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In this study, the period of pregnancy of nine collared peccary females has been monitored through the analysis of serum progesterone and estradiol-17β profiles. Serum concentrations of progesterone increased by Day 4 after conception, reaching concentrations of 33.4±5.6ng/mL on Day 10. Between Days 10 and 130 progesterone values were maintained between 20 and 60ng/mL. In the collared peccary, embryonic...
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