EN
Conditions common to foals in the neonatal period that may result in a requirement for blood and plasma transfusion or augmentation of oxygen carrying capacity have been discussed. Methods of recognition and management of massive blood loss, isoerythrolysis in a foal were described. Administering colostrum, plasma or other products because of the failure of passive transfer has been presented. The use of hyperimmune plasma in first days of life as an effective method for protection against acquired Rhodococcus equi pneumonia in foals is reviewed. Detailed information about the range of blood and derivative products, oxygen carrying substances, indications and methods of administration, monitoring the patient in the field and hospital condition are given. Prevention, recognition and treatment of possible post-transfusion reactions are described.