Introduction; Glossary (terms and definitions); The system in parasitic helminths; PART I: Helminths as disease agents (detailed descriptions of disease entities caused by flukes, tapeworms, roundworms and thorny-headed worms); PART II: Anthelmintic therapy and control (principles of cost-effective and safe use of anthelmintic medication); Anthelmintic resistance; Non-chemotherapeutic control alternatives (management strategies, breeding hosts for worm resistance, helminth vaccines, biological control); Planning of integrated control strategies (for horses, cattle, sheep, goats and pigs); PART III: Diagnostic helminthology: detailed description of techniques used both in the laboratory and in the field for the diagnosis of helminth infections (examination of faeces, urine, blood, muscles, skin, post mortem worm count techniques; molecular biological methods); Charts of worm eggs of major host species; APPENDICES: Multilingual dictionary of helminths; References and further reading; Index.