The livestock sector is undergoing rapid changes in response to pressures from globalization and rapidly growing demand for animal food products in developing countries. The centre of gravity of livestock production is moving South, and a few developing countries are emerging as powerful new players on the global scene. At the same time, the market chains for livestock and their products are rapidly being transformed. While trade is expanding much faster than production, it is constantly under threat by disease outbreaks and this puts increasing pressure on veterinary services to improve their management of transboundary diseases. 91 pg. report.