1. Endocrinology, Reproductive Physiology and Animal Welfare Research Group, Department of Animal Health and Anatomy, Veterinary Faculty, Universitat Autònoma de Barcelona, Barcelona, Spain
2. Ruminant Research Group, Department of Animal and Food Science, Veterinary Faculty, Universitat Autònoma de Barcelona, Barcelona, Spain
3. Servei de Nutrició i Benestar Animal, Department of Animal and Food Science, Veterinary Faculty, Universitat Autònoma de Barcelona, Barcelona, Spain