A Retrospective Analysis of Postmortem Salmonella Dublin Cases in Dairy Cattle in British Columbia

Table 4

Comparing proportions of BC farms by region and lab use by region.

Region	Number of farms	Proportion	Lab use by region	Proportion	p-Value^1
	n = 467		n = 251
Fraser Valley	322	0.69	195	0.78	0.99
Okanagan	82	0.18	28	0.11	—
Vancouver Island	38	0.08	18	0.07	—
Creston	8	0.02	3	0.01	—
Bulkley Valley	17	0.04	7	0.03	—

¹Chi-square test used to generate p-value.