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February 18, 2014


Taiwan Hung Kuo Industrial’s Extruded Feeds


Taiwan Hung Kuo Industrial, Co. Ltd., is a well-known aqua feed producer and supplier of larval feeds for marine fish hatcheries in Taiwan, Southeast Asia, Korea, Japan, Europe and China’s Shandong Province.  It is also a leading supplier of shrimp growout feeds for tiger shrimp (Penaeus monodon) in Australia.  Ken Hung, director and export manager, said, “Today, it focuses on expanding sales and becoming a major player in China’s developing intensive shrimp farming business with its Lucky Star extruded feeds.”


In 1992, the company established a feed mill in Xiamen, China, its first feed mill outside Taiwan.  The range of feeds produced by Hung Kuo includes fish and shrimp larval diets, broodstock feeds and nursery feeds with sales in 15 countries.  Shrimp larval feeds are mainly marketed in the Middle East, Vietnam and Southeast Asia.  Hung Kuo Industrial is noted as the first company to produce shrimp feeds using extrusion technology, which according to Hung yields a good feed conversion ratio (FCR) and results in less feed waste.


At its research base located 1.5 hours from Xiamen, Lucky Star feeds are tested for their advantages over pelleted feeds.  Hung said, “In comparison with steam pressed pellets, the water stability is better.  It is about 2-3 hours with pelleted feeds and more than 20 hours with our extruded feeds.  Leaching of nutrients is also higher with pelleted feeds.  In the first 1-2 months of growout, the benefits may not be evident, but at a later stage, with continuous feeding, the bacterial load is much lower with extruded feeds than with pelleted feeds.”


FCRs from extruded feeds can be 10 to 20% better than those from pelleted feeds.  In addition, extruded feeds do not have the usual problems associated with pelleted feeds, like high levels of dust and broken pellets.  Tie Teck Lok, general manager Taiwan Hung Kuo Industrial, who oversees marketing in China, says, “Our crumble feeds are free of dust.  We have noticed the higher stability of feeds in feed trays, which allows farmers to easily see the pellets.  ...Price is our main hurdle as extrusion technology is a more costly process, so extruded feeds cost more per metric ton.  We conduct trials to convince farmers to make the change, and we demonstrated to them the benefits of extruded feeds, like the improvement in FCRs of 0.2 to 0.4 points.”


Hung added, “The...extruder cooks the raw materials in the feed.  The pre-conditioner cooks the starch well and thus we do not need to use an artificial binder.  We do not use land animal proteins in our feeds, which is a requirement for feed imports into Australia.  We still use fishmeal and have been conservative in replacing fishmeal with plant proteins.  Although the levels of fishmeal have been reduced, it is still higher than in competitors’ feeds.”


Source: AQUA Culture AsiaPacific (Editor/Publisher, Zuridah Merican, email  Expanding the Supply of Extruded Shrimp Feeds Into China’s Market.    Volume 10, Number 1, Page 53, January/February 2014.

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