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Comparative evaluation of the efficacy of cereal and microbial phytases in growing pigs fed diets with marginal phosphorus supply


Comparative evaluation of the efficacy of cereal and microbial phytases in growing pigs fed diets with marginal phosphorus supply



Journal of the Science of Food and Agriculture 82(11): 1298-1304



ISSN/ISBN: 0022-5142

DOI: 10.1002/jsfa.1190

Two experiments with a total of 76 growing pigs (average initial body weight 16.6kg) were conducted to compare the efficacy of cereal phytases (wheat and rye) and supplemented microbial phytase (Natuphos). Using the slope ratio technique, the dose-response relationship between five levels of phytase (0, 50, 100, 150 and 200 U kg-1) and the apparent absorption of phosphorus (P) within each source of phytase was calculated.

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Accession: 003685240

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