I see @Woolless has just asked the question I was going to ask - how small are they? I certainly think an OP bull might well suit so long as the birth weights are low. Don’t know how reliable EBVs for calving ease are in OPs - most have positive EBVs because they are being compared with modern Herefords and refer to pedigree herds. Generally OP calves are 30-40 kg at birth. Try to find one bred from old MMB semen if you can perhaps.Interesting.
The reason I ask is because something I'm pondering at the moment is what to use as a terminal sire over small (and very small!) natives that I don't want to breed replacements from. I've had a couple of cows that have had Hereford calves, but not from any of my own bulls. Calving ease is top of the list and finding anything remotely "terminal" that offers this, without the bull being too big for the cows, easy calving etc is difficult to say the least. I'm now wondering if a young OP Hereford bull would fit the bill, especially if he won't hit fully mature weight and size for a while, so wouldn't put too much strain on the cows mating them.
We have plenty but not for long - vet is sharpening the knife
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