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Puberty in the mare & stallion. Mare - puberty occurs at around 18 months of age Mare is seasonally polyestrus (spring & summer) Cycle consists of oestrus, diestrus & anoestrus Anoestrus during winter Each cycle lasts 21 days (oestrus lasts 5 days)
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Puberty in the mare & stallion • Mare- puberty occurs at around 18 months of age • Mare is seasonally polyestrus (spring & summer) • Cycle consists of oestrus, diestrus & anoestrus • Anoestrus during winter • Each cycle lasts 21 days (oestrus lasts 5 days) • Stallions- puberty Occurs at 15 months approx
Oestrus cycle hormones • Oestrogens: assist shy mare to show oestrusoestrus synchronisation (combined with progesterone) • Progesterone:synchronise oestrus