Received: 12 March 2020
Accepted: 6 August 2020
First Online: 12 August 2020
Ethics approval and consent to participate
: The study was authorized by Italian Health Ministry according to European Union Directive 2010/63/EU, adopted by Italian legislation with art. Thirty-one of the Italian Legislative Decree No. 26/2014 and to the recommendation of Commission 2007/526/CE, covering the accommodation and care of animals used for experimental and other scientific purposes (authorization n. 341/2017-PR issued on May 3, 2017). Animals were obtained from a breeding farm in Cascina Mandellina, Bergamo, Italy.
: Not applicable.
: Andrea Piva serves as professor at the University of Bologna and is a member of the board of directors of Vetagro SpA (Reggio Emilia, Italy) which funded the project. Ester Grilli serves as an advisor of Vetagro.