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Bovine Spongiform Encephalopathy

Bovine Spongiform Encephalopathy. Samantha Pollard. Facts about BSE. Bovine Spongiform Encephalopathy is commonly known as Mad Cow Disease. As the name indicates this disease is mainly found in cows. Bovine is another word for cow. Spongiform means sponge like.

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Bovine Spongiform Encephalopathy

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  1. Bovine Spongiform Encephalopathy Samantha Pollard

  2. Facts about BSE • Bovine Spongiform Encephalopathy is commonly known as Mad Cow Disease. • As the name indicates this disease is mainly found in cows. • Bovine is another word for cow. • Spongiform means sponge like. • This disease leaves the brain looking like a sponge.

  3. BSE and CJD • This is what the brain tissue looks like in an animal with BSE • The human variant of BSE is Creutzfeldt- Jakob disease • CJD also turns brain tissue into a sponge like thing.

  4. Facts continued… • BSE is caused by prions • Prions are abnormal proteins, different from bacteria and viruses • May cause Creutzfeldt- Jakob disease in humans • Fetal degenerative neurological disease

  5. Symptoms Of bse • In cows • Behavior changes • Nervousness • Abnormal posture • Loss of coordination • Trembling • Decrease in milk production

  6. BSE symptoms • In humans- early stages • Occur around age 60 • Failing memory • Behavioral changes • Lack of coordination • Visual disturbances • As it progresses • Mental deterioration becomes pronounced • Involuntary movements • Blindness • Weakness of limbs • Coma • Death

  7. The fore tribe • They ate their dead • around 1915, someone developed a genetic mutation • Caused a deadly disease called Kuru • Now believed to be a random case of Creutzfeldt-Jakob disease • They died of Kuru because they ate the remains of other tribe members who died of Kuru

  8. sources • http://www.organicconsumers.org/madcow/cannibalism6301.cfm • http://www.ninds.nih.gov/disorders/cjd/detail_cjd.htm • http://www.uwex.edu/ces/ag/issues/bse/facts.html

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