1. Department of Animal Science, Faculty of Agriculture, University of Dicle, 21280 Diyarbakir, Turkey
2. Servei de Nutrició i Benestar Animal (SNiBA), Department of Animal and Food Science, Universitat Autònoma de Barcelona, Barcelona 08193, Spain
3. Adiveter, S. L. Pol. Ind. Agro-Reus, Tarragona 43206, Spain