Table 2. Mean values of carcass traits of pork by quality grade (QG) and gender

Items	Gender	QG1⁺	QG1	QG2
Carcass weight (kg)	Barrow	89.59±2.15	90.33±4.80	90.08±9.32
Carcass weight (kg)	Gilt	88.62±2.05	91.08±5.14	90.33±11.31
Belly weight (kg)	Barrow	6.86±0.50^A	6.85±0.46	6.93±0.91
Belly weight (kg)	Gilt	6.32±0.49^B	6.49±0.61	6.62±0.72
BFT at 5^th TV (cm)	Barrow	2.50±0.60^b	2.90±0.40^ab	3.30±0.60^aA
BFT at 5^th TV (cm)	Gilt	2.30±0.50^b	2.70±0.40^a	2.40±0.80^abB
BFT at 5^th TV+skin (cm)	Barrow	3.50±0.50^b	3.90±0.60^b	4.40±0.70^aA
BFT at 5^th TV+skin (cm)	Gilt	3.30±0.60^b	3.80±0.50^a	3.30±0.80^bB
BFT at 9^th TV (cm)	Barrow	2.10±0.50b^A	2.30±0.40^ab	2.50±0.60^aA
BFT at 9^th TV (cm)	Gilt	1.70±0.40^B	2.00±0.40	2.00±0.70^B
BFT at 9^th TV+skin (cm)	Barrow	2.90±0.60^b	3.20±0.40^ab	3.60±0.70^aA
BFT at 9^th TV+skin (cm)	Gilt	2.60±0.50	2.90±0.50	2.80±0.70^B
BFT at 13^th TV (cm)	Barrow	1.60±0.40^bA	1.80±0.50^ab	2.10±0.50^aA
BFT at 13^th TV (cm)	Gilt	1.30±0.30^bB	1.64±0.40^a	1.55±0.70^abB
BFT at 13^th TV+skin (cm)	Barrow	2.30±0.40^b	2.60±0.30^ab	3.00±0.60^aA
BFT at 13^th TV+skin (cm)	Gilt	2.10±0.40^b	2.40±0.40^a	2.30±0.70^abB
BFT at 6^th LV (cm)	Barrow	1.00±0.50	1.00±0.30	1.10±0.40
BFT at 6^th LV (cm)	Gilt	1.00±0.40	1.20±0.30	1.30±0.60
BFT at 6^th LV+skin (cm)	Barrow	1.90±0.50	1.90±0.20^B	2.10±0.40
BFT at 6^th LV+skin (cm)	Gilt	1.90±0.40	2.20±0.30^A	2.10±0.50
BFA at 5^th TV (cm²)	Barrow	114.05±23.58^abA	108.59±25.45^b	132.89±25.16^a
BFA at 5^th TV (cm²)	Gilt	97.88±15.64^B	106.90±21.39	107.33±18.28
BFA at 7^th TV (cm²)	Barrow	94.61±18.42	102.31±25.08	113.35±24.83
BFA at 7^th TV (cm²)	Gilt	88.72±14.81	92.11±18.36	92.45±19.21

Means with different superscript in the same column significantly differ at p<0.05.
Means with different superscript in the same row significantly differ at p<0.05.
BFT, backfat thickness; TV, thoracic vertebrae; LV, lumbar vertebrae; BFA, backfat area.