1. Department of Agricultural and Food Sciences, Alma Mater Studiorum–University of Bologna, 40126 Bologna, Italy
2. Istituto Zooprofilattico Sperimentale di Puglia e Basilicata, 71121 Foggia, Italy
3. Department of Physics and Astronomy, Alma Mater Studiorum–University of Bologna, 40126 Bologna, Italy
4. Bayer Animal Health, 20156 Milan, Italy