*Equid intestinal roundworms, Parascaris sp. and Strongylus. *Salmonella bacterial infection *Pneumonia and pleuritis *Acute heart lesions due to stress *Tetanus and anthrax *In northern Kenya in 2005-2006, an outbreak of anthrax affected Grevy's Zebra; 53 Grevy's and 26 Plains Zebra died; 620 Grevy's Zebras were vaccinated to halt the spread. *Tsetse flies (Glossina) do not feed on Grevy's Zebra; these equids do not carry sleeping sickness (trypanosomiasis). *Scientists tested whether this zebra's stripes offered camouflage from tsetse flies; results were inconclusive. *A blood protozoan, Babesia sp. from blood-sucking parasites *External parasites seen in zoos: lice, mange mites, ticks *Internal parasites: botfly larvae in the stomach, roundworms in the lungs, tapeworms in intestines or as cysts in muscles. *Two Grevy's Zebras were poisoned in 1995 by leaves of a hybrid Red Maple trees (Acer rubrum) at St. Louis Zoo. Horses first reported in 1981 to be susceptible; even small amounts of red maple leaves can be toxic to ponies. *First report in 2000 of a zebra infected with a nematode worm, Halicephalobus, that is known to infects horses and is usually associated with decaying plant material.
|