Effect of yeast phytase on phosphorus absorption in pigs fed a corn-soybean meal based diet
1999
Tamura, A. (Kyoto Univ. (Japan)) | Matsui, T. | Yano, H.
Six male pigs (Goettingen) aged 11 months were allotted to a 6X6 Latin square design. Pigs were fed a diet containing a sufficient amount of phosphorus (P-sufficient diet) or a phosphorus deficient diet (basal diet). The basal diet was supplemented with 0, 1,000, 2,000 or 4,000 phytase unit (PU)/kg of yeast phytase, or 1,000 PU/kg of Aspergillus niger phytase. Apparent absorption of phosphorus was increased (P0.05) by the supplementation of 2,000 and 4,000 PU/kg of yeast phytase. Although phosphorus absorption in pigs given 1,000 PU/kg of Aspergillus niger phytase did not differ significantly from those given 2,000 PU/kg of yeast phytase, the pigs given 1,000 PU/kg of Aspergillus niger phytase tended to absorb more phosphorus than did the pigs given 1,000 PU/kg of yeast phytase (P
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