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Article History

Received: 21 December 2020

Accepted: 23 December 2020

First Online: 2 January 2021

Ethics approval and consent to participate

: All animal work has been conducted according to the national and international guidelines for animal welfare. The present study had been specifically approved by the Institutional Animal Care and Use Committee of Lower Saxony, the State Veterinary Office Niedersächsisches Landesamt für Verbraucherschutz und Lebensmittelsicherheit, Oldenburg, Germany (registration number 33.9–42502-05-04A247). We obtained written informed approval from the owner of the Limousin cattle to use samples and photographs from his animals for current research, publication and further investigations. Samples of controls from other breeds were taken from our biobank and all the owners of these animals gave written informed consent to use these samples.

: Not applicable.

: The authors declare that they have no competing interests.