sentences:  Foals present normally at birth, but over the following 12–72 hours weaken, become depressed, and have a decreased suckle response.Signs typical of hemolytic anemia occur, including tachycardia (increased heart rate), tachypnea (increased respiratory rate), dyspnea, pale mucosa which becomes icteric by 24–48 hours of age, and occasionally hemoglobinuria.In more severe cases, seizures may occur secondary to cerebral hypoxia.