1 Respirometric screening of several types of manure and mixtures intended for 1 composting 2 Raquel Barrena (1) , Josep Turet (2,3) , Anna Busquets (2) , Moisès Farrés (2,3) , Xavier Font (1) , 3 Antoni Sánchez (1)* 4 5 (1) Composting Research Group 6 Department of Chemical Engineering 7 Escola d’Enginyeria 8 Universitat Autònoma de Barcelona 9 Bellaterra (Cerdanyola, 08193-Barcelona, Spain) 10 11 (2) SART Medi Ambient 12 Universitat de Vic 13 C/ Sagrada Familia 7 14 Vic (08500-Barcelona, Spain) 15 16 (3) Agrotech Biotecnologia Aplicada, S.A. 17 Arquebisbe Alemany, 38A E4 18 Vic (08500-Barcelona, Spain) 19 20 * Corresponding author: Dr. Antoni Sánchez 21 Phone: 34-935811019 22 Fax: 34-935812013 23 Email: antoni.sanchez@uab.cat 24 Pre-print