Plasma concentrations of progesterone (P4) and 17β‐oestradiol (E2) in juvenile, pre‐ovulatory, early, mid‐ or late pregnancy stages of female blue sharks Prionace glauca were analysed. Concentrations ...
IN VIDEO PLAYER: Previous coverage of announcement of expecting elephant. TUCSON, Ariz. (KGUN) — Zoo staff are making sure Semba, the Reid Park Zoo's expecting elephant mother, is staying healthy ...
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