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Hi, I have a problem with the bulk density of the aquafeed. Recently we take some changes in our production process to increase the quality of the aquafeed. We put steam and water at 80 °C in the pre conditioner, and a 0.5/1.5 of oil. We add 23% of water and 7% of steam We reduce the speed of shaft to increase the retention time. We take also another die with higher open area to have less pressure to the die. The outgoing pellet from the extruder sink, but in the final product we have...
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Raw Materials Traditionally the most popular raw material for production of textured vegetable proteins in an extrusion system has been slightly toasted defatted soy flour. This defatted soy flour usually meets the following characteristics: 50% protein minimum, 3.5% fiber maximum, 1.5% fat maximum and PDI of 60 to 70. Soy flour with these specifications allows controllable production...
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Joe Kearns (JPK Consulting) discusses different factors involved in the production of aquafeed, during FIGAP 2022 in Guadalajara, Mexico....
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PROJECT FEASIBILITY You have seen the great studies and want to explore purchasing an extrusion facility, but don’t know where to start. This quick read outlines how to calculate the financial feasibility while considering the value of the meal and oil that is produced. PLANT FAQ’S &...
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In previous blogs , we discussed the process and benefits of extruded rice bran and how extrusion improves digestibility of rice bran in broilers. Today I will review the global demand along with the economic feasibility for purchasing a rice bran stabilization facility. For the past 2 years, the global market for rice bran has...
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Extrusion Technologies for Aquafeed and Pet Food at FIGAP 2026
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Equipment failure is costly because of repair expenses, interrupted production, and the risk of injury. In this blog I will highlight ways you can mitigate the risk of your line stopping unexpectedly. To begin with, it is important to ensure that your machine operators are trained and that they are running the equipment correctly. Keep a record of who...
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Over the years, I’ve had the opportunity to view extruder/press lines with various auxiliary equipment at many locations all over the world. Many of them are well thought-out, with much consideration being given to maximizing space and adding multiple lines in the future to facilitate growth. Every situation is different and has...
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I have seen plants varying in size, extruding several different products, and using several different pieces of equipment throughout the process. Yet, the problem that I see most frequently is lack of maintenance and cleaning of the equipment which should be high on your priority list. This is not only about the main processing equipment such as Extruders and...
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Rob Strathman (Famsun) discusses how to achieve safe and efficient production of aquafeed and pet food, during FIGAP 2022 in Guadalajara, Mexico....
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The ExPress® process, using equipment and know-how from Insta-Pro International, is unique; but why does this matter? First, it does not involve the use of chemicals, like solvents (such as hexane), to extract essentially all the oil from soybeans making it sustainable and a scalable alternative to hexane. Also,...
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Edible oils obtained from oilseeds such as soybeans and canola are used during the frying foods, and as ingredients in the preparation of pastries and condiments. Edible oils can also be used to improve the texture and flavor of food. Before the oil can be processed into a usable form it is first extracted from the oilseed. While Super-critical Fluid...
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In Part 1 we discussed the basic design components of an extruder. In Part 2, we will dive deeper into the importance of extrusion cooking technology essentially combining extrusion and cooking in one unit operation. The heat for the cooking process can be supplied from external sources (by heating the extruder barrel or...
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Extrusion Technologies for Aquafeed and Pet Food at FIGAP 2026
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Cooking of foods is an everyday operation that finds usefulness in both domestic and commercial settings. In cooking, heat is used to prepare food for consumption. There are several reasons for cooking but at its core, cooking converts food into a more digestible form. This improved digestibility means that the calories and nutrients...
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Overview – What Is Extrusion? The word extrusion means shaping a material or a blend of materials that can be plasticized (able to be melted and become fluid-like), and is pumpable by forcing through a restricted opening or die . The versatility of the process is evident in its ability to produce different types of foods. The power of the process can be further appreciated by its ability to create foods of varying textures...
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Today I would like to discuss the basics of how an extrusion facility works and how to calculate if the facility will be financially feasible. In this scenario, we will consider all the meal and oil produced is sold into the meal market. For starters, let’s say you are begin from scratch. You will need to invest in land, a building, and...
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Joe Kearns, Aquaculture Process Engineering Manager at Wenger Manufacturing, Inc., talks about latest developments Wenger has made regarding Aquaculture Products at Victam 2012. ...
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We trial products with high fat. The fat before extruding around 7-8%. Using a single screw with high shear screw configuration and with die design for floating fish. The issue with the product is the size between the front and end is not symmetrical. What is the root cause of this issue? Is that from machine process or raw material? ...
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