Research: coated phytase benefits pig industry
New techniques have been developed to protect phytase
enzymes in feed against the detrimental effects of high temperatures during
pelleting, but does not limit enzyme release, Canadian research
Cutting-edge "Thermo Protection Technology" which protects phytase from the
adverse effects of high temperatures during feed conditioning and pelleting
represents an exciting step forward for the pig feed industry.
11th Biennial Conference of the Australasian Pig Science Association, Dr
Augustine Owusu-Asiedu of Dansico Animal Nutrition presented a paper entitled
'Bone mineralization and phosphorus digestibility in weaned pigs fed diets
containing thermostable phytase'.
Efficacy of phytase in
In this paper he outlined the results of a trial conducted by
the University of Alberta, Canada to determine whether coating a new-generation
bacteria-derived phytase to confer thermostability up to 90ÂºC had any
detrimental effects on the efficacy of the phytase in the pig.
trial 28 day old male weaned pigs were fed diets reduced in calcium and
phosphorus, and containing either the uncoated or coated new-generation
Liveweight gain, feed conversion ratio, phosphorus digestibility
and bone mineralisation were then measured after three weeks.
significant differences were found between pigs fed either the uncoated or the
coated phytase, confirming that the coating allows phytase to be released
effectively in the pig's gut.
â€¢ Danisco Animal Nutrition
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