Funding for this research was provided by:
Bundesanstalt für Landwirtschaft und Ernährung (740 718)
Received: 14 December 2018
Accepted: 7 May 2019
First Online: 22 May 2019
: The experiments were performed under authorization of the Lower Saxony Federal State Office for Consumer Protection and Food Safety, Germany (reference number 33.12–42502–04-15/2024). Furthermore, this study was approved by the Ethics Committee of the University of Veterinary Medicine Hannover, foundation, Germany. All ethical evaluations were performed as required by the German Animal Welfare Act (Tierschutzgesetz, ExternalRef removed). All procedures were in compliance with federal and state ethics guidelines of animal care and use and animal handling guidelines of Germany’s Animal Welfare Act were followed.
: Not applicable.
: The authors declare that they have no competing interest.
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