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Improvement of phosphorus availability by microbial phytase in broilers and pigs

  • P. C. M. Simons (a1), H. A. J. Versteegh (a1), A. W. Jongbloed (a2), P. A. Kemme (a2), P. Slump (a3), K. D. Bos (a3), M. G. E. Wolters (a3), R. F. Beudeker (a4) and G. J. Verschoor (a4)...

Abstract

Techniques have been developed to produce microbial phytase for addition to diets for simple-stomached animals, with the aim to improve phosphorus availability from phytate-P in plant sources. The activity of the crude microbial phytase showed pH optima at pH 5.5 and 2.5. The enzyme was able to degrade phytate in vitro in soya-bean meal, maize and a liquid compound feed for pigs. When microbial phytase was added to low-P diets for broilers the availability of P increased to over 60% and the amount of P in the droppings decreased by 50%. The growth rate and feed conversion ratio on the low-P diets containing microbial phytase were comparable to or even better than those obtained on control diets. Addition of microbial phytase to diets for growing pigs increased the apparent absorbability of P by 24%. The amount of P in the faeces was 35% lower.

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References

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Cawley, R. W. & Mitchell, T. A. (1968). Inhibition of wheat a-amylase by bran phytic acid. Journal of the Science of Food and Agriculture 19, 106108.
Chapple, R. P., Yen, J. T. & Veum, T. L. (1979). Effect of phosphorus levels and live yeast culture on phosphorus utilization in heavy finishing pigs. Journal of Animal Science 49, Suppl. 1, 99100 Abstr.
Cromwell, G. L. & Stahly, T. S. (1978). Study finds live yeast ineffective for swine use. Feedstuffs 50, 14.
Jongbloed, A. W. (1987). Phosphorus in the feeding of pigs. Effect of diet on the absorption of phosphorus by growing pigs. PhD Thesis, IVVO Lelystad.
Knuckles, B. E. & Betschart, A. A. (1987). Effect of phytate and other myo-inositol phosphate esters on α-amylase digestion of starch. Journal of Food Science 52, 719721.
Nelson, T. S., Shieh, T. R., Wodzinski, R. J. & Ware, J. H. (1968). The availability of phytate phosphorus in soya bean meal before and after treatment with a mold phytase. Poultry Science 47, 18421848.
Nelson, T. S., Shieh, T. R., Wodzinski, R. J. & Ware, J. H. (1971). Effect of supplemental phytase on the utilization of phytate phosphorus by chicks. Journal of Nutrition 101, 12891293.
Olsen, S. R. & Sommers, L. E. (1982). Phosphorus. In Methods of Soil Analysis, Part 2, Chemical and Microbiological Properties, pp. 403430 [Page, A. L., Miller, R. H. and Keeney, D. R., editors]. Madison, Wisconsin.
Oshima, M., Taylor, T. G. & Williams, A. (1964). Variations in the concentration of phytic acid in the blood of the domestic fowl. Biochemical Journal 92, 4246.
Phillippy, B. Q. & Johnston, M. R. (1985). Determination of phytic acid in foods by ion chromatography with post-column derivatization. Journal of Food Science 50, 541542.
Shurson, G. C., Ku, P. K. & Miller, E. R. (1984). Evaluation of a yeast phytase product for improving phytate phosphorus bioavailability in swine diets. Journal of Animal Science 59, Suppl. 1, 106 Abstr.
Wise, A. (1983). Dietary factors determining the biological activities of phytase. Nutrition Abstracts and Reviews 53, 791806.

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