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ARI Volume 2 Number 1.pdf - Zoo-unn.org

ARI Volume 2 Number 1.pdf - Zoo-unn.org

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UCHEWA, Emmanuel Nwafoagu et al. 274NASI, M. (1990). Microbial phytase supplementationfor improving availability ofplant phosphorus in the diet of thegrowing pigs. Journal of AgriculturalScience, 62: 435 – 443.PEELER, H. T. (1972). Biological availability ofnutrients in feed. Availability of majormineral ions. Journal of Animal Science ,35: 695 – 699.QIAN, H. E., KORNEGAY, T. and DENBOW, D. M.(1996). Phosphorus equivalence ofmicrobial phytase in Turkey diets asinfluenced by calcium to phosphorusratios and phosphorus levels. PoultryScience, 75: 69 – 81.SCHONER, B. R. J., HOPPE, P. P., SCHWARZ, G.and WIEESCHE, H. (1991). Comparativeeffects of microbial phytase and in<strong>org</strong>anicphosphorus on performance and retentionof phosphorus, calcium and crude ash inbroilers. Journal of Animal Nutrition, 66:248 – 255.SCHONER, B. R. J., HOPPE, P. P., SCHWARZ, G.and WIEESCHE, H. (1993). Effects ofmicrobial phytase and in<strong>org</strong>anicphosphorus in broiler chickens:performance and mineral retention atvarious calcium levels. Journal of AnimalNutrition. 69: 235 – 244.SIMONS, P. C. M. and VERSTEEGH, H. A. J.(1992). The effect of the addition ofmicrobial phytase to layer feed on thetechnical result and skeleton and eggshellquality. Spelderholt Publication, No. 568:223 – 231.SIMONS, P. C. M., JONGBLOED, A. W.,VERSTEEGH, H. A. J., SLUMP, P., BOSS,K. D., WOLTERS, M. G. E., BENDEKER, R.F. and VERSCHOOR, G. J. (1990).Improvement of phosphorus availabilityby microbial phytase in broiler and pigs.British Journal of Nutrition, 64: 525 – 540.SWICK, R. A. and IVEY, F. J. (1990). Effect ofdietary phytase addition on broilerperformance in phosphorus deficientdiets, Poultry Science, 69: 133 – 142.TAMMINGA, S. and VERSTEGEN, M. W. A. (1992).Implications of nutrition of animals onenvironmental pollution. Pages 342 – 351.In: GARNSWORTHY, P. C., HARESIGN, W.and COLE, D. J .A. (Eds). RecentAdvances in Animal Nutrition. NottinghamUniversity Press. Nottingham.TAYLOR, A. J., COLE, D. J. A. and LEWIS, D.(1979). The effect of crystalline lysine inthe utilization of dietary protein by pigs.Journal o f Animal Science, 65: 481 – 487.VANKLOOSTER, C. E., van der PEET-SCHWERING,C. M. C., AARNINK, A. J. A. and LENIS, N.P. (1998). Pollution issues in pigoperations and the influence of nutrition,housing and manure handling. Pages 507– 518. In: WISEMAN, J., VARLEY, M. Aand CHADWICK, J. P. (Eds). Progress inPig Science. Nottingham University Press,Nottingham,VAN DER PEET-SCHWERING, C. M. C., VERDOES,N., VOERMANS, M. P and BEELEN, G. M.(1996). Animal Nutrition and ammoniaemission. Pages 618 – 626. In: VAN DERAAR, P. J., AARNINK, A. J. A., BLOK, M. Cand VAN VUUREN, A. M. (Eds). State ofthe art in research. The Netherlands.YI, Z., KORNEGAY, E. T. and DENBOW, D. M.(1996). Improving phytate phosphorusavailability in corn and soybean meal forbroilers using microbial phytase andcalculation of phosphorus equivalencyvalues for phytase. Poultry Science, 75:240 – 249.

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