Received: 29 April 2021
Accepted: 10 June 2021
First Online: 30 June 2021
: The study protocol was approved by the Ethical Committee for Animal Experiments of the Research Institute for Agriculture, Fisheries and Food (ILVO, Merelbeke, Belgium) (Approval Number 2019/339) and by the Ethical Committee of the Faculty of Veterinary Medicine and the Faculty of Bioscience Engineering, Ghent University (Approval Number 2019/12).
: The authors declare that they have no competing interests.