First thoughts are that either there is something happening just before you see the feet fall apart in June that is causing this (i.e., ground hardens or softens; growth accelerates outstripping trim interval; fly irritation escalates, with foot stomping increasing) or that something is occurring around the seasonal time that is affecting the hooves but you don't see the manifestation until 6-9 months later, when that affected growth is getting close to the ground.

Seasonal rise affects all equids, whether they are additionally compromised by IR/PPID or not, by making them more IR as a part of the preparation for winter. In most parts of the world, winter and summer footing is quite different so could have an effect.

This would be a good question to also cross-post to the min group.

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Lavinia

Moderator/ECIR Support