Phytoestrogens β-Sitosterol and Genistein Have Limited Effects on Reproductive Endpoints in a Female Fish, Betta splendens

Table 2

Histology and GSI measurements of adult female B. splendens across steroid and phytoestrogen exposures.

	Vehicle only	E2; (100 𝜇g/L)	Genistein; (1 𝜇g/L)	𝛽-Sitosterol; (1  𝜇g/L)	Gen (1 𝜇g/L); 𝛽-sit (1 𝜇g/L)
GSI; 𝐹73=1.90, 𝑃=0.12	0.08±0.03	0.07±0.03	0.06±0.03	0.08±0.03	0.10±0.034
Oocyte type (i); 𝐹60=1.48, 𝑃=0.22	0.31±0.13	0.28±0.14	0.29±0.14	0.25±0.11	0.37±0.12
Oocyte type (ii); 𝐹60=1.73, 𝑃=0.16	0.37±0.14	0.38±0.11	0.41±0.14	0.42±0.15	0.37±0.14
Oocyte type (iii); 𝐹60=1.17, 𝑃=0.17	0.15±0.05	0.19±0.04	0.17±0.04	0.17±0.03	0.16±0.03
Oocyte type (iv); 𝐹60=0.45, 𝑃=0.77	0.16±0.11	0.15±0.08	0.13±0.09	0.16±0.03	0.17±0.07