The use of laboratory animals in all kinds of experiments and in many different disciplines (ranging from biomedical sciences to cosmetic industry) has been the subject of much controversy. Huge social pressure is more and more resulting in the restriction of the number of laboratory animals and the substitution by alternative examination methods where possible. Experiments which uncompromisingly require the use of animals, need to be carried out with due regard to the national and international legislation concerning animal welfare and the protection of laboratory animals. The European Council has drawn up a number of guide-lines regarding the study- and training programmes for people dealing with laboratory animals. In this respect, a study programme was set up for both scientists involved in animal experiments (category C) and specialists in the field of "Laboratory Animal Science" (category D).