Following a request from the European Commission, the Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) was asked to deliver a scientific opinion on the efficacy of Cygro® 10G. The active substance of Cygro® 10G is the polyether ionophore maduramicin ammonium-a, a coccidiostat intended to be used in feed for turkeys for fattening. In a former opinion, the FEEDAP Panel concluded that the efficacy of Cygro® 10G in turkeys for fattening had not been sufficiently demonstrated. In the present submission, new efficacy studies have been provided by the applicant. A positive effect of Cygro® 10G in preventing coccidiosis in turkeys was shown in three anticoccidial sensitivity tests (ASTs). However, owing to the lack of floor pen studies showing a positive effect, the FEEDAP Panel is not in the position to conclude on the efficacy of Cygro® 10G for turkeys for fattening.

Efficacy of cygro® 10g (Maduramicin ammonium-a) for turkeys / V. Bampidis, G. Azimonti, M.L. Bastos, H. Christensen, B. Dusemund, M.K. Durjava, M. Kouba, M. Lopez-Alonso, S.L. Puente, F. Marcon, B. Mayo, A. Pechova, M. Petkova, F. Ramos, Y. Sanz, R.E. Villa, R. Woutersen, J. Gropp, G. Rychen, O. Holczknecht, M.V. Vettori. - In: EFSA JOURNAL. - ISSN 1831-4732. - 18:4(2020 Apr), pp. 6079.1-6079.7. [10.2903/j.efsa.2020.6079]

Efficacy of cygro® 10g (Maduramicin ammonium-a) for turkeys

R.E. Villa;
2020

Abstract

Following a request from the European Commission, the Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) was asked to deliver a scientific opinion on the efficacy of Cygro® 10G. The active substance of Cygro® 10G is the polyether ionophore maduramicin ammonium-a, a coccidiostat intended to be used in feed for turkeys for fattening. In a former opinion, the FEEDAP Panel concluded that the efficacy of Cygro® 10G in turkeys for fattening had not been sufficiently demonstrated. In the present submission, new efficacy studies have been provided by the applicant. A positive effect of Cygro® 10G in preventing coccidiosis in turkeys was shown in three anticoccidial sensitivity tests (ASTs). However, owing to the lack of floor pen studies showing a positive effect, the FEEDAP Panel is not in the position to conclude on the efficacy of Cygro® 10G for turkeys for fattening.
Coccidiostats and histomonostats; Cygro® 10G; Efficacy; Maduramicin ammonium-a; Turkeys;
Settore VET/07 - Farmacologia e Tossicologia Veterinaria
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/828600
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