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).
1 The shigella bacillus, a bacterium that invades the lining of the colon, is one of several infections that can cause dysentery. 2  Other causes of dysentery include the parasite amoeba and the bacteria E. coli, Yersinia, and others.acillary dysentery, also known as shigellosis, is a potentially dangerous and extremely contagious bacterial infection of the colon. Symptoms develop after an incubation period of one to four days and generally subside within 10 days.