MOODY MARES: Sarah Stoneham says...
Aug 19, 2021
3 minutes
Cycle of seasons
Q At what ages do seasons begin and end, and how often do mares come into season? Leigh Mitchell, Warks
Fillies usually become sexually mature at between 12 and 15 months of age, some time during the spring/summer of their yearling year. They continue to cycle into old age, although age-related diseases such as PPID (pituitary pars intermedia dysfunction) — also known as Cushing’s — can affect the reproductive cycle. Unlike humans, mares do not go through a menopause, although there is a significant
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