Genome-wide QTL analysis of meat quality-related traits in a large F2 intercross between Landrace and Korean native pigs

Table 1 Descriptive statistics and heritabilities of meat quality traits in the KNP × Landrace intercross population

Traits	Abbreviation	N	Mean	SD	Range	h ² (%)
Eye muscle area (cm²)	EMA	1047	21.27	3.811	8–35	34.1
Eye muscle area with spinalis dorsi muscle (cm²)	ALLEMA	1047	36.74	5.981	14–58	36.6
Marbling score in eye muscle area (KAPE)	MARB	831	1.86	0.958	1–5	23.2
Crude fat content in eye muscle area (%)*	CFAT	962 (3)	3.04	1.876	0.85–13.49	39.8
Shear force (kg/cm²)	SHEAR	956 (9)	3.53	0.992	0.86–7.49	61.2
Moisture percentage (%)	MOIST	958 (7)	73.82	1.409	67.63–77.83	37.3
Cooking loss (%)	COOKL	951 (13)	35.88	3.689	23.56–47.9	37.7
Drip loss (%)*	DRIPL	959 (6)	2.12	1.662	0.14–11.21	79.3
Meat color lightness	CIE–L	964	48.86	4.37	36.41–64.3	41.7
Meat color red/green*	CIE–a	963 (1)	8.4	2.558	2.92–18.94	44.1
Meat color yellow/blue*	CIE–b	954 (2)	3.71	2.979	−0.72–23.84	46.2
Meat color chroma*	CHROMA	962 (37)	9.7	3.868	2.98–32.08	42.4
Meat color hue	HUE	921 (43)	19.98	7.009	4.08–40.34	80.9

N = number of animals, values in parentheses are the number of animals excluded based on ascertainment of normality; *data transformed using natural logarithm.

ISSN: 1297-9686