An immune mediated haemolytic disorder of foals due to the absorption of colostral immunoglobulins, which contain antiRBC antibodies against RBC from the stallion.
Most commonly seen in Aa or Qa negative mares due to sensitisation of the blood group during pregnancy of blood transfusion. Clinical signs – Foal will be normal at birth then develop signs after ingestion of colostrum.
Signs include anaemia, jaundice, depression and death.
If severe signs within 12 hours, milder forms 2-3 days Treatment is a blood transfusion Prevention – if the mare has had NI foals before then observe the foaling, do not allow the foal to nurse for 24 hours (but supply another colostral source) Research tasks – other medical condition of the foal Neonatal Maladjustment Syndrome Failure of Passive Transfer of Immunoglobulins Joint Ill and septicaemia Pneumonia Contracted tendons Angular Limb Deformities Foal heat diarrhoea Alimentary diseases of the foal What is a retained meconium? One sentence for signs treatment and prognosis.
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