Eeckhout, W., De Paepe, M. and De Paepe, M. (1994) Total phosphorus, phytate-phosphorus and
phytase activity in plant feedstuffs. Animal Feed Science and Technology47, 19–29.
Elwinger, K. and Saterby, B. (1987) The use of -glucanase in practical broiler diets containing barley
or oats. Swedish Journal of Agricultural Research17, 133–139.
Feng, P., Hunt, W.W., Pritchard, G.T. and Julien, W.E. (1996) Effect of enzyme preparations on in situ
and in vitrodegradation and in vivodigestive characteristics of mature cool-season grass forage
in beef steers. Journal of Animal Science74, 1349–1357.
Francesch, M., Perez Vendrell, A.M., Esteve Garcia, E. and Brufau, J. (1995) Enzyme supplementation
of a barley and sunflower-based diet on laying hen performance. Journal of Applied Poultry
Research 4, 32–40.
Gorshkova, G.L. and Dvinin Yu, F. (1984) Effect of some enzyme preparations on growth and
chemical composition of tissues of two year old Coho salmon. Rybnoe, Khozyaistvo 8, 40–42.
Graham, H. (1991) Developments in the application of feed enzymes in layer and turkey diets. Feed
Compounder 11, 19–21.
Gruzauskas, R., Jeroch, H., Jeroch, K., Sirvydis, V., Danius, S. and Bobina, A. (1991) Effect of different
enzyme preparations on the performance of laying hens fed with a feed mixture based on barley.
Proceedings of International Conference ‘Industrial Enzymes, Probiotics and Biological
Additives’.Kaunas, pp. 32–35.
Han, Y.M., Roneker, K.R., Pond, W.G. and Lei, X.G. (1988) Adding wheat middlings, microbial
phytase, and citric acid to corn–soybean meal diets for growing pigs may replace inorganic
phosphorus supplementation. Journal of Animal Science76, 2655.
Hoppe, P.P., Schoner, F.J., Wiesche, H., Schwarz, G. and Safer, S. (1993) Phosphorus equivalency of
Aspergillus nigerphytase for piglets fed a grain soybean meal diet.Journal of Animal Physiology
and Animal Nutrition69, 225–234.
Inborr, J., Bedford, M.R., Patience, J.F., Classen, H.L. and Verstegen, M.W.A. (1991) The influence of
supplementary feed enzymes on nutrient disappearance and digesta characteristics in the GI-
tract of early weaned pigs. In: Huisman, J. and den Hartog, L.A. (eds) Digestive Physiology in
Pigs. Proceedings of the 5th International Symposium on Digestive Physiology in Pigs.
Wageningen (Doorwerth), The Netherlands, pp. 405–410.
Inborr, J. and Bedford, M.R. (1994) Stability of feed enzymes to steam pelleting during feed
processing. Animal Feed Science and Technology 46, 179–196.
Iotsius, G.P., Vasiliauskas, I.F. and Larbier, M. (1986) The influence of enzyme preparations added to
low crude protein all-mash feeds on laying hens performances. Seventh European Poultry
Conference1, 506–510.
Jeroch, H. (1991) Gerste als Futtermittel fur Legehennen. Archives of Tierzucht34, 581–590.
Jeroch, H., Danicke, S., Ebert, K., Siebecke Strempel, H. and Keller, T. (1995) Barley in poultry
nutrition especially of fowls. Ubersichten Zur Tierernahrung 23, 27–54.
Jongbloed, A.W. (1997) Digestibility of phosphorus in pig nutrition – experiences in The
Netherlands. Kraftfutter7–8, 319–324.
Kemme, P.A., Radcliffe, J.S., Jongbloed, A.W., Mroz, Z. and Beyen, A.C. (1997) The efficacy of
Aspergillus nigerphytase in rendering phytate phosphorus available for absorption in pigs is
influenced by pig physiological status. Journal of Animal Science75, 2129–2138.
Kolkovski, S., Tandler, A., Kissil, G.W. and Gertler, A. (1993) The effect of dietary exogenous
digestive enzymes on ingestion, assimilation, growth and survival of gilthead seabream (Sparus
aurata, Sparidae, Linnaeus) larvae. Fish Physiology and Biochemistry 12, 203–209.
Kolkovski, S., Tandler, A. and Izquierdo, M.S. (1997) Effects of live food and dietary digestive
enzymes on the efficiency of microdiets for seabass (Dicentrarchus labrax) larvae. Aquaculture
148, 313–322.
Kornegay, E.T., Denbow, D.M., Yi, Z. and Ravindran, V. (1996) Response of broilers to graded levels
of microbial phytase added to maize–soyabean meal based diets containing three levels of non-
phytate phosphorus. British Journal of Nutrition 75, 839–852.
Leatherwood, J.M., Mochrie, R.D. and Thomas, W.E. (1960) Some effects of a supplementary
cellulase preparation on feed utilization by ruminants. Journal of Dairy Science43, 1460.
Lewis, G.E., Hunt, C.W., Sanchez, W.K., Treacher, R., Pritchard, G.T. and Feng, P. (1996) Effect of
direct fed fibrolytic enzymes on the digestive characteristics of a forage-based diet fed to beef
steers. Journal of Animal Science74, 3020–3028.
Li, M.H. and Robinson, E.H. (1997) Microbial phytase can replace inorganic phosphorus supplements in
channel catfish (Ictalurus punctatus) diets. Journal of the World Aquaculture Society 28, 402–406.
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