Blood and blubber were sampled from live-captured beluga whales in Bristol Bay, Alaska. Progesterone levels were used to assess pregnancy status. For most cases, blubber progesterone levels correlated with serum,… Click to show full abstract
Blood and blubber were sampled from live-captured beluga whales in Bristol Bay, Alaska. Progesterone levels were used to assess pregnancy status. For most cases, blubber progesterone levels correlated with serum, indicating that pregnancy can be assessed using a remote biopsy and thereby providing a valuable tool to better understand reproduction dynamics from populations that cannot be readily captured for examination.
               
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