PSA: I found out most beef carcasses lose 40% of their weight before they hit the counter

I was reading through some old USDA data from 2019 and it said the average steer loses almost 40% of its live weight just from dressing and chilling. That means if you buy a 800 lb steer, you're only getting maybe 480 lbs of actual carcass to work with. But here's where I'm torn - some old timers in my shop say the real loss is even higher once you trim fat and bone out for retail cuts. Others argue that modern breeding has made the yield better than those stats show. I don't know who's right, but it kinda makes me wonder how much we're actually paying for when we buy a whole animal. Has anyone else dug into the actual yield numbers and seen something different?

3 comments

3 Comments

the_jamie10d ago

That article from Meat Science Journal a while back broke it down even further, like closer to 50% total loss once you factor in kidney fat and hanging tenderloin trimming. Modern genetics have helped a little, but not by as much as the sales reps like to claim.

elliotm5710d ago

What was the sample size on that study? Always curious if those numbers hold up across different breeds or if it's mostly relevant to the commodity stuff you see in feedlots.

emmam8910d ago

The_jamie is right on the money with that 50% number. Once you start trimming kidney fat and pulling out the hanging tenderloin, you're losing way more than people realize. I've seen it firsthand when helping a buddy break down a side of beef, and it was shocking how much ended up as trim or scrap. Modern breeding helps a little, but you can't cheat the basic physics of bone, fat, and moisture loss. The sales reps love to talk up yield improvements, but the real numbers don't lie. Paying for a whole live weight steer is basically paying a 40-50% premium on air and bones.

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