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Improvement of phosphorus availability by microbial phytase in broilers and pigs
Open accessAbstract
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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Citations
Cited by
Havenstein, G., Ferket, P., & Qureshi, M. (2003) · Poultry Science · doi:10.1093/ps/82.10.1500 · Cited by 861
de Lange, C. F. M., Pluske, J., Gong, J., & Nyachoti, C. M. (2010) · Livestock Science · doi:10.1016/j.livsci.2010.06.117 · Cited by 373
Chemistry and Nutritional Value of Soybean Components
Liu, K. (1997) · Soybeans · doi:10.1007/978-1-4615-1763-4_2 · Cited by 259
Cromwell, G. L. (2013) · Sustainable Swine Nutrition · doi:10.1002/9781118491454.ch13 · Cited by 8
Metadata
- Authors
- Simons, P. C. M., Versteegh, H. A. J., Jongbloed, A. W., Kemme, P. A., Slump, P., Bos, K. D., Wolters, M. G. E., Beudeker, R. F., & Verschoor, G. J.
- Venue
- British Journal of Nutrition
- Publisher
- Cambridge University Press (CUP)
- Published
- 1990-09
- Volume
- 64
- Issue
- 2
- Pages
- 525-540
- ISSN
- 0007-1145 (ISSN-L)
- 1475-2662
- OpenAlex
- W2111281542
- Cited by
- 787
- References
- 0
- FWCI
- 18.67
- Type
- journal article
- Language
- en
- Open access
- bronze
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- CoChat. (2026). Citation check: Improvement of phosphorus availability by microbial phytase in broilers and pigs. https://app.cochat.ai/papers/10.1079/bjn19900052
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- Simons, P. C. M., Versteegh, H. A. J., Jongbloed, A. W., Kemme, P. A., Slump, P., Bos, K. D., Wolters, M. G. E., Beudeker, R. F., & Verschoor, G. J. (1990). Improvement of phosphorus availability by microbial phytase in broilers and pigs. British Journal of Nutrition. https://doi.org/10.1079/bjn19900052
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