a US delegation led by Max T. Holtzman, Senior Advisor of the US Secretary of Agriculture. The official launch of the BioMarine International Clusters Association (BICA) will be announced, to champion marine bio resources and their sustainable and innovative utilsation. Halifax will also be the place to discuss the launch of a future BioMarine Blue fund dedicated to marine bio resources at large and aquaculture. For more information visit http://www.biomarine.org
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IV Latin American Conference of Indigenous SpeciesVillavicencio, Colombia will be the regional Capital of Aquaculture from October 8 - 11th 2013. The IV Latin American Conference of Indigenous Species, the XIX Aquaculture Day of the University of los Llanos, the Latin American and Caribbean Aquaculture (LACQUA 13) and the VI Aquaculture Forum that will take place simultaneously in Colombia, generated much interest between the scientific community, the producers and the expositors that were at the World Aquaculture Society Meeting in Nashville, on February of this year. Everybody wants to be whiteness of how Colombian aquaculture will advance at an accelerated pace in the near future. More information on the conference and trade show on www.was.org.
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Aquaculture Asia Pacific 2013Aquaculture Asia Pacific 2013 will bring together all Vietnamese and International Aquaculture experts. The conference will focus on major aquaculture topics with a trade showcase of new products and services available to the industry. More information available at: www.was.org
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Aquafeed event register
Keep up to date with industry events while on the go. The 'Event register' is available on our mobile app - bringing you all of the up to date event information as and when it happens. Visit: www.perendale.com on you mobile to find out more. |
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