Table 5.

Concentrations of trace minerals in fetal liver and fetal muscle at d 83 of gestation as influenced by maternal vitamin and mineral supplementation (VMSUP) and two different rates of gain (GAIN; low rate, 0.28 kg/d (LG) or moderate rate, 0.79 kg/d (MG)).

Mineral Concentration, μg/g Dry	NoVTM 1		VTM 2		SEM 4	p-Value
	LG	MG 3	LG	MG 3		VMSUP	GAIN	VMSUP × GAIN
Fetal Liver
Selenium	4.23	4.25	6.25	6.39	0.46	<0.01	0.86	0.89
Copper	246.01	277.84	298.21	348.91	22.75	0.01	0.08	0.68
Zinc	440.61	448.24	541.2	563.76	85.35	0.21	0.85	0.93
Molybdenum	0.37	0.33	0.36	0.33	0.02	0.79	0.04	0.81
Manganese	5.09	4.78	5.19	6.03	0.32	0.04	0.39	0.07
Cobalt	0.07	0.05	0.09	0.06	0.01	0.01	<0.01	0.27
Fetal Muscle
Selenium	0.62	0.67	0.73	0.73	0.03	0.02	0.55	0.41
Copper	5.75	7.15	6.35	5.94	0.49	0.54	0.32	0.07
Zinc	75.23	75.10	85.04	83.78	61.36	<0.01	<0.01	0.99
Molybdenum	0.13	0.15	0.13	0.11	0.01	0.21	0.86	0.07
Manganese	1.00	1.00	1.00	1.31	0.15	0.28	0.28	0.28
Cobalt	0.06	0.08	0.08	0.06	0.01	0.78	0.77	0.12

¹ NoVTM: No vitamin and mineral supplement was a pelleted product fed at a 0.45 kg·heifer⁻¹·day⁻¹ with no added vitamin and mineral supplement. ² VTM: Vitamin mineral supplement was a pelleted product fed at a 0.45 kg·heifer⁻¹·day⁻¹ (consisting of 113 g of a vitamin and mineral supplement, formulated to deliver similar levels of vitamins and minerals that were fed pre-breeding and 337 g of a carrier). ³ Heifers fed a pelleted blend of ground corn, dried distillers grains plus solubles, wheat midds, fish oil, urea, and ethoxyquin fed at a rate to achieve a targeted gain of 0.79 kg/d. ⁴ NoVTM-LG (n = 9); NoVTM-MG (n = 9); VTM-LG (n = 9); VTM-MG (n = 8).