Table 2

Pen variables assessed by the questionnaire and distribution of the pen samples by the categories of the outcome variable
Number of pen samples by the categories of the outcome variable Number of pen samples by the categories of the outcome variable
1 2 3 1 2 3
PEN VARIABLES
The pen has direct access to outside Sanitary gap before breeders entering
No 1146 30 92 No 626 19 44
Yes 354 16 32 Yes 874 27 80
Individual pen Feed
No 1194 41 98 Dry pellet 229 7 27
Yes 306 5 24 Dry non pellet 1230 36 97
Missing observations 0 0 2 Wet 41 3 0
Diarrhoea in the last 3 months Floor
No 1445 45 118 Fully slatted 139 5 10
Yes 33 1 2 Others 1361 41 114
Missing observations 22 0 4 Source of feed
Age of the breeding sows Exclusively own 199 8 8
Only gilts or gilts and others 874 38 73 Bought + Mixture 1301 38 116
Without gilts 626 8 51 Potential Salmonella control substances added to water
Sex of the breeding pigs No 1291 38 111
Only females 1430 44 114 Yes 209 8 13
Males and females 70 2 10 Use of antibiotics in the last 4 weeks in breeders
Breeding sector No 1229 45 103
Mating room 210 10 21 Yes 271 1 21
Gestation room 789 26 62 Way how was collected the sample
Mixture of room 58 1 14 Compose sample 121 1 11
Farrowing room 390 7 22 Swab 1379 45 113
Replacement breeders 44 2 5 Number of pigs in the pen
=10 1284 34 94
>10 216 12 30

Legend:1 (no Salmonella), 2 (serotype Typhimurium or serotype 1,4,5,12:i:-), 3 (other serotypes).

Correia-Gomes et al.

Correia-Gomes et al. BMC Veterinary Research 2012 8:226   doi:10.1186/1746-6148-8-226

Open Data