Table 5.

Effects of dietary Zn source and concentration on fur quality in growing–furring mink¹

Item	Fur length,cm	Guard hair length, cm	Underfur length, cm	Fur density	Color intensity
Added Zn source and concentration, mg/kg
Control
0	42.10	2.20	1.70	9.23	2.85
ZnSO4∙7H2O
100	43.40	2.26	1.70	9.46	3.00
300	43.70	2.34	1.58	9.72	3.24
900	44.00	2.08	1.52	9.90	3.67
ZnGly2
100	42.70	2.16	1.50	9.71	3.05
300	43.20	2.40	1.70	9.84	3.42
900	43.90	2.30	1.72	9.92	3.75
ZnPOS3
100	42.50	2.06	1.32	9.72	3.10
300	43.70	2.06	1.58	9.94	3.65
900	46.10	2.00	1.62	9.97	3.95
SEM	0.65	0.09	0.10	0.08	0.17
Zn sources
ZnSO4	43.70	2.23	1.60	9.70b	3.31
ZnGly	43.26	2.28	1.64	9.82a	3.40
ZnPOS	44.10	2.12	1.51	9.87a	3.57
SEM	0.4	0.07	0.07	0.06	0.11
Zn concentrations, mg/kg
100	42.86b	2.16	1.51	9.63b	3.05c
300	43.53b	2.27	1.62	9.84a	3.44b
900	44.66a	2.20	1.62	9.94a	3.79a
SEM	0.4	0.07	0.07	0.06	0.11
Linear	0.42	0.32	0.36	0.001	0.15
Quadratic	0.56	0.23	0.14	0.001	0.46
P-values
Sources	0.10	0.19	0.23	0.01	0.05
Concentrations	0.001	0.52	0.26	0.03	0.01
Concentration × source	0.06	0.32	0.11	0.30	0.84

^a–cMeans within a row with different superscripts differ (P < 0.05).

¹Data are expressed as least squares means with pooled SEM; n = 10 per treatment.

²ZnGly = zinc glycinate.

³ZnPOS = Zn pectin oligosaccharides.