Developments in dairy practice. During the last 25 years many Western countries have witnessed substantial changes in the role of veterinarians working in dairy cattle practice. Until the 1970s, the emphasis of their work ...

Xenografting (xg), or xenotransplantation (xt), may be defined as the transplantation of cells, tissues or organs from one organism into another of a different species. In practice, however, discussions on the topic tend ...