I seem to forget to login here for months at a time and then I catch up in a day lol!
We raise fullblood American Aberdeens and then we'll have a couple moderators (%) for our beef customers who like a bigger carcass. When you get good ones, they're fantastic but they do still need some work. Our focus is the red/red carriers so I can't vouch for the majority of the homozygous black and we're a small herd to boot. We've been told we're too hard on our herd, which could be true since I've only kept back a handful of calves but then sold all but three of them. One of them is on the possible sale list because I'm not liking the way his feet look.
Feet are a really big hit or miss. We've had several that just grow long, but I do have one that is showing signs of corkscrew now that'll be culled when we get enough room at the butcher. We do the Neogen beef profiles and that one is very heavy on the maternal side of the herd and her dam never showed a foot issue but I culled her because she was a bit on the protective side for what we need in our pasture. However, I don't see many breeders talking about their herd's feet.
We've only had two unrelated cows with a larger bag than ideal, one was culled because she made some super small calves and the other is sticking around because she adds muscle, good feet, and hip to the reds I've crossed her on. There's a lot of six teat-ers that crop up in the fullbloods as well, other things need corrected before I focus on that clean up in our own herd.
I'll say the breed itself suffers from the quirky hobbyist standpoint (not as an insult but as an experience) that they only want to brag about the good and never talk about the ugly. The office is rough to deal but if you catch them on a good day they are helpful. Finding breeders is also tough because the loudest ones that post a lot also tend to be the most hypocritical when it comes to being strict on their herd and culling.
Tequila bred lines tend to be a bit waspy. Kobblevale Surprise (pricey but slowly coming down) tend to be very quiet (I have three out of that line and a calf) but I can't vouch for the meat quality as of yet. AVR Dominator made a really pretty steer for me but was a bit slower to mature. He's bragged on for maternal qualities. I've heard of some docility issue with some MCR lines but can't remember which ones but they have the beef production on lockdown with their herd. Semen is available through a lot of breeders, I tend to run from anyone not willing to answer any questions about their productions, calving behavior, or don't have records to reflect back to.
Just my two cents