Research Article

Grape Seed Proanthocyanidin Extract Prevents Ovarian Aging by Inhibiting Oxidative Stress in the Hens

Figure 1

Ovarian histology and hierarchical follicle number in hens at different ages. (a) Representative morphology of ovarian tissues in hens aged 90 (A), 150 (B), 280 (C), and 580 (D) days was demonstrated by H&E staining. Scale bar: 100 μm. (b) The numbers of the hierarchical follicles (with diameters over 12 mm) were compared in hens aged 150, 280, and 580 days ().
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