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February 20, 2014


Thai Union Feed Mill Studies Extruded Shrimp Feed


Thai Union Feed Mill Company, Ltd., a division of Thai Union, one of the largest seafood exporters in the world, is studying extrusion technology for the production of premium shrimp feeds.  The research is aimed at increasing the nutrient digestibility of feeds intended for young shrimp, at reducing nutrient loss due to water solubility and at decreasing the amount of dust and fines in shrimp feeds.  Additionally, the technology allows it to use a wider range of raw materials in its shrimp feeds.


Thai Union Feedmill is also studying the use of enzymes in fish and shrimp feeds to increase nutrient digestion and maximize nutrient utilization in fish and shrimp.  Application of enzymes also makes it possible to reduce the amount of fish meal in aqua feeds.


Bunluesak Sorajjakit, managing director of Thai Union Feedmill, said, “We apply enzymes in the feed through a coating process, and this way the enzyme efficacy remains intact.”


In late 2013, Thai Union Feedmill installed a feed extruder—produced by USA-based Wenger Manufacturingat its feed mill in Samutsakhon Province, about 90km west of Bangkok.


Information: Joe Kearns, Wenger Manufacturing, Inc., 714 Main Street, Sabetha, Kansas 66534, USA (phone +1-785-284-2133, fax 1-785-284-3771, email wenger!kc!, webpage


Information: Bunluesak Sorajjakit, Thai Union Feed Mill Co., Ltd., 89/1 Moo 2, RamaII Rd., Kalong, Muang Samut Sakhon, Samutsakhon 74000 Thailand (phone +66-0-3441 8113, fax +66-0-3484 5392, email, webpage


Source: (a free, online newsletter about the feeds used in fish and shellfish farming).  Editor, Suzi Fraser Dominy (  Thai Union Feedmill Studies Extruded Shrimp Feed.  Issue 7, Volume 14, February 20, 2014.

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