Table 2. Comparison of the prevalence of mcr-4 and mcr-5 in nasal/oropharyngeal and anal/cloacal swabs of pigs and poultry.

Positivity of mcr	pig			chicken			duck			goose			pigeon
	nasal	anal	total*	Oro**	cloacal	total	oro	cloacal	total	oro	cloacal	total	oro	cloacal	total
	(1339)	(213)	(1454)	(1350)	(1383)	(1498)	(122)	(122)	(130)	(109)	(109)	(109)	(66)	(82)	(99)
mcr-4	605	37	621	137	143	257	9	11	20	37	30	54	6	11	17
	45.2%	17.4%	42.7%	10.1%	10.3%	17.2%	7.4%	9.0%	15.4%	33.9%	27.5%	49.5%	9.1%	13.4%	17.2%
mcr-5	455	59	478	93	58	148	8	3	10	16	6	19	1	2	3
	34.0%	27.7%	32.9%	6.9%	4.2%	9.9%	6.6%	2.5%	7.7%	14.7%	5.5%	17.4%	1.5%	2.4%	3.0%
mcr-4 and mcr-5	255	27	266	28	6	33	3	1	4	9	2	10	1	0	1
	19.0%	12.7%	18.3%	2.1%	0.4%	2.2%	2.5%	0.8%	3.1%	8.3%	1.8%	9.2%	1.2%	0.0%	1.0%

* Total means the total number of the assayed animals. Under the column of Total, when one of the Nasal/Oral and Anal/cloacal swabs was positive, this animal was considered to be positive

** oro indicates oropharyngeal swab