Contact
Georges Lamborelle
Station manager of Matís Aquaculture Research Station
georges@matis.is
This report is closed
Author: Kristín Edda Gylfadóttir
Contact
Georges Lamborelle
Station manager of Matís Aquaculture Research Station
georges@matis.is
This report is closed
Contact
Georges Lamborelle
Station manager of Matís Aquaculture Research Station
georges@matis.is
This report is closed
Contact
Georges Lamborelle
Station manager of Matís Aquaculture Research Station
georges@matis.is
This report is closed
Contact
Georges Lamborelle
Station manager of Matís Aquaculture Research Station
georges@matis.is
This report is closed
Contact
Guðjón Þorkelsson
Strategic Scientist
gudjon.thorkelsson@matis.is
Information on the Meat Standards Australia (MSA) quality and marketing system for lamb was compiled and their consumer testing methodology was tested and compared with conventional sensory evaluation of fresh and thawed lamb loin muscles. The fresh meat was both lighter and redder than the thawed meat. This is important in retail when consumers choose meat for cooking. Shrinkage during storage and shrinkage during heating was much greater in the thawed meat. The fresh meat had more softness, tenderness and juiciness than the thawed meat. The frozen/thawed meat was not tenderized like the fresh meat. This shows the importance of wasting before or after freezing. However, there was no difference in consumer ratings of tenderness, juiciness, taste and overall palatability between fresh and thawed lamb. The assurance of taste quality through the management of critical control points, the differentiation of meat carcasses, cuts and muscles and pricing and labeling according to taste quality are fundamental aspects of MSA's activities. The system was established in response to declining sales and consumer dissatisfaction with the taste of the meat, but also to reach new target groups of consumers who are willing to pay a higher price for high quality, thus contributing to increased value in the lamb value chain. There should be opportunities here in the entire value chain of lamb meat in Iceland.
Information on Meat Standards Australia (MSA) cut based lamb classification and marketing scheme were collected and analyzed. MSA consumer testing protocol was tried on fresh and frozen lamb loins and compared with traditional sensory analysis. The fresh loin muscles had a lighter and redder color than the thawed loins. The thawed loins had higher storage and cooking loss. The fresh loins were in sensory analysis softer, more tender, and juicier. The thawed meat was not aged before heating whereas the fresh meat was aged for 6 days. This shows the importance of aging the meat before freezing or after thawing. This was not demonstrated in consumer testing where there was no difference between fresh and thawed meat in tenderness, juiciness, flavor and overall liking.
The MSA cut and cooking method based scheme was developed through collaboration between industry and research by defining best practices through the identification and monitoring of critical control points for eating quality. It covers all aspects of the supply chain from producers, processors, and retailers to food service operators. This allows product quality to be improved and match customer requirements. The MSA schemes for both beef and lamb were designed to respond to declining sales and consumer complaints about variable and sometimes poor quality of the meat. It is also designed to classify meat based on eating quality and to identify consumer groups willing to pay more for high quality meat and thereby adding value to all links in the supply chain. This approach should also be applicable and create new opportunities to increase value in the lamb supply chain in Iceland.
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Contact
Ásta Heiðrún E. Pétursdóttir
Project Manager
asta.h.petursdottir@matis.is
In general, pesticides are used in order to promote more effective production of fruit and vegetables, but can be very harmful to people's health and the environment.
The goal of the project was to screen products on the Icelandic market for pesticide residues, compare the measured amounts in imported and Icelandic products, and to investigate whether there was a difference in the concentration of pesticide residues, heavy metals and nutrients in the exterior/skin of fruits and vegetables in comparison to their interior/flesh .
166 samples (fruits, berries, vegetables, salad, herbs and cereals) of Icelandic (42%) and imported products (58%) were screened for pesticide residues. In the sequel, the concentration of pesticides, nutrients and heavy metals in the skin and inside of products (n=44) was measured.
The results were that 49% of products on the Icelandic market contained pesticide residues, 61% of imported products and 31% of Icelandic products. However, their concentrations in samples were generally low and within the maximum permissible values in 94% samples. Fewer types of pesticides were found in Icelandic vegetables than in imported vegetables. There was a higher concentration of pesticide residues and heavy metals in the skins of fruits and vegetables compared to the contents. Then the skin of vegetables turned out to be more fibrous than the contents. In addition, Icelandic vegetables were richer in minerals and trace elements than imported vegetables.
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Contact
Davíð Gíslason
Project Manager
davidg@matis.is
The project development of microalgae feed for fish farming, which was a joint project between VAXA and Matís and funded for two years by the Technology Development Fund, has now been completed.
The aim of the project was to develop VAXA products as ingredients for fish feed in aquaculture. Several experiments were carried out with the aim of examining the usefulness of Nannochloropsis microalgae as an ingredient in fish feed. In these experiments, 1. The shelf life of fresh algae was examined, 2. How can the cell wall of the algae be weakened so that it becomes digestible for fish but otherwise it is indigestible, 3. The effect of fish feed with algae oil on the growth and salmon lice infection of salmon fry, 4. Growth and absorption of fatty acids and Omega 3 in salmon fingerlings fed a diet with algal oil. 5. Calculator for the absorption of Omega 3 in salmon fry. The results of the experiments were positive in many respects and greatly improved VAXA's knowledge of the possibilities of using Nannochloropsis algae or products derived from it such as algae oil in fish feed.
VAXA uses the knowledge gained in the project to develop its products for use in salmon feed. Although Omega 3 fatty acids are present in various foods (mainly fish), salmon is considered one of the best sources of these fatty acids. The fish farming industry has been looking for ways to reduce their use of fishmeal and fish oil for salmon feed, which has caused Omega 3 levels in farmed salmon to drop. In this research project, for the first time, sustainable photosynthetic algae have been successfully used for the production of Omega 3 for salmon feed. The results of the project demonstrate the feasibility of this approach for the production of Omega 3 rich salmon feed. The good results of the project will help VAXA to market the algae oil from its production as an alternative Omega 3 rich ingredient for salmon feed instead of fishmeal and fish oil in the salmon feed of the future.
The report is closed.
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Sæmundur Elíasson
Project Manager
saemundur.eliasson@matis.is
The workshop on value added processing of farmed fish in the Nordics explored options and assessed the feasibility of value added production in the region. It brought together 45 participants from various sectors, including salmon farms, sales and marketing, technical and processing equipment developers, research groups, and transport and freight companies. The project was supported by AG-Fisk and managed by a team of industry experts from Iceland, Norway, the Faroe Islands, and Denmark/Germany. The planning group then compiled a final report using a SWOT analysis to present the workshop's main conclusions. Presentations from the workshop are accessible in the report appendix.
The SWOT analysis concluded that the main positive factors for the Nordic salmon industry include favorable farming conditions that can provide steady delivery and the ability to build a strong brand in terms of origin and identity. A major strength identified for secondary processing in the Nordics is the strong demand for high-quality, sustainably-produced salmon. Other strengths include the strict farming regulations to minimize environmental impact and improve animal welfare, as well as the potential for vertical integration to improve transparency and control over the entire production process. Specifically, for Iceland the access to renewable energy is a major strength. Automation and technology access, with the use of water-jet robots to remove pinbones and automatic sorting, grading, and trimming providing opportunities for objective quality control and increased efficiency. Superchilling techniques were also identified as a potential advantage, allowing for longer shelf-life and a firmer product with less gaping. There were also opportunities for increased utilization of side products from salmon processing, as well as the potential for branded, value added products and better market segmentation.
The main negative factors include logistic and shelf-life limitations, unfavorable tariffs on trade, and high production costs compared to competitors. Major challenges identified specifically for Iceland are to maintain a steady, year-round supply of salmon and the distance to major retail chains. Logistics and transportation costs were also identified as important barriers for companies operating in Iceland and The Faroe Islands.
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Sæmundur Sveinsson
Research Group Leader
saemundurs@matis.is
Analysis of the Prnp gene is an important part of Icelandic sheep breeding. Certain genetic variations in the rubella gene give individuals increased resistance to rubella, while others increase susceptibility to the disease. Information about the genetic composition of Prnp in sheep flocks is therefore an extremely important tool in farmers' fight against the disease. The aim of the project was to increase the performance and reduce the price of riðügen analysis in Iceland. In the project, a total of 1,913 samples from around 150 farms were analyzed at Matís genetics laboratory. The support that the project received from the Development Fund for Sheep Breeding was crucial for Matís to be able to offer a competitive price to farmers, which resulted in almost doubling the number of analyzed samples compared to the year 2021. This genetic information will be useful for the breeding work of sheep breeding as a whole and will most likely lead to increased resistance to scab in Icelandic sheep.