Table 1. Iron and ferritin concentrations in fetal horse plasmas.

No.	Sex	Gestational age (days)	iron (μg/ml–1)	ferritin (ng/ml–1)
1	M	130	1.48	18
2	M	155	2.90	22
3	NE	185	3.17	37
4	F	260	1.64	16
5	F	270	2.46	35
6	M	315	2.37	13
Mean ± SD			2.34 ± 0.67	24 ± 10

NE: not examined.