Freeze them if you like. I've frozen eggs for a year then thawed them and cured them and had no visible difference in catch rates compared to the freshly cured eggs. Make sure to wipe off any frost first when you thaw them, and thaw them in the fridge. And make sure like RK43 said, get all the blood out or they will get a rotten smell to them. I also suggest getting them as cold as possible in the fridge first before the freezer. This will prevent bursting or whiteing.