A spiral, soft bound, 244 page reference manual authored by William J. Foreyt. Details life cycles, importance, location in host, zoonotic potential, current literature as well as diagnosis and treatment. Features 520 photographs and drawings plus over 56 tables. Includes usable, easily understood material i.e., how to perform and prepare fecal material for analysis, how to identify what you see in your microscope, etc. A very cost effective, affordable and invaluable tool for the goat herder and livestock owner.