Oral communications.

T. Ntallaris SP 1 sp ; R. Båge SP 2 sp ; J. Karlsson SP 3 sp ; K. Holtenius SP 3 sp SP I 1 i sp I Ambulatory Clinic, University Animal Hospital, UDS, Uppsala, Sweden; i SP I 2 i sp I Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden; i SP I 3 i sp I Department of Animal Nutrition and Management, Swedish University of Agricultural Sciences, Uppsala, Sweden i Early commencement of luteal activity (CLA) after calving will result in a high conception rate, decreased proportion of cows with extended lactations and less culling due to reproductive disorders. Alpoim-Moreira SP 1 sp ; C. Fernandes SP 1 sp ; J. Pimenta SP 2 sp ; M. Bliebernicht SP 3 sp ; M. Rebordão SP 4 sp ; P. Castelo-Branco SP 5 sp ; A. Szóstek-Mioduchowska SP 6 sp ; D. Skarzynski SP 6 sp ; G. Ferreira-Dias SP 1 sp SP I 1 i sp I Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, ULisbon, Lisboa, Portugal; i SP I 2 i sp I Unidade Estratégica de Investigação e Serviços de Biotecnologia e Recursos Genéticos (UEISBR), Instituto Nacional de Investigação Agrária e Veterinária, I. P. (INIAV), Oeiras, Portugal; i SP I 3 i sp I Embriovet, Muge, Portugal; i SP I 4 i sp I Coimbra College of Agriculture, Polytechnic Institute of Coimbra, Coimbra, Portugal; i SP I 5 i sp I Faculty of Medicine and Biomedical Sciences (FMCB), University of Algarve, Campus de Gambelas, Faro, Portugal; i SP I 6 i sp I Institute of Animal Reproduction and Food Research PAS, Olsztyn, Poland i Endometrial fibrosis, as the main feature of endometrosis, might result from the imbalance between metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs); and between fibrolysis and fibrogenesis. Currently, the increased animal welfare awareness promotes animal-free teaching methodologies. [Extracted from the article]