Following a request from the European Commission, the European Food Safety Authority (EFSA) was asked to deliver a scientific opinion on the modification of terms of authorisation of Natuphos for pigs for fattening. The additive Natuphos is a preparation of 3-phytase produced by a genetically modified strain of Aspergillus niger. The existing authorisation establishes a minimum recommended dose for pigs for fattening of 280 FTU kg-1 feed. With the present application the applicant requests to lower the minimum recommended dose to 100 FTU kg-1. In three digestibility studies made with animals of body weights of 40, 70 and 100 kg, significant improvements of faecal P digestibility were observed with the supplementation of Natuphos at 100 FTU kg-1. The FEEDAP Panel concludes that there is sufficient evidence to support the efficacy of Natuphos in pigs for fattening at the lower minimum recommended dose of 100 FTU kg-1.
Modification of terms of authorisation of Natuphos® (3-phytase) as feed additive for pigs for fattening / E. Panel on Additives, P. or Substances used in Animal Feed, G. Aquilina, G. Bories, P. Brantom, F. Caloni, A. Chesson, P.S. Cocconcelli, J. de Knecht, N.A. Dierick, M.A. Gralak, J. Gropp, I. Halle, N.G. Ilbäck, R. Kroker, P. Lawlor, L. Leng, S. Lindgren, A.K. Lundebye Haldorsen, A. Mantovani, M. Mézes, D. Renshaw, M. Saarela. - In: EFSA JOURNAL. - ISSN 1831-4732. - 7:7, art. 1184(2009), pp. 1-11. [10.2903/j.efsa.2009.1184]
Modification of terms of authorisation of Natuphos® (3-phytase) as feed additive for pigs for fattening
F. Caloni;
2009
Abstract
Following a request from the European Commission, the European Food Safety Authority (EFSA) was asked to deliver a scientific opinion on the modification of terms of authorisation of Natuphos for pigs for fattening. The additive Natuphos is a preparation of 3-phytase produced by a genetically modified strain of Aspergillus niger. The existing authorisation establishes a minimum recommended dose for pigs for fattening of 280 FTU kg-1 feed. With the present application the applicant requests to lower the minimum recommended dose to 100 FTU kg-1. In three digestibility studies made with animals of body weights of 40, 70 and 100 kg, significant improvements of faecal P digestibility were observed with the supplementation of Natuphos at 100 FTU kg-1. The FEEDAP Panel concludes that there is sufficient evidence to support the efficacy of Natuphos in pigs for fattening at the lower minimum recommended dose of 100 FTU kg-1.
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