The quality of eye is not unique to Border Collies, but it is stronger and more consistent in that breed than in English Shepherds or Australian Shepherds. Both Australian Shepherds and English Shepherds work in a what is often called a loose-eyed fashion, to contrast it to the strong eye of Border Collies.
Spina bifida is a type of birth defect of an unborn baby's brain, spine, or spinal cord. Screening tests during pregnancy can detect. Spina bifida is a type of birth defect of an unborn baby's brain, spine, or spinal cord.
Diagnostic tests that can identify Down syndrome include: 1  Amniocentesis â performed after week 15. 2  Chorionic villus sampling (CVS) â performed between the 9th and 14th week. 3  Percutaneous umbilical blood sampling (PUBS) â performed after week 18.