I am only running 40+ head, and certain times of the year, might have 70+ head. I helped a neighbor process 330 new bred heifers. I am managing a fairly small cow/calf operation there are ranches around me that are not only famous, but enormous by comparison.
I check cattle daily and am always looking for out of the ordinary behavior, injuries ect.
Last year I had a bull that had learned he could walk through barbed wire fences and kept getting into the cow pastures. Not good. I let him in with the herd from mid April to mid August. That way, all the cows calve between mid February, and May.
Day before yesterday I saw a cow in the distance standing all by herself. She was alone and wasn't grazing. I was pretty sure I knew why, so drove as close as I could get, then got out and walked. Sure enough, she had calved that night, and was with her new baby. Hope he makes it through the winter.
As far as help, I don't have any. Ranchers occasionally help each other certain times of the year.