 As part of the trade , infants are pulled prematurely from their parents , leaving them unable to remove their own urine , feces , and oily skin secretions from their fur . Slow lorises have a special network of blood vessels in their hands and feet , which makes them vulnerable to cuts when pulled from the wire cages they are kept in . Slow lorises are also very stress @-@ sensitive and do not do well in captivity . Infection , stress , pneumonia , and poor nutrition lead to high death rates among pet lorises . The diets of wild slow lorises are poorly understood . Signs of an inappropriate diet in captivity include tooth decay , diabetes , obesity , and kidney failure . Pet owners also fail to provide proper care because they are often sleeping when the nocturnal pet is normally awake . 
