APHIS Still Tracing Potential Progeny of BSE-Positive Cow
The Animal Plant Health Inspection Service is tracing 10-12 potential birth cohort cattle of the dairy cow that was confirmed positive for Bovine Spongiform Encephalopathy (BSE) (commonly known as mad cow disease), it said in an update May 18. APHIS also said samples of the BSE-positive dairy cow were sent to The World Organization for Animal Health (OIE) reference laboratories in Canada and England. Both laboratories have confirmed that the index cow was positive for atypical (L-type) BSE, according to APHIS.
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APHIS previously said it has identified two progeny of the positive cow. One progeny born to the positive cow in the last 2 years was stillborn; the second animal was appraised, euthanized, and sampled for BSE at the National Veterinary Services Laboratories in Ames, Iowa. Test results for that animal were negative for BSE.
(See ITT’s Online Archives 12042527 for summary of April 24 announcement that the Department of Agriculture had confirmed BSE and a dairy cow.)