Table 3.

Summary of phenotypica characterisation of third‐generation cephalosporin resistance in presumptive ESBL‐/AmpC‐producing E. coli from fattening pigs, calves, meat from pigs and meat from bovine animals deriving from specific monitoring in 2015

	Presumptive ESBL‐producersb			Presumptive AmpC‐producersc			ESBL + AmpC phenotype
	n	%Occ	%Prev	n	%Occ	%Prev	n	%Occ	%Prev
Fattening pigs (Ns = 6,167; N = 2,441)d	1,869	76.6	31.9	569	23.3	9.7	87	3.6	1.5
Calves (Ns = 2,343; N = 895)e	830	92.7	36.8	108	12.1	4.8	46	5.1	2.0
Meat from pigs (Ns = 5,350; N = 319)f	252	78.9	7.0	79	24.8	2.3	14	4.4	0.4
Meat from bovines (Ns = 5,329; N = 209)g	159	76.1	5.0	57	27.3	1.8	9	4.3	0.3

N_s: number of animal/meat samples; N: number of the isolates tested; n: number of the isolates resistant; %Occ: percentage of resistant isolates; %Prev: percentage of samples harbouring a presumptive ESBL‐/AmpC‐producing E. coli.

^aItaly submitted only genotype results.

^bIsolates exhibiting an ESBL‐ and/or ESBL/AmpC‐phenotype.

^cIsolates exhibiting an AmpC‐ and/or ESBL/AmpC‐phenotype.

^d27 MSs included.

^e9 MSs included.

^f22 MSs included.

^g23 MSs included.