She usually has very large twins.
The Black Welsh ewes vary in size. The yearlings having their first lamb will probably have singles so they are smaller. Most of the older ewes will have twins. The BW ewes weigh 75-100 pounds. Their lambs will weigh 5-8 pounds each. Lamb weight to mothers weight is about 7%. A mother carrying twins could have 12% (plus fluids) of her body weight added!
An adult Corriedale ewes' weight is 200-225 pounds. The average size lamb will be 10-12 pounds. This lamb weight to mothers weigh is 5%. A mother with quads could have 13% or more weigh added to her own (plus fluids)!
So when will the first lamb be born? There have been many guesses. If you haven't entered your guess, there is still time. Check out the details in the previous blog entry. Good luck everyone! And best wishes to all you ewes out there.