Switzerland - 1 new outbreak of Bovine spongiform encephalopathy (atypical BSE type L) in a cow from a holding in the Canton of Grisons (WOAH, March 13, 2023)

[Pathfinder]

Switzerland - Bovine spongiform encephalopathy - Immediate notification

GENERAL INFORMATION
COUNTRY/TERRITORY OR ZONE
COUNTRY/TERRITORY

ANIMAL TYPE
TERRESTRIAL

DISEASE CATEGORY
OIE-listed

EVENT ID
4962

DISEASE
Bovine spongiform encephalopathy

CAUSAL AGENT
Bovine spongiform encephalopathy prion, atypical strain, L-type

GENOTYPE / SEROTYPE / SUBTYPE
-

START DATE
2023/02/03

REASON FOR NOTIFICATION
Recurrence of an eradicated disease

DATE OF LAST OCCURRENCE
2020/02/03

CONFIRMATION DATE
2023/03/08

EVENT STATUS
On-going

END DATE
-

SELF-DECLARATION
NO

REPORT INFORMATION
REPORT NUMBER
Immediate notification

REPORT ID
IN_159813

REPORT REFERENCE
BSE_2023_GR

REPORT DATE
2023/03/13

REPORT STATUS
Validated

NO EVOLUTION REPORT
-

EPIDEMIOLOGY

SOURCE OF EVENT OR ORIGIN OF INFECTION
Unknown or inconclusive

EPIDEMIOLOGICAL COMMENTS
The 12-year-old cow from a holding in the Canton of Grisons has been sampled at slaughter in the framework of the BSE surveillance program on 27 February 2023. The brain stem material was tested positive by IDEXX HerdChek BSE-Scrapie Ag Test on 03 March 2023. The result was confirmed on 08 March 2023 by Western lmmunoblot at the National Reference Laboratory for Transmissible Spongiform Encephalopathies (Neurocenter, Vetsuisse Faculty, Berne, Switzerland). The pathological prion protein was classified as (L) -Type, therefore the case has been categorized as atypical BSE. The entire carcass was disposed of as category 1 material.

...

NEW OUTBREAKS

OB_115645 - BSE_2023_GR_1 - PRÄTTIGAU-DAVOS
OUTBREAK REFERENCE
BSE_2023_GR_1

START DATE
2023/02/03

END DATE
-

DETAILED CHARACTERISATION
-

FIRST ADMINISTRATIVE DIVISION
Graubünden

SECOND ADMINISTRATIVE DIVISION
Prättigau/Davos

THIRD ADMINISTRATIVE DIVISION
Klosters-Serneus

EPIDEMIOLOGICAL UNIT
Farm

LOCATION
Prättigau-Davos

Latitude, Longitude
46.885 , 9.911

(Approximate location)
OUTBREAKS IN CLUSTER
-

MEASURING UNIT
Animal

AFFECTED POPULATION DESCRIPTION
-

SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated
Cattle (DOMESTIC) NEW 19 1 0 0 1 0
TOTAL 19 1 0 0 1 0

...
https://wahis.woah.org/#/in-review/4962

[Treyfish]

Switzerland detected the first case of mad cow in the eastern Grisons region

Karina González

March 14, 2023, 10:57

(Reuters) - Switzerland has notified a case of bovine spongiform encephalopathy (BSE) in the eastern Grisons region, the World Organization for Animal Health (WHO) said on Tuesday, citing Swiss authorities.

The 12-year-old cow was sampled on February 27 at the time of slaughter, as part of the BSE surveillance program. Material from the brainstem tested positive for the disease and the case was classified as "atypical," the Paris-based OMSA said.
BSE, commonly called mad cow disease, is a fatal disease of the nervous system of cattle. Atypical cases can appear spontaneously in cattle, while the classic type is usually caused by ingestion of contaminated feed...https://misionesonline-net.translate.goog/2023/03/14/caso-de-vaca-loca-suiza/?_x_tr_sl=es&_x_tr_tl=en&_x_tr_hl=en&_x_tr_pto=sc