To prove my point, or not?

Has anyone had as many calving problems with Fall calvers? Versus Spring?

I've been told that fall calves are smaller than spring by so many people that I assumed it was common knowledge.

Fall calvers almost always calve by themselves. For a few years, I calved 30 cows in the fall, just to spread out the labour required doing calving season. There is a limit to what one person can do!  My fall calvers calved on a pasture 5 miles from home, and in 5 years I never saw one born, and I do not remember losing a calf at calving time. I never even checked them real regularly.
A friend of mine, moved his calving time from February - March , to May and June, several years ago. He runs over 400 cows and he drives through once every couple days just to tag the calves. I have no idea how he catches them as he uses black Simmi bulls on Angus and Angus cross cows. It is not so much catching the calf, rather it is keeping an angry black range cow from trying to do her Fred Astaire impression on your chest. He says he very seldom has had a calf die during calving, and I don't think he can even remember where he put his calf puller and chains.

Jeff_Schroeder said:

I've been told that fall calves are smaller than spring by so many people that I assumed it was common knowledge.

Click to expand...

Why? Do bulls produce smaller Sea mans in December?

The reasons I've been given include more blood flow during the winter and the difference in what cows have to each in Jul-Sep vs Dec-Feb.

We're fall calvers due to other reasons so I've never really cared to research it further.

We have had so many feet and heads back in the last two years that size really didn't matter.