P. Oldale

Effects of supplemental phytase on performance and phosphorus utilisation in broiler chickens fed a low phosphorus diet without addition of inorganic phosphates.

G. Rychen, J. Brož, C. S. Nunes, 1994, British poultry science.

Effects of Trichoderma viride enzyme complex on performance of broiler chickens receiving pelleted diets

J. Brož, P. Oldale, A. H. Perrin-Voltz, 1994 .