Ethics Statement
The authors confirm that the ethical policies of the journal, as noted
on the journal’s author guidelines page, have been adhered to and the
appropriate ethical review committee approval has been received.
Was reviewed and approved by Comité de Bioetica de la Facultad de
Ciencias Veterinarias, Universidad de Concepción. Dog samples was
written informed consent for participation was not obtained from the
owners because the animals were not identified individually. The guiña
sample was taken during a clinical procedure and tissue samples were
taken in the necropsy after the death.