Funding for this research was provided by:
Bundesanstalt für Landwirtschaft und Ernährung (819 589)
Received: 13 February 2020
Accepted: 13 March 2020
First Online: 30 March 2020
Ethics approval and consent to participate
: A written approval and consent from the Klinik für Geburtshilfe, Gynäkologie und Andrologie der Groß- und Kleintiere mit Tierärztlicher Ambulanz, Justus-Liebig-University Gießen was obtained to use animals for this study. This study was approved by the animal ethic committee Regierungspräsidium Gießen (V54-19 c2015 h01). Also, the same institute received the consent from farm owners to collect colostrum samples from dairy cattle for this project.
: Not applicable.
: The authors declare that they have no competing interests to report.