. 2021 May 20;100(8):101264. doi: 10.1016/j.psj.2021.101264

Table 2.

Meat quality traits of the Cherry Valley duck, Small-sized Beijing duck and Liancheng White duck at market age.

Items	pH_{24 h}	Release water (%)	Shear force (N)	Moisture content (%)	Protein content (%)	IMF content (%)	Collagen content (%)
Cherry Valley duck
Breast	5.99 ± 0.11^b	15.97 ± 4.45	36.08 ± 2.94^c	75.61 ± 0.12	23.28 ± 0.57^b	1.75 ± 0.17	1.32 ± 0.22^b
Leg	6.39 ± 0.11^a	9.88 ± 2.68	54.33 ± 0.61^a	74.48 ± 1.24	22.41 ± 0.45^c	2.50 ± 0.58	1.51 ± 0.20^ab
Small-sized Beijing duck
Breast	6.30 ± 0.11^a	11.34 ± 2.97	46.64 ± 1.14^b	73.34 ± 0.97	23.67 ± 0.09^a	2.37 ± 0.40	1.44 ± 0.08^b
Leg	6.33 ± 0.14^a	8.13 ± 3.78	57.83 ± 2.53^a	72.97 ± 0.81	21.77 ± 0.10^d	3.28 ± 0.02	1.63 ± 0.16^a
Liancheng White duck
Breast	5.76 ± 0.04^c	15.98 ± 0.69	31.57 ± 5.18^c	72.78 ± 0.60	23.76 ± 0.14^a	2.41 ± 0.30	1.44 ± 0.10^b
Leg	5.96 ± 0.08^b	13.26 ± 2.54	55.68 ± 1.56^a	73.23 ± 1.12	21.97 ± 0.07^d	3.20 ± 0.44	1.31 ± 0.07^b
Breeds
Cherry Valley duck	6.20 ± 0.23	12.49 ± 4.56^a	45.20 ± 10.17	75.04 ± 1.04^a	22.84 ± 0.67	2.13 ± 0.57^b	1.41 ± 0.22
Small-sized Beijing duck	6.33 ± 0.12	9.97 ± 3.48^b	52.23 ± 6.38	73.15 ± 0.88^b	22.72 ± 0.99	2.83 ± 0.54^a	1.54 ± 0.15
Liancheng White duck	5.86 ± 0.12	14.43 ± 2.34^a	43.63 ± 13.64	73.00 ± 0.95^b	22.87 ± 0.94	2.80 ± 0.56^a	1.37 ± 0.11
Muscular tissues
Breast	5.99 ± 0.23	14.12 ± 3.63^a	38.09 ± 7.35	74.15 ± 1.43	23.53 ± 0.43	2.12 ± 0.42^b	1.39 ± 0.16
Leg	6.23 ± 0.22	10.63 ± 3.44^b	55.95 ± 2.16	73.69 ± 1.29	22.10 ± 0.40	2.92 ± 0.57^a	1.49 ± 0.20
P-value (two-way ANOVA)
Breeds	0.000	0.027	0.000	0.000	0.545	0.000	0.052
Muscular tissues	0.000	0.009	0.000	0.228	0.000	0.000	0.121
Breeds * Muscular tissues	0.000	0.547	0.006	0.080	0.000	0.867	0.029

Note: Results are reported as means ± SD (n = 6).

^a-dSuperscripted letters within a row indicate significant differences (P < 0.05).

Abbreviation: IMF, intramuscular fat.