Pretty interesting stuff connie...

Shadi, there is nothing wrong with putting siblings together as a breeding group as long is you don't do it many times in a row. Many of us make our best breeding groups out of sibling pairings.

Connie, do you think it is possible that the parents / grandparents / and so on may have had it and you just didn't identify it???

I guess the easiest way to see if it is genetic or a bad pregnancy is to see if the next round of babies also have it.

I have never seen anything like you are talking about.