You can download Manual of Diagnostic Tests and Vaccines for Terrestrial Animals: (mammals, Birds and Bees) 6th Edition 2008 by OIE free in pdf format.
The Terrestrial Manual contributes to the international harmonisation of diagnostic methods, the surveillance and control of the most important animal diseases as well as the certification for international trade of animals and animal products. Standards are described for laboratory diagnostic tests and the production and quality control of biological products (principally vaccines) for veterinary use across the globe. …an outstanding compilation of diagnostic procedures and a ready source of information …designed for practical use in the laboratory setting. Journal of Parasitology