Shining a light on pigs’ colour vision and lux

The way in which pigs are provided with light receives little attention, according to pig welfare expert Dr Irene Camerlink. There is a lot to gain by looking more into what type of light and lighting schedule is used on the pig farm. Some of you may remember the time when pigs were kept in complete darkness. It was practiced to reduce aggression and unrest and thereby to increase growth performance. When the pigs would finally see the light when going for slaughter, they would come out terri