Table 2.

Total tract retention (% of intake) of minerals in broilers fed a maize–soybean meal-based diet during the first 14 days post-hatch.

	Day
	3	5	7	9	14
Calcium	43	45	40	42	40
Phosphorus *	60	55	47	49	49
Potassium *	49	38	34	35	30
Sodium *	95	68	66	63	68
Magnesium *	39	29	26	27	23
Iron *	34	20	21	24	21
Manganese *	25	13	11	17	11
Zinc *	28	13	10	13	0
Copper *	23	12	8	9	4

* Significant age effects (p < 0.05).