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Table 1 Effect of activin on antrum formation and granulosa cell death on Day 6 of culture. Values are mean ± SEM.

From: Activin promotes oocyte development in ovine preantral follicles in vitro

Treatment

% Follicles with Antrum

% Granulosa Cell Death

Control (n = 25)

25.0

1.4 ± 0.4

Activin A (10 ng/ml) (n = 25)

47.4

0.5 ± 0.1

Activin A (100 ng/ml) (n = 25)

33.3

2.5 ± 1.1