Effect of manganese on heat stress protein synthesis of new-born rats

Table 1 Effect of Mn on reproduction in female rats (^-x±s, n = 8)

Mn (mg·kg-1)	Gestation (d)	Puerpera female rats (n)	Paturition index (%)	Tatol Filial rats (n)	Puerperal female rats Fetiferous quality (n)	Pregnant female rats fetiferous quality (n)	Livabilit of d 1 filial rats (%)	Newborn rats’ mass (g)	Newborn rats’ height (cm)
control	21.3 ± 0.8	7	87.5	68	9.7 ± 2.1	8.5 ± 3.9*	98.5	5.89 ± 0.49	5.2 ± 0.25
7.5	21.8 ± 1.2	6	75.0	41	6.8 ± 3.1	5.1 ± 4.1	95.1	5.47 ± 0.54	5.1 ± 0.36
15	22.2 ± 0.8	5	62.5	33	6.6 ± 2.7	4.1 ± 3.9a	87.9	5.38 ± 0.53	4.98 ± 0.35
30	22.7 ± 1.5	3	37.5	15	5.0 ± 2.6a	1.8 ± 2.9b	73.3b	5.13 ± 0.51	4.87 ± 0.38

^aP < 0.05,

^bP < 0.01, vs control.

Table 2 Effect of Mn on traceelements in newborn rats’ livers (^-x±s, μg·g^-1)

Mn (mg·kg-1)	Filialrats (n)	Mn	Cu	Zn	Fe
control	5	0.88 ± 0.18	83 ± 9	335 ± 50	286 ± 42
7.5	5	1.38 ± 0.18b	75 ± 21	254 ± 50a	271 ± 88
15	7	2.73 ± 0.65b	68 ± 24	263 ± 47a	426 ± 125a
30	5	3.44 ± 0.89b	78 ± 18	213 ± 28b	572 ± 175b

^aP < 0.05,

^bP < 0.01, vs control.

Table 3 Effect of Mn on SOD and HSP70 in brains and livers (^-x±s)

Mn (mg·kg-1)	FilialRats (n)	Brain		Liver
		SOD / ku·g-1	HSP70/ × 103 A	SOD / ku·g-1	HSP70/ × 103 A
control	8	4.91 ± 0.37	14.3 ± 1.4	5.95 ± 0.36	13.4 ± 1.0
7.5	9	5.04 ± 0.43	16.0 ± 1.8	5.96 ± 0.41	19.6 ± 3.9b
15	7	4.83 ± 0.48	14.4 ± 1.4	5.41 ± 0.44a	18.5 ± 3.8b
30	6	4.60 ± 0.84	19.5 ± 1.3b	5.87 ± 0.68	22.4 ± 1.9b

^aP < 0.05,

^bP < 0.01,vs control