Table 1.

Description of the pig carcasses used in the study

Carcass	Sex	Hot carcass weight,a kg	Half-carcass weight,b kg	Backfat thickness,c mm
1	Barrow	86.1	38.5	14.0
2	Barrow	99.6	44.7	16.5
3	Barrow	102.6	48.4	21.5
4	Female	102.8	46.2	18.5
5	Barrow	107.3	47.5	17.5
6	Female	108.6	39.0	15.5
7	Barrow	115.4	51.0	14.0
8	Barrow	115.8	51.4	20.0
9	Female	118.7	53.1	20.0
Mean		106.3	46.6	17.5
SEM		3.4	1.7	0.9

^aWith head and without viscera.

^bWithout head, kidneys, and leaf fat.

^cMeasured at the Canadian grading site between the third- and fourth-last ribs, 7 cm off the midline, with a Destron PG-100 grading probe.