Funding for this research was provided by:
’ISTITUTO ZOOPROFILATTICO SPERIMENTALE DELLA SICILIA”, Palermo, Italy code number: IZS SI /15 RC
Received: 16 March 2018
Accepted: 31 August 2018
First Online: 19 September 2018
: The study was evaluated by Animal Welfare Committee of University Federico II, Naples, Italy, reference number: 26719/2018. The collection of biological samples was performed in accordance with the national guidelines for animal welfare. A written consent for clinical procedures was obtained from the owners. The Animal Welfare Committee of University Federico II, approved this method of consent.
: Not applicable
: The authors declare that they have no competing interests.
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