This study found that in both rodents and humans, knee laxity increased at certain phases of the reproductive cycle due to sex-steroid influence, particularly under high levels of estrogen and progesterone.
36 citations
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July 2005 in “Journal of Neuroendocrinology” This study suggests that both the central biosynthesis and metabolism of progesterone to 3α,5α‐THP in the ventral tegmental area are crucial for facilitating lordosis in female rats.
Different drugs are used to manage breeding, prevent or end pregnancy, and treat reproductive issues in dogs and cats.
26 citations
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August 1995 in “The journal of experimental zoology/Journal of experimental zoology” This study found that administering melatonin to ferrets can advance the timing of fur growth and reproductive cycles influenced by daylength and hormonal control.
25 citations
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February 1977 in “American Journal of Veterinary Research” This study concluded that exposing anestrous brood mares to a 16-hour photoperiod in early December led to endocrinologically normal estrous cycles starting within two months, enabling earlier breeding and foaling.