Ethical Statement
The authors confirm that the ethical policies of the journal, as noted
on the journal’s author guidelines page, have been adhered to the
European Directive 2010/63/EU and the study was approved by the ethical
committee of the Department of Veterinary Medicine of the University of
Bari, Italy (Prot. Uniba 7/17) and of Ministry authorization (ISPRA Prot
73267; 31/12/2019).