Fig. 2. Plasma levels of estradiole (T) in female Clarias gariepinus
breeders, 6 h (closed column, lowercase letters) and 12 h (open
column, capital letters) after treatment with saline (control), ovaprim,
GnRH(20), GnRH(40), PIM(8), PIM(16) and the combined
GnRHaPIM (204), (308) and (4016). Vertical bars represent
standard error of triplicate measurements. Different letters indicate
significant differences (P 0.05) among treatments. Data are expressed
as mean SEM.
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