1. Department of Animal Medicine, Production and Health, MAPS, University of Padova, Agripolis, Viale dell’Università 16, Legnaro, 35020 Padova, Italy
2. Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125 Modena, Italy
3. Sericulture Laboratory, Council for Agricultural Research and Economics, Research Centre for Agriculture and Environment (CREA–AA), Via Eulero 6a, 35143 Padova, Italy