Ethics statement
The authors confirm that the ethical policies of the journal, as noted in the journal’s author guidelines page have been adhered to. Samples used in this work were submitted from field veterinarians for diagnostic purposes on the basis of clinical testing. Therefore, according to Directive 63/2010 -Article 1, point 5(b) “non-experimental clinical veterinary practices”- the procedure carried out to obtain data is not within the scope of named directive.