Feces May Transmit Fatal Cheetah Disease [News]
A fatal, Alzheimer's-like disease that attacks cheetahs' internal organs and has impeded breeding of the cats in captivity may be spread by their feces. Researchers from Japan and China report in the journal Proceedings of the National Academy of Sciences USA that the disease, AA amyloidosis, was transmitted to mice exposed to fecal proteins from a cheetah that died of it.The cheetah is classified as an endangered species. Only 12,000 to 15,000 are believed to remain in about 25 countries, down from 100,000 in 44 countries in 1900, according to the Cheetah Conservation Fund. Breeders would like to have a self-sustaining population of cheetahs in captivity, but in North America only 20 percent of captive cheetahs reproduce, and only 75 to 80 percent of cubs survive to reproductive age, says Adrienne Crosier, a reproductive biologist at the National Zoo in Washington, D.C. [More]
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