Table 4.

TM content of colostrum and serum of sows fed diets with total ITM, Replace, and R&R¹

Item	Experimental diets2
	ITM	Replace	R&R	SEM	P-value
Serum3
Zn, mg/L	0.68	0.77	0.79	0.048	0.187
Cu, mg/L	1.64	1.68	1.58	0.043	0.283
Mn, mg/L	1.50b	2.41a	2.85a	0.185	<0.001
Fe, mg/L	1.29	1.35	1.49	0.122	0.462
Colostrum4
Zn, mg/L	14.62	12.83	13.00	0.715	0.143
Cu, mg/L	4.40	4.54	3.85	0.238	0.080
Mn, µg/L	0.017ab	0.023a	0.016b	0.002	0.017
Fe, mg/L	1.41ab	1.63a	1.19b	0.071	<0.001

¹Data are means of 20 sows sampled per experimental diet.

2ITM, inorganic trace mineral; Replace, partial replacement of trace mineral source; R&R, reduce and replace mineral source.

³Serum at day 110 of gestation.

⁴Basis on fresh matter.

^a,bMeans within a row with different superscripts differ significantly at P < 0.05.