I think this is a fairly decent doe. I don't necessarily breed dwarfs, but I've been hanging around them some and watching the ND BOB Convention winner breeder's rabbits for a while because I'd like to show them on the side. (Hopefully picking up a pair from him in a few days
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From this picture I feel she doesn't have a lot of depth to her body and it seems like she's undercut. Might be the angle. I just feel like as I look at the slope of her back, it cuts inwards and just doesn't fill out the table.
Her ears look to have the right placement but it looks like they could be shorter. I think the reason they look on the larger side can also be because her head isn't really bold. Her bone looks a bit fine.
I'm not sure how it goes with ND, but my Mini Lops don't come into their head probably until 9-12 months. She may fill in some.
If I were breeding her, I'd find a buck that complements her weaknesses. Just remember, you can't make something out of nothing. Make sure to have the best quality buck you can.
Best tip: Line breeding. Turning your gene pool from a variety of possibilities, to something predictable. Knowing your bloodlines helps tremendously.
Also, remember the Netherland Dwarf competition is pretty stiff probably no matter where you go. Don't be discouraged and listen carefully to judges