From: A survey of straw use and tail biting in Swedish pig farms rearing undocked pigs
Nursery units n = 23 | Finishing pig units n = 38 | |||
---|---|---|---|---|
During the last outbreak | Overall on the farm | During the last outbreak | Overall on the farm | |
Coincidence | 8 | 5 | 1 | 0 |
Do not know | 5 | 3 | 11 | 10 |
Feed composition/feed equipment | 0 | 0 | 12 | 15 |
Genetics/nervous pigs | 4 | 2 | 8 | 7 |
Insufficient feeding space | 0 | 0 | 0 | 5 |
Insufficient ventilation/high temperature | 0 | 0 | 4 | 7 |
Lack of occupation | 1 | 1 | 0 | 0 |
Salt deficiency | 0 | 7 | 0 | 0 |
Stable/climate | 0 | 1 | 0 | 0 |
Stocking density/overcrowding | 6 | 6 | 2 | 5 |