Table 3. Immunostaining scores of HSP70 on gonad structure of tissues exposed to TBTCl of male and female A. salina (n = 5, five fields/slide).

TBTCl (ng.l−1)	Testis	Ovary
0	0.00 ± 0.00	0.00 ± 0.00
25	9.40 ± 0.90	20.0 ± 1.90
50	7.20 ± 0.49	18.6 ± 2.38
100	11.2 ± 0.29	20.0 ± 1.89
200	10.8 ± 0.49	22.8 ± 1.58
300	12.2 ± 1.50	24.8 ± 2.79

Scoring methods: 0:Normal; <5: Mild; <10: Moderate; and up to 20: Severe. All data are presented with ± SE.