The role of co-infections in M. hyopneumoniae outbreaks among heavy fattening pigs: a field study

Table 1 Description of the ten fattening pig herds included in the study

Farm	Herd Size (Nb of pigs)	Enrolled pigs	M. hyopneumoniae vaccination schemes*	Age of pigs at T0 (days)	Age at slaughtering
1	4000	30	1	131	245
2	4800	30	1	153	250
3	10 000	30	1	176	270
4	1500	30	1	204	280
5	3200	30	1	158	255
6	2300	30	2	238	265
7	3900	30	2	143	280
8	5300	30	2	232	275
9	1500	30	1	206	265
10	4500	30	2	124	255

^* Vaccination strategies were resumed in 1 (single shot at 20–28 days) or 2 (double shots before and after weaning).
T0: onset of clinical signs during the EP outbreak.

ISSN: 1297-9716