Fatal haemolytic anaemia, dermatological problems and low breeding success which seem to be associated with multiple nutrient deficiencies, are common in the captive black rhinoceros.
From the newscientist.com
In his clinical role, Woodruff started a vascular surgery program and worked with the use of immunotherapy as a cancer treatment as well as the treatment of autoimmune haemolytic anaemia.
From the en.wikipedia.org
The result can be haemolytic disease of the fetus or newborn, which, in extreme cases, causes severe anaemia in the fetus, stillbirth or the death of the baby shortly after birth.