> In the spring, the flush of new growth is extremely rich in sugar and certain types of horses (and particularly ponies) can be subject to laminitis (inflamation of the sensitive laminae of the hoof) as a result.

>> Yet another reason why you shouldn't ride a horse in a hayfield.
>> I rest my case.

The laminitis comes from EATING the grass, not riding on it! Sorry if I gave the wrong impression.

Christabel