dairy calves for beef

I dont have free milk or I would definitely feed milk longer. That would also likely impact how long I kept them prior toprocessing. My cattle are on a grass only diet after fully weened. I do not use hay as a significant part of my feeding plan. I stockpile forage for that prupose, which is cheaper form an equipment standpoint, but I suppose land costs have to figure in. Right now I have a very favorable land lease and not nearly enough cattle to eat all the grass so for me grass is basically free. steers grow much slower on a grass only diet. My holstein from last march is approaching 15 months and is maybe 650 lbs. He looks real nice, but no where even close to finished. Now May of next year may be different. But I am guessing the fall of that year will be closer to finished. I am new and havent eaten any 30 month old beef. Maybe I will hate it. In which case i will change my hole program. But from what I have read 30 month old well finished grass finished beef is quite good.

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Sold the farm no more critters
I have a postage stamp lot now
I aim to make it the most organic productive 1/3 acre in southwest Missouri
With a 20 acre plot to be added in 3 years or so