Relaxin and progesterone during pregnancy and the post-partum period in association with live and stillborn calves in bottlenose dolphins ( Tursiops truncatus )

Research highlights ► A heterologous relaxin and progesterone RIA were successfully validated for bottlenose dolphins. ► Both hormones were detected in serum and placenta collected during pregnancy and post-partum. ► Relaxin increased from low levels during early pregnancy to high levels during late...

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Bibliographic Details
Published in:General and comparative endocrinology 2011-02, Vol.170 (3), p.650-656
Main Authors: Bergfelt, Don R, Steinetz, Bernard G, Lasano, Salamia, West, Kristi L, Campbell, Michelle, Adams, Gregg P
Format: Article
Language:English
Subjects:
Animals
blood serum
Bottle-Nosed Dolphin - physiology
Bottlenose dolphins
calves
Cetacea
dolphins
Endangered Species
Endocrinology & Metabolism
Female
humans
Marine
Postpartum Period
Pregnancy
Pregnancy, Animal - physiology
Progesterone
Progesterone - blood
Radioimmunoassay - methods
Radioimmunoassay - veterinary
radiolabeling
Relaxin
Relaxin - blood
Stillbirth - veterinary
Stillbirths
Tursiops truncatus
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Summary:Research highlights ► A heterologous relaxin and progesterone RIA were successfully validated for bottlenose dolphins. ► Both hormones were detected in serum and placenta collected during pregnancy and post-partum. ► Relaxin increased from low levels during early pregnancy to high levels during late pregnancy. ► Progesterone decreased from high levels during mid-pregnancy to low levels during late pregnancy. ► Both hormones were lower in dolphins with stillbirths compared to live births.
ISSN:0016-6480
1095-6840
DOI:10.1016/j.ygcen.2010.12.002