Table 1.

Study isolates.

Date received	Farm	Strain ID	ENA/NCBI accession	References
26/02/2010	FARM 1	S10-0209	ERS1508458	Crawshaw et al., 2015
01/07/2011	FARM 1	S11-010	ERS1508462	Crawshaw et al., 2015
01/07/2011	FARM 1	S11-5013	ERS1508464	Crawshaw et al., 2015
27/11/2012	FARM 1	S12-1018	ERS1508467	Crawshaw et al., 2015
13/09/2011	FARM 2	S11-0036	ERS1508459	This study
13/09/2011	FARM 2	S11-0038	ERS1508463	Crawshaw et al., 2015
26/01/2012	FARM 3	S12-002	ERS1508465	Crawshaw et al., 2015
09/11/2011	FARM 4	S11-0069	ERS1508460	Crawshaw et al., 2015
09/11/2011	FARM 4	S11-0071	ERS1508461	Crawshaw et al., 2015
25/05/2012	FARM 5	S12-0322	ERS1508466	Crawshaw et al., 2015