Veterinary assistants and laboratory animal caretakers look after animals in laboratories, animal hospitals, and clinics. They care for the animals by performing routine tasks under the supervision of scientists, veterinarians, and veterinary technologists and technicians.
Dysentery is an inflammation of the intestine causing diarrhea with blood. Other symptoms may include fever, abdominal pain, and rectal tenesmus (a feeling of incomplete defecation).
The two most common causes of dysentery are infection with bacteria of the Shigella group, and infection by an ameba called Entamoeba histolytica.They are primarily diseases of the tropics, but may occur in any climate.he two most common causes of dysentery are infection with bacteria of the Shigella group, and infection by an ameba called Entamoeba histolytica.