BMC Veterinary Research

Table 1 Farm E. coli O157 status

From: E. coli O157 on Scottish cattle farms: Evidence of local spread and persistence using repeat cross-sectional data

		Survey 2
		Positive	Negative	Total
Survey 1	Positive	27	77	104
Survey 1	Negative	60	283	343
	Total	87	360	447

Status of Scottish farms (positive or negative) during Survey 1 (SEERAD, 1998-2000) and Survey 2 (IPRAVE, 2002-2004). A positive farm was one in which at least one faecal pat tested positive by Immuno-magnetic separation (IMS) for the presence of E. coli O157.

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ISSN: 1746-6148

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