Wednesday, March 30, 2011

Feed blocks brings Nutrition to big broodstock

Feeding a large halibut, such as broodstock fish, can be a challenge. While extrusion methods are good there is a limit to size. The answer according to Skretting is to make lots of smaller pellets and then stick them together into a larger block.

While extrusion methods are good at preserving the nutrition in feed pellets there is a limit to size. Above 17 mm in diameter pellets become unstable and tend to fall apart. But a 17-mm pellet just isn’t large enough to attract the attention of the somewhat laid back halibut. The answer according to Skretting is to make lots of smaller pellets and then stick them together into a larger block. The same method is proving successful in wrasse farming. Read more ...

This blog is written by Martin Little The Aquaculturists, published and supported by the International Aquafeed Magazine from Perendale Publishers.



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