Table 1. The details of nine pig farms assessed in Korea

Farm	Floor type	Type	Number of pigs in the farm	Space allowance (m2) / pig	Space allowance (m2) / 100 kg	Number of pigs / pen	Average weight (kg)	Average ages (days)
1	Partly slatted concrete floors	Breeder-fatteners	3,500	0.8	1.3	18	60	81
2	Partly slatted concrete floors	Breeder-fatteners	5,000	0.4	0.7	150	60	80
3	Partly slatted concrete floors	Breeder-fatteners	2,000	0.4	1.8	13	25	42
4	Partly slatted concrete floors	Fatteners	450	1.0	2.1	10	45	66
5	Fully slatted concrete floors	Breeder-fatteners	1,500	1.1	2.2	30	50	70
6	Partly slatted concrete floors	Breeder-fatteners	2,900	0.7	1.8	40	40	62
7	Sawdust	Fatteners	2,000	1.8	4.0	30	45	63
8	Partly slatted concrete floors	Breeder-fatteners	4,000	0.4	1.1	40	40	60
9	Sawdust	Breeder-fatteners	2,000	0.7	1.5	60	45	65