The continuing emergence and evolution of tick-borne diseases has significant implications for animal and human health, and the profitability of food animal production. These problems are enhanced by the spread of ticks to new regions, and many tick-borne diseases having zoonotic capability. This book is an expansion of the EFSA report on the subject, and details the significance of tick-borne diseases, identification of tick species, emerging tick-borne infections, factors influencing the spread and distribution of ticks and surveillance and control measures.