Pires, JaimeRodrigues, M.A.Sousa, Fernando Ruivo deBernardo, AdelinoPires, JoãoCabanas, J.E.Resendes, HugoFerreira, Maria J.Silva, InfânciaMoreira, Nuno2014-10-212014-10-212005Pires, Jaime; Rodrigues, M.A.; Sousa, Fernando Ruivo de; Bernardo, Adelino; Pires, João; Cabanas, J.E.; Resendes, Hugo; Ferreira, Maria; Silva, Infância; Moreira, Nuno (2005). The suitability for organic cattle beef production of mixed farming systems in the highlands of north east Portugal. In II International Grassland Congress. Dublin, Irlandhttp://hdl.handle.net/10198/10932Two beef cattle farms (Farm 1 – “Barrosã” breed – Montalegre and Farm 2 – “Mirandesa” breed – Vinhais) were monitored for a year (autumn 2002-03) – Farm activities, inputs, outputs, yields components and flows were recordeengconference object