Livestock, as a part of the global food production and ecological systems, is a key commodity for the well-being of humans. In future huge increase in the demand of animal production is expected to happen. Where food and water security will be the most important priorities for humankinds in the 21st century. The World will experience change in the global climate that will also cause shifts in the local climate that will have an impact on local and the global agriculture. This book reviews the impact of climate change on the health status of livestock and incidence of diseases, following the theory of global warming.