Funding for this research was provided by:
Statutory Research of University of Warmia and Mazury, Olsztyn, Poland (15.610.003-300)
KNOW (Leading National Research Centre) Scientific Consortium “Healthy animal – Safe Food”, decision of Ministry of Science and Higher Educiation, Poland (05-1/KNOW 2/2015)
Article History
Received: 27 June 2016
Accepted: 14 May 2018
First Online: 24 May 2018
Ethics approval and consent to participate
: All experimental procedures were made according to the instructions of the Local Ethical Committee in Olsztyn (Poland), with special attention paid to minimizing any stress reaction during and after the surgery (decisions numbers: 5/2000 and 86/2008/N).
: The authors declare that they have no competing interests.
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