The latest figure I saw was published in 2000, it was claimed that twins only occur in 1 of 4000 brths. Herds that have selected for twinning only run in the high 30 percent range. This has been an abnormal year and a higher then expected ratio of twin births.
dun
> I saw the discussion on twins and
> was wandering how common are twins
> anyway? Are there any percentage
> numbers on this? Just curious,
> thanks for any info.