Ekurhuleni veterinarian found guilty of abusing monkey still practising on animals Nica Richards The monkey was euthanised shortly after being discovered, by Dr Katja Koeppel, at the Johannesburg Zoo. Picture: Supplied Dr Elfreda Alberts maimed a vervet monkey which had to be euthanised. The NSPCA is now hoping that Albertsâs licence to practise as a veterinarian will be revoked. Warning: This article contains images and information which may be upsetting to some readers. A veterinarian found guilty of animal abuse and owning an indigenous animal without a permit is still actively practising, much to the shock and dismay of the National Council of SPCAs (NSPCA).