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1 July 1998 Relationship between Gonadal Steroids and Corticosterone during Blood Sampling in Saker Falcons
Abdul-Rahman S. Al-Ankari
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Abstract

Blood sampling in manually restrained or ketamine (15 mg/kg given intramuscularly) treated saker falcons (Falco cherrug) induced an increased concentration in plasma corticosterone. Elevated plasma progesterone, oestradiol 17β, and testosterone concentrations also were observed in some of these birds. An inverse relationship was demonstrated between levels of corticosterone and progesterone, but not with the levels of other hormones. It is suggested that progesterone measurement should be taken into consideration when studying the influence of stressors in falcons.

Abdul-Rahman S. Al-Ankari "Relationship between Gonadal Steroids and Corticosterone during Blood Sampling in Saker Falcons," Journal of Wildlife Diseases 34(3), 653-655, (1 July 1998). https://doi.org/10.7589/0090-3558-34.3.653
Received: 26 June 1997; Published: 1 July 1998
KEYWORDS
blood sampling
Corticosterone
Falco cherrug
gonadal steroids
saker falcons
stressors
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