Text and Data Mining valid from 2019-02-13
Received: 31 October 2018
Accepted: 21 January 2019
First Online: 13 February 2019
Compliance with ethical standards
: The authors declare no conflicts of interest.
: No human subjects were used in this study. This article does not contain any studies with animals performed by any of the authors. Sampling was carried out by veterinarian, who took different samples as part of his routine work and under the permission of the farm owner. For this reasons, sampling did not require the approval of the Ethics Committee.