Christina S. Cable, DVM, Dipl. ACVS
February 1, 2001
Neonatal isoerythrolysis is a silent stalker of foals. At birth, the foal is normal. In some cases, the foal shows subtle signs as an internal enemy attacks and the disease progresses to a point of no return; in others, it takes only hours for
Administration of hematinics (also known as blood builders) to horses, either in the form of dietary supplements or as injectable compounds, is commonly practiced by owners, trainers, and veterinarians.
Each year a small percentage of foals are born to mares whose immune systems, in an odd twist of nature, are prepared to battle their own foals. Antibodies from the mare, delivered to the foal in the colostrum it drinks soon after birth, attack