Funding for this research was provided by:
Biotechnology and Biological Sciences Research Council (BBS/E/D/30002276, BB/L000199/1, BB/J004316/1)
Rural and Environment Science and Analytical Services Division
Text and Data Mining valid from 2018-05-29
Received: 23 January 2018
Accepted: 7 May 2018
First Online: 29 May 2018
: All animal experiments were performed under UK Home Office Project Licence 70/7909, and birds were humanely killed as specified in Schedule 1 of the UK Animals (Scientific Procedures) Act 1986.
: The authors declare that they have no competing interests.
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