Article History
Received: 19 February 2018
Accepted: 15 February 2019
First Online: 21 February 2019
Ethics approval and consent to participate
: Poultry samples were collected for laboratory diagnosis in line with good clinical practice standards, Polish ethical guidelines (Journal of Laws, 2015, item 266) and animal welfare regulations. This study did not require the approval of the Ethics Committee of the Warsaw University of Life Sciences.
: Not applicable.
: The authors declare that they have no competing interests.
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