Table 2. Immunostaining scores of Caspase 3 antibody after the effects of TBTCl on gonad tructure 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	8.00 ± 0.09	11.8 ± 0.78
50	10.0 ± 0.69	19.4 ± 1.58
100	11.2 ± 0.29	19.6 ± 1.60
200	12.2 ± 1.50	22.0 ± 1.64
300	9.00 ± 1.39	19.4 ± 1.58

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