There is no antonym. However, there are phrases and terms that might work:
Anemia is an illness. The opposite of anemic is healthy.
polycythemia
There are 3 types of Livestock anemia. Infectious anemia, Nutrition anemia, and bovine anemia. Bovine anemia is found mostly in cows.
Iron-deficiency anemia
Pernicious Anemia
An anemia caused by vitamin B12 is pernicious anemia while deficient in iron is iron defeciency anemia.
Anemia is reduced hemoglobin in blood. One cause of anemia is blood loss. Bleeding is called hemorrhagia. Anemia caused by blood loss is hemorrhagic anemia.
It sounds like you are looking for Sickle Cell Anemia.
anemia
Fanconi anemia (FA)English word Anemia Afrikaans language anemie
Its not plastic anemia , its aplastic anemia, defect in the bone marrow to form blood cells.
A deficiency of copper can lead to anemia.
Iron deficiency affects the formation of blood cells, especially the red blood cells. If they get low in number it is called anemia.
Pernicious anemia