Table 2.

The consistency between the resistance phenotype and genotype among studied S. canis strains (n = 44).

Strain	Resistance Phenotype 1	Resistance Genes Detected
12/16	TE	n.d. 2
22/18		n.d.
27/18		tet(O) 3
35/20		n.d.
44/21		tet(O) 3
1/16		tet(M) linked with Tn916-like transposon
3/16		tet(M) linked with Tn916-like transposon
52/21		tet(T)
31/20	E-CLI	erm(B)
14/16	TE-E-CLI	tet(O), erm(B), erm(TR)
15/16		tet(O), erm(B), erm(TR)
18/16		tet(M) 3, erm(B)
23/18		erm(B)
24/18		tet(O), erm(B)
32/20		tet(O) 3, erm(B)
48/21		tet(O) 3
51/21		tet(O), erm(B)
58/21		erm(B)
60/21		tet(O), erm(B)
2/16	TE-E-CLI	tet(O), erm(B)
4/16		tet(O), erm(B)
5/16		tet(O), erm(B)
6/16		tet(O), erm(TR)
7/16		tet(O), erm(B), erm(TR)
10/16		tet(O), erm(B)
17/16		tet(O), erm(B)
19/16		n.d.
20/17		tet(O), erm(B)
25/18		tet(O) 3, erm(B)
39/21		tet(O), erm(B)
47/21		tet(O), erm(B)
49/21		n.d.
50/21		tet(M) linked with Tn916-like transposon
55/21		n.d.
56/21		erm(TR)
57/21		erm(B)
61/21		tet(O), erm(B)
62/21		tet(O) 3, erm(B)
63/21		tet(O), erm(B)
65/22		tet(M) linked with Tn916-like transposon, tet(O), erm(B)
59/21	TE-E-CLI-P	tet(O), erm(B)
64/21		n.d.
41/21		tet(O), erm(B)
53/21	TE-E-CLI-CEF	tet(M) linked with Tn916-like transposon, erm(B)

¹ TE—tetracycline, E—erythromycin, CLI—clindamycin, P—penicillin G, CEF—cephalothin; ² n.d.—tested resistance genes were not detected; ³ PCR assay for the presence of genes encoding ribosomal protection proteins with universal primer set (DI_F and DII_R) were negative.