HGG Community Forums

You can pull an egg from any unbred, non pastured mare older than three and younger than 20. Once you have pulled a single egg, you have to wait 5 days before pulling another. For example, if you pull an egg on the first of the month, you cannot pull another on the 1st, 2nd, 3rd, 4th, or 5th. On the 6th, you can harvest another. If you flush the mare and remove all her eggs at once, you cannot do it again until the next game year.

The mare cannot be in a pasture. If they have been bred by straw or live cover, you have to wait until the next game year.

I hope this helps.

This section of the FAQ Users guide should help, but you can also find more useful information throughout that lengthy resource.
https://www.huntandjump.com/faq.php#91

This is a very complex game (like real life, on which it is modeled), so never feel bad about needing to ask questions. :)

That’s right! OP has premium, so it’s all good :)