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BSE: Surveillance, in the United States

BSE: Surveillance, in the United States. Linda A. Detwiler Senior Staff Veterinarian USDA, APHIS, VS. USDA ACTIONS: Surveillance. CNS Cases - farms, labs, slaughter "Downers" - nonambulatory, fallen stock. Test Methodology. Histology Immunohistochemistry Western Blot New tests:

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BSE: Surveillance, in the United States

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  1. BSE: Surveillance, in the United States Linda A. Detwiler Senior Staff Veterinarian USDA, APHIS, VS

  2. USDA ACTIONS: Surveillance • CNS Cases - farms, labs, slaughter • "Downers" - nonambulatory, fallen stock

  3. Test Methodology • Histology • Immunohistochemistry • Western Blot • New tests: • Enfer (High throughput chemiluminescent ELISA - 3-4 hrs) • Prionics (modified WB - 8 hrs) • Biorad (Sandwich Immunoassay (3-4 hrs) • All need brain

  4. BSE Surveillance: Total Bovine Brain Submission by State May 10, 1990 thru September 30, 2001 397 40 257 VT-103 44 258 63 NH-15 496 825 629 238 MA- 36 117 91 1528 190 CT- 20 381 2 265 213 20 154 NJ-371 46 189 287 58 2027 139 DE-3 1547 403 MD-78 60 221 225 145 44 27 50 7 790 343 2781 144 389 40 Total = 16,803 Source: USDA, APHIS,NVSL

  5. BSE Surveillance NVSL Bovine Brain Submissions FY 93-99 993 855 Total Submissions Downers (fallen stock) 731 651 495 465 584 412 344 266 199 219 223

  6. NVSL BSE Surveillance Bovine Brain Submissions FY 00-01 (as of 9-30-01) 4464 4870 2309 Total Submissions 1895 "Downers" (fallen stock)

  7. US Regions for BSE Surveillance NW NC NE C SW E SE SC

  8. US Regional Goals for BSE Surveillance - FY 2001 564 606 462 466 766 312 644 734

  9. US Regional Goals for BSE Surveillance (2001) REGION GOAL 2x OIE goals FY 2001* NW 564 669 SW 466 564 C 766 332 SC 734 872 NC 606 620 NE 462 805 E 312 401 SE 644 953 * as of September 30, 2001

  10. Increase of submissions • Down cattle: • aged; dairy vs. beef • condemns at slaughter • 3D/4D • Renderers • Remind VDLs to submit data

  11. Status of Cattle Imported into the US from the United Kingdom and Ireland (as of September 30, 2001) VT-3

  12. Status of Cattle Imported into the US from other European countries in 1996-97 (as of September 30, 2001) 2 1 3

  13. Status of Cattle Imported into the US from Japan 9 18 56

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