Funding for this research was provided by:
Department for Environment, Food and Rural Affairs, UK Government (OD0555, OD0556)
Received: 4 June 2019
Accepted: 5 September 2019
First Online: 23 October 2019
Ethics approval and consent to participate
: All experiments were carried out under the authority of a UK Home Office Project License (PPL 70/8870) within the terms and conditions of the regulations of the UK Home Office Animals (Scientific Procedures) Act 1986 and the code of practice for the housing and care of animals bred, supplied, or used for scientific purposes. Ethical approval for the study was obtained from the Moredun Research Institute Experiments Committee [E03/17].
: Not applicable
: The authors declare that they have no competing interests.