OXPHOS is necessary for egg production.

<p><b>A.</b> Eggs produced per fecund female during the first 24 h ex vivo, in the absence (Ctrl) or presence of oligomycin (Olig), antimycin A (Ant) or rotenone (Rot). <b>B.</b> Survival of females, compared to untreated cultured worms, during the same period and conditionS as described in A. <b>C.</b> Egg production between 24 h and 48 h in vitro following the washing out of inhibitors that were present during the first 24 h ex vivo. Data are means plus SEM of readings from 10 individual female worms per experiment. Data are representative of at least 3 individual experiments.