"The semen of several mammals contains vesicles of different composition and origin. We have recently reported on the presence of lipoprotein vesicles in stallion semen. To a certain extent, these resemble human prostasomes, but differ from them in amount and composition. These horse-semen prostasome-like vesicles may be important, not only in horse reproductive physiology, but also in view of stallion semen cryopreservation. In this paper, we have studied horse-semen prostasome-like vesicles and found that they possess less saturated fatty acid than human prostasomes. Moreover, their protein pattern (SDS-PAGE electrophoresis) shows that the 30-50-kDa fraction is less abundant in stallion vesicles. In addition, fluidity (measured as fluorescence anisotropy of diphenylhexatriene) is higher in horse prostasome-like vesicles than in human prostasomes, albeit being much lower than that of most membranes. These findings may be connected to some species-related differences in reproductive physiology: the vaginal milieu of the mare is not acidic and the deposition of semen is intrauterine in the horse but vaginal in humans."
I'm not sure but I think this say's horse semen is better for you than human semen. At least it has less saturated fat. So by all means swallow.
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I have a brontosaurus and you don't. So there.
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