Navigation Links
New product to replace fishmeal could help prevent global food shortage
Date:5/15/2012

Scientists at the University of Liverpool are developing a new plant-based product that could replace fishmeal, reducing the need for farmers to feed fish to other fish at a time when more than 90% of EU waters are at risk from overfishing.

It is estimated that in order to satisfy consumer need for fish in an expanding human population, the UK market would need to increase supplies by more than 1.9 million tonnes by 2035.

Currently farmed fish, such as salmon, are fed food containing fishmeal, which means that several kilograms of wild fish are consumed to produce one kilogram of farmed fish. This has fuelled concerns that there could be a global shortage of fish in the next 20 years.

To help sustain fish stocks, the aquaculture industry is working towards replacing fishmeal with plant proteins, such as soya. The difficulty with this approach, however, is that many plants contain anti-nutrients that prevent digestive enzymes from working, resulting in poor digestion and failure to absorb important nutrients.

Scientists at the University of Liverpool are now leading a consortium including University of the Highlands and Islands; international feed manufacturer, Skretting; the UK's leading supplier of farmed sea bass, Anglesey Aquaculture; and University of Nottingham based company, Eminate, to resolve this issue by fermenting plant protein sources, which will use 'good bacteria' to predigest food and make nutrients more available for absorption in the gut.

Dr Iain Young, from the University's Institute of Integrative Biology, explains: "Using fishmeal means that you are feeding fish to fish. With the increasing demand for fish, in a human population that is set to reach just over nine billion in the next 20 years, this approach will continue to deplete fish stocks. Food based on soya and other beans has been tested as a possible replacement for fishmeal, but unfortunately carnivorous fish don't maintain good overall health on a diet of plant protein.

"Studies have shown that fish, such as salmon and sea bass, eat less of the plant protein product and don't grow as fast. Their flesh does not receive the necessary levels of Omega-3 fatty acids, which are a key component of human nutrition. The food also contains anti-nutrients that cause difficulties with digestion and absorption of nutrients, as well as toxins that can build up in the fish."

Solutions to this problem include preheating the plant protein to break down the toxins and anti-nutrients, but this is a costly method to sustain. Fermentation techniques, however, have proved cost-effective in agriculture and other industries and so the Liverpool team aim to exploit this to replace up to 15% of fishmeal, representing fish sales of approximately 14 million.

Dr Young continued: "Fermentation methods could predigest the toxins and anti-nutrients in plant protein food, making it easier for the fish to absorb and maintain overall good health. It will help resolve current technical limitations of the product and address the concerns about overfishing and food shortage in the years to come."


'/>"/>

Contact: Samantha Martin
samantha.martin@liv.ac.uk
44-151-794-2248
University of Liverpool
Source:Eurekalert

Related biology news :

1. Cellular secrets of plant fatty acid production understood
2. Discovery of plant proteins may boost agricultural yields and biofuel production
3. WanderID Launches Breakthrough ID Product for Children, Seniors
4. Testosterone-fuelled infantile males might be a product of Moms behaviour
5. Higher risk of birth defects from assisted reproduction
6. Plant diversity is key to maintaining productive vegetation, U of M study shows
7. WPI team scales-up production of biopolymer microthreads
8. Global prices of pollination-dependent products such as coffee could rise in the long term
9. How the ecological risks of extended bioenergy production can be reduced
10. Sexual reproduction brings long-term benefits, study shows
11. New synthetic biology technique boosts microbial production of diesel fuel
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:4/11/2017)... -- NXT-ID, Inc. (NASDAQ:   NXTD ) ("NXT-ID" ... of independent Directors Mr. Robin D. Richards and ... furthering the company,s corporate governance and expertise. ... Gino Pereira , Chief Executive Officer ... guidance and benefiting from their considerable expertise as we move ...
(Date:4/5/2017)... April 5, 2017  The Allen Institute for Cell ... Explorer: a one-of-a-kind portal and dynamic digital window into ... data, the first application of deep learning to create ... cell lines and a growing suite of powerful tools. ... these and future publicly available resources created and shared ...
(Date:4/5/2017)... -- KEY FINDINGS The global market for ... of 25.76% during the forecast period of 2017-2025. The ... the growth of the stem cell market. ... INSIGHTS The global stem cell market is segmented on ... stem cell market of the product is segmented into ...
Breaking Biology News(10 mins):
(Date:10/10/2017)... ... 10, 2017 , ... For the second time in three ... Mentoring Award. Representatives of the FirstHand program travelled to Washington, D.C. Tuesday, October ... US2020’s mission is to change the trajectory of STEM education in America by ...
(Date:10/10/2017)... 10, 2017 International research firm Parks Associates announced ... at the TMA 2017 Annual Meeting , October 11 in ... residential home security market and how smart safety and security products impact ... Parks Associates: Smart Home ... "The residential security market has ...
(Date:10/10/2017)... ... October 10, 2017 , ... ... optimization firm for the life sciences and healthcare industries, announces a presentation by ... Francisco. , The presentation, “Automating GxP Validation for Agile Cloud Platforms,” will present ...
(Date:10/9/2017)... 9, 2017  BioTech Holdings announced today identification ... its ProCell stem cell therapy prevents limb loss ... Company, demonstrated that treatment with ProCell resulted in ... as compared to standard bone marrow stem cell ... in reduction of therapeutic effect.  ...
Breaking Biology Technology: