... were not actually affected but we saw many that were. Foot and Mouth Disease (FMD) is a highly infectious viral disease in which fever is followed by the development of vesicles or blisters - chiefly in the mouth or on the feet. There are 7 main types of virus, which produce similar symptoms and which can only be differentiated in the laboratory. FMD can spread by direct or indirect contact with infected animals. Infected animals begin by excreting the virus a few days before signs of the disease develop. Pigs in particular produce large numbers of virus particles. The movement of animals, persons, vehicles and other things, which have been contaminated by the virus, spreads the disease mechanically. Airborne spread of the disease can also take place. Cattle, sheep, pigs and goats are susceptible to the disease and some wild animal such as hedgehogs, coypu, rats, deer and zoo animals ...

See this essay or coursework document in full right now