There are few data on plasma testosterone concentration female camel (Tibary and Anouassi 1997). Plasma testosterone could change from 50 pg/ml up to 1000 pg/ml according to the size of follicle (Homeida et al. 1988). The parallel increase in follicle size and estrogen and testosterone concentration suggested that both hormones are secreted by the follicle as for other domestic species. A seasonal variation in female testosterone was reported (El-Harairy et al. 2010) with a significant higher.
Min. 50 pg/ml = 0.05 ng/ml = 0.0013 nmol/l
Max. 1000 pg/ml = 1ng/ml = 0.026 nml/l.
Value in winter (31.20 1.48 pg/ml) than in spring (7.30 0.63 pg/ml) and autumn (10.70 0.32 pg/ml), the lower value being observed in summer (5.80 0.43 pg/ ml). The decrease of Testosterone in summer season could be partly explained by the inhibitory effect of high prolactin levels at this time of the year corresponding to the peak of lactation (Musaad et al. 2013).
In camel urine of racing she-camels, the endogenous testosterone concentration was determined in low quantity (87.9 140 pg/ml) with not-normal distribution (Abdel-Hadi et al. 1998).
87.9 pg/ml = 0.0879 ng/ml = 0.0023 nmol/l.
The Camel owners are using Testosterone hormone for female to increase the muscle building mass which is very limited value, especially when using for the adult camels. A lot of practices that have been used by owners without any scientific background or even significant clinical result. The perception about some medication that is the only guide for such practice.
Recently the authorized committees test the blood Testosterone level before competition to excludes the camels that have been injected by Testosterone and applied penalties to eliminate using of the hormones.
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