Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (RTG 1644)
Received: 8 November 2018
Accepted: 23 June 2019
First Online: 17 July 2019
Ethics approval and consent to participate
: Blood samples obtained from routine health monitoring by the breeding company were used to extract DNA to genotype animals. All staff taking the blood samples regularly participates in training programs for adequate sampling in strict observation of current animal welfare regulations.
: This section is not applicable.
: The authors declare that they have no competing interests.