Table 1. Prevalence of two enteric bacterial genera in bird feces and environmental samples by site and isolate source.

Sample type	Site	N	Escherichia coli positive N (%)	Pair-wise p-value&	Enterococus spp positive N (%)	Pair-wise p-value&
Bird feces		128	47 (36.7%)		101 (78.9%)
	Control	30	13 (43.3%)	Ref.	21 (70.0%)	Ref.
	Dairy	38	18 (47.4%)	0.807	24 (63.2%)	0.613
	Beef A	30	11 (36.7%)	0.792	27 (90.0%)	0.103
	Beef B	30	5 (16.7%)	0.046*	29 (96.7%)	0.012*
Environmental		110	77 (70.0%)		93 (84.5%)
	Control	20	3 (15.0%)	Ref.	14 (70.0%)	Ref.
	Dairy	30	21 (70.0%)	<0.001*	26 (86.7%)	0.277
	Beef A	30	27 (90.0%)	<0.001*	27 (90.0%)	0.128
	Beef B	30	26 (86.7%)	<0.001*	26 (86.7%)	0.277

Notes:

^&Pearson’s Chi-squared test or Fisher’s exact test when assumptions of the Chi-squared were not met; statistical tests were all run permutation tests with simulated p values and 10,000 iterations.

^*Significant at α = 0.05.