Cow is to Heifer as Ewe is to What?

I did a little research online as I was writing my post about getting the ewes bred. From that time spent surfing, I’ve discovered that there is no special name given to a ewe who has either never had a lamb or who is expecting or has just had her first lamb — at least no name that’s widely known and used.

I thought there might be a special term for these young, inexperienced ewes, because in cattle, these are called “heifers” while the more experience mamas are simply called “cows.”

My father- and brother-in-law often refer to the “heifers” or “first-calf heifers,” and these cows are handled differently when they are bred. At our ranch the heifers are generally artificially inseminated with the bull’s “seed” rather than allowed to be bred naturally by the pasture bulls.

The AI-ing is done to increase the likelihood that the heifers will be successfully bred, to shorten the calving season (they all calve closer together when they are all bred on the same day), and to control by exactly which bull they are bred. It’s generally not a good idea to use a bull that has a history of throwing larger birth weights on a heifer. Heifers must also be more closely watched when they are calving as they are at an increased risk of having trouble during delivery.

But enough about cattle. The things is, other than the AI-ing things, first-lamb ewes have many of the same potential issues as heifers. So I wonder why do cattle have a special designation for this situation and sheep don’t?

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