I think they also take in to account gestation length and birth weight we also have to supply pelvic measurements, other breeds may do it different though I don't knowSorry, not meaning to tar anyone with brushes
Honest question as to how they are derived in the first place.
Can understand caeasrs but surely the odd pull could be "forgotten" by some given the price differences that now seem to be at stake.
if you want the figures to work as they should for you and everyone else you have to be honest