BSE: Surveillance, in the United States

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

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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: - PowerPoint PPT Presentation

Transcript of BSE: Surveillance, in the United States

Page 1: BSE: Surveillance,  in the United States

BSE: Surveillance, in the United States

Linda A. DetwilerSenior Staff VeterinarianUSDA, APHIS, VS

Page 2: BSE: Surveillance,  in the United States

USDA ACTIONS: Surveillance

CNS Cases - farms, labs, slaughter"Downers" - nonambulatory, fallen stock

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Test Methodology

HistologyImmunohistochemistryWestern BlotNew tests:

Enfer (High throughput chemiluminescent ELISA - 3-4 hrs)

Prionics (modified WB - 8 hrs)Biorad (Sandwich Immunoassay (3-4 hrs)

All need brain

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BSE Surveillance: Total Bovine Brain Submission by State May 10, 1990 thru September 30, 2001

Source: USDA, APHIS,NVSL Total = 16,803

15472027

2781

1528825

381

629

343144

221

257

403

117

189213

287

265

139NJ-371

63VT-103

496

19046

91

154

397

225 60

790

258

27

58

44

MD-78

238

40NH-15

20CT- 202

38940

MA- 36

44

DE-3

50145

7

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Yearly Totals BSE Tests (NVSL/VDLs*)May 1990 to September 30, 2001

FY 90 FY 91 FY 92 FY 93 FY 94 FY 95 FY 96 FY 97 FY 98 FY 99 FY 00 FY 01

X-Axis

Y-A

xis VDLs

NVSL

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0

100

200

300

400

500

600

700

800

900

93 94 95 96 97 98 99

Data as of September 30, 1998

0

100

200

300

400

500

600

700

BSE SurveillanceNVSL Bovine Brain Submissions FY 93-99

Total Submissions

412

495 465 584

855

731

993

651

266223199

Downers (fallen stock)

344

219

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NVSL BSE SurveillanceBovine Brain Submissions FY 00-01 (as of 9-30-01)

Total Submissions

0

1000

2000

3000

4000

5000

6000

00 01 02 03

"Downers" (fallen stock)

2309

1895

44644870

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US Regions for BSE Surveillance

NW

CSW

SC SE

NCNE

E

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US Regional Goals for BSE Surveillance - FY 2001

564

466

734 644

606

462

312

766

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US Regional Goals for BSE Surveillance (2001)

REGION GOAL2x 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

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Increase of submissions

Down cattle:aged; dairy vs. beefcondemns at slaughter3D/4DRenderers

Remind VDLs to submit data

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Status of Cattle Imported into the US from the United Kingdom and Ireland (as of September 30, 2001)

VT-3

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

1

3

2

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Status of Cattle Imported into the US from Japan

56

9

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