Risk factors for post-weaning diarrhoea on piglet producing farms in Finland

Table 3 Combined variables related to hygienic measures, empty time of the pens and age segregation after weaning.

Title and definitions	Score	Scale
HYGIND		0 – 6
Farrowing pens		0 – 3
Washed after every litter or after every two litters	1
Disinfection after the pens have been washed	1
Washed occasionally (e.g. few times a year)	0
Disinfection occasionally or use of dry disinfectant	0
Empty time ≥ 4 days	1
Empty time 1–3 days	0.5
Empty time < 1 day	0
Nursery pens		0 – 3
Washed after every group or after every two groups	1
Disinfection after the nursery pens have been washed	1
Nursery pens washed occasionally (e.g. few times a year)	0
Disinfection occasionally or use of dry disinfectant	0
Deep bedding in the nursery pen	1
Empty time ≥ 4 days	1
Empty time 1–3 days	0.5
Empty time < 1 day	0
MANIND = HYGIND + scores related to age segregation		0 – 8
Age segregation		0 – 2
First week after weaning
Weaners moved within 7 days after weaning to a room (with own airspace) intended for weaners only or for weaners and growers up to about 25 kg bodyweight	1
From 1–3 weeks after weaning up to about the body weight of 25kg
Weaners reared in a room (with own airspace) intended only for weaners and growers	1
Weaners and growers reared in a room together with older pigs (>25 kg)	0

ISSN: 1751-0147