Worms- How do you treat infected livestock

Cause
Worms living in the intestines of chickens fall mainly into four  categories.
1. Roundworms (Ascarid), usually 5 to 7 cm (2-3 inches) long.
2. Hair worms (Capillaria), only measure 1-1.5 cm long.
3. Caecal worms (Heterakis), usually 1.5 cm long.
4. Tape worms (Raillietina, Davainea),  usually 7 to 10 cm long, consisting of many small segments.

Animal Diseases

Animal disease is an impairment of the normal state of an animal that interrupts or modifies its vital functions.

Concern with diseases that afflict animals dates from the earliest human contacts with animals and is reflected in early views of religion and magic.