King prawns are enjoying increasing popularity world-wide. They are delicious and a protein-packed alternative in our diet. However from an ecological perspective and in terms of health, they should be consumed with caution, since the farming process can be problematic.
Ecocide and the use of antibiotics are often associated with the production of prawns, even if the situation in conventional prawn farming has already slightly improved. Although prawns certified as organic are admittedly more expensive, they are environmentally friendly, free of drugs and taste far better.
Within BioHatch, a research project coordinated by ttz Bremerhaven, a research service provider, work is being undertaken to give this better product better competitiveness too. The objective of the project, which is co-financed by Germany's Federal Ministry of Economics and Technology, is the technical development, planning and construction of a pilot plant for the efficient and ecological farming of king prawns in Bangladesh.
The focus of BioHatch lies in the complex breeding of the larvae. The problem here is that the larvae do not grow up in brackish water like their older siblings, but instead require pure seawater during the first phase of their life. The two types of water are however generally a long distance apart. In order to find a solution to this complicated situation, ttz Bremerhaven, WAB Trading International GmbH, and the Gesellschaft für Marine Aquakultur (GMA) mbH are working closely together on the BioHatch project. In the framework of three sub-projects, individual components for a larvae hatchery are being developed: a customised salt water supply on the basis of electrodialysis and photovoltaics (ttz Bremerhaven), water treatment via biofiltration (WAB), and sustainable induction of spawning and egg maturation through light and temperature protocols (GMA). After the integration of these three individual components in the target region of Kaliganj, Bangladesh, the aim is for the new technology to be further developed to production scale and then marketed.
BioHatch aims to unite the strictest organic and social standards, for example such as those of "Naturland", with the highest possible level of profitability, since the weak point of organic prawns is their far higher retail price. However, if the price of the damage to nature and mankind were to be included when calculating the price for conventional production, then the sustainably produced goods would be far cheaper. Greenpeace and the WWF have also pointed to the clearing of ecologically important mangrove forests and water polluted from the use of antibiotics, as well as to chemical residues in many conventionally farmed prawns. For the consumer, "enjoyment without remorse" is becoming increasingly important, which is why this criticism is being taken very seriously by industry and politics.
One of the BioHatch partners, WAB Trading International GmbH, is already running the "Organic Shrimp Project" in Bangladesh, within which organic king prawns certified by Naturland are farmed and which are explicitly recommended in the Greenpeace Fish Guide. As a result of the new EU regulation No. 834/2007, the production of larvae in accordance with EU criteria for the organic production and labelling of organic products is obligatory from 2011 onwards. At present, no technology exists world-wide with which the larvae can be produced in an ecological way. An innovative process which complies to the new regulations must therefore be developed at a cost which is comparable to that of conventional methods. BioHatch was launched in February and is a two-year project co-financed by the Federal Ministry of Economics and Technology under ZIM (Central Innovation Programme).
ttz Bremerhaven regards itself as an innovative provider of research services and operates in the field of application-oriented research and development. Under the umbrella of ttz Bremerhaven, an international team of experts is working in the areas of food, environment, health and consulting services.Contact:
Christian Colmer | idw
Scientists team up on study to save endangered African penguins
16.11.2017 | Florida Atlantic University
Climate change: Urban trees are growing faster worldwide
13.11.2017 | Technische Universität München
The WHO reports an estimated 429,000 malaria deaths each year. The disease mostly affects tropical and subtropical regions and in particular the African continent. The Fraunhofer Institute for Silicate Research ISC teamed up with the Fraunhofer Institute for Molecular Biology and Applied Ecology IME and the Institute of Tropical Medicine at the University of Tübingen for a new test method to detect malaria parasites in blood. The idea of the research project “NanoFRET” is to develop a highly sensitive and reliable rapid diagnostic test so that patient treatment can begin as early as possible.
Malaria is caused by parasites transmitted by mosquito bite. The most dangerous form of malaria is malaria tropica. Left untreated, it is fatal in most cases....
The formation of stars in distant galaxies is still largely unexplored. For the first time, astron-omers at the University of Geneva have now been able to closely observe a star system six billion light-years away. In doing so, they are confirming earlier simulations made by the University of Zurich. One special effect is made possible by the multiple reflections of images that run through the cosmos like a snake.
Today, astronomers have a pretty accurate idea of how stars were formed in the recent cosmic past. But do these laws also apply to older galaxies? For around a...
Just because someone is smart and well-motivated doesn't mean he or she can learn the visual skills needed to excel at tasks like matching fingerprints, interpreting medical X-rays, keeping track of aircraft on radar displays or forensic face matching.
That is the implication of a new study which shows for the first time that there is a broad range of differences in people's visual ability and that these...
Computer Tomography (CT) is a standard procedure in hospitals, but so far, the technology has not been suitable for imaging extremely small objects. In PNAS, a team from the Technical University of Munich (TUM) describes a Nano-CT device that creates three-dimensional x-ray images at resolutions up to 100 nanometers. The first test application: Together with colleagues from the University of Kassel and Helmholtz-Zentrum Geesthacht the researchers analyzed the locomotory system of a velvet worm.
During a CT analysis, the object under investigation is x-rayed and a detector measures the respective amount of radiation absorbed from various angles....
The quantum world is fragile; error correction codes are needed to protect the information stored in a quantum object from the deteriorating effects of noise. Quantum physicists in Innsbruck have developed a protocol to pass quantum information between differently encoded building blocks of a future quantum computer, such as processors and memories. Scientists may use this protocol in the future to build a data bus for quantum computers. The researchers have published their work in the journal Nature Communications.
Future quantum computers will be able to solve problems where conventional computers fail today. We are still far away from any large-scale implementation,...
15.11.2017 | Event News
15.11.2017 | Event News
30.10.2017 | Event News
21.11.2017 | Physics and Astronomy
21.11.2017 | Physics and Astronomy
21.11.2017 | Life Sciences