PART 6Weaners and rearing pigs
39. As soon as possible after weaning, weaners and rearing pigs must be kept in stable groups, with as little mixing as possible.
40. If weaners and rearing pigs unfamiliar with one another have to be mixed—
(a)this must if possible be done before weaning or up to one week after weaning, or otherwise when the pigs are as young as possible; and
(b)they must be provided with adequate opportunities to escape and hide from other pigs.
41. The use of tranquilising medication in order to facilitate mixing must be limited to exceptional conditions and only after consultation with a veterinary surgeon.
42. If there are signs of severe fighting, the causes must be immediately investigated and appropriate measures taken.
43. The unobstructed floor area available to each weaner or rearing pig reared in a group must be at least—
(a)0.15 m2 for each pig where the average weight of the pigs in the group is 10 kg or less;
(b)0.20 m2 for each pig where the average weight of the pigs in the group is more than 10 kg, but less than or equal to 20 kg;
(c)0.30 m2 for each pig where the average weight of the pigs in the group is more than 20 kg but less than or equal to 30 kg;
(d)0.40 m2 for each pig where the average weight of the pigs in the group is more than 30 kg but less than or equal to 50 kg;
(e)0.55 m2 for each pig where the average weight of the pigs in the group is more than 50 kg but less than or equal to 85 kg;
(f)0.65 m2 for each pig where the average weight of the pigs in the group is more than 85 kg but less than or equal to 110 kg; and
(g)1.00 m2 for each pig where the average weight of the pigs in the group is more than 110 kg.