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From: TSS ()
Subject: BSE GBR RISK ASSESSMENT OF CHILE (changed to GBR III), BRAZIL, ARGENTINA, NEW ZEALAND, AND PANAMA
Date: August 16, 2005 at 7:55 am PST

Scientific Report of the European Food Safety Authority on the Assessment of the Geographical BSE-Risk (GBR) of Chile.

[16 August 2005]
Adopted June 2005. (Question N° EFSA-Q-2003-083)

Summary of Scientific Report

http://www.efsa.eu.int

1 of 1

Scientific Report of the European Food Safety Authority

on the Assessment of the Geographical BSE-Risk (GBR) of

CHILE.

Question N° EFSA-Q-2003-083

Adopted June 2005

SUMMARY OF SCIENTIFIC REPORT

The European Food Safety Authority and its Scientific Expert Working Group on the

Assessment of the Geographical Bovine Spongiform Encephalopathy (BSE) Risk (GBR)

were asked by the European Commission (EC) to provide an up-to-date scientific report on

the GBR in Chile, i.e. the likelihood of the presence of one or more cattle being infected with

BSE, pre-clinically as well as clinically, in Chile. This scientific report addresses the GBR of

Chile as assessed in 2005 based on data covering the period 1980-2003.

A very unstable system between 1980 and 2000 was exposed to a negligible external

challenge until 1995 and to a high external challenge between 1996 and 2000. In 2001 the

stability of the system improved to an unstable system exposed to a negligible challenge for

the latest period between 2001 and 2003.

The risk that domestic cattle exposed to imported MBM in the late 90s, entered processing in

Chile, is considered as likely.

EFSA concludes that the current geographical BSE risk of CHILE (GBR) level is III, i.e. it

is likely but not confirmed that domestic cattle are (clinically or pre-clinically) infected with the

BSE-agent. Due to the current unstable system, any substantial challenge could lead to an

increase of the BSE risk. The improvements of the rendering industry implemented in 2001

and of the feeding system in 2004, should improve the stability of the system and lower the

risk of recycling infectivity.

Key words: BSE, geographical risk assessment, GBR, Chile, third countries

http://www.efsa.eu.int/science/tse_assessments/gbr_assessments/1072/biohaz_sr_ej39_gbr_chile_summary_en1.pdf


Scientific Report of the European Food Safety Authority on the Assessment of the Geographical BSE-Risk (GBR) of Brazil

[16 August 2005]
Adopted June 2005. (Question N° EFSA-Q-2003-083)

Scientific Report of the European Food Safety Authority on the Assessment of the Geographical BSE-Risk (GBR) of Brazil
Last updated: 16 August 2005
Adopted June 2005. (Question N° EFSA-Q-2003-083)

Report
Summary
Summary of the scientific report

The European Food Safety Authority and its Scientific Expert Working Group on the Assessment of the Geographical Bovine Spongiform Encephalopathy (BSE) Risk (GBR) were asked by the European Commission (EC) to provide an up-to-date scientific report on the GBR in Brazil, i.e. the likelihood of the presence of one or more cattle being infected with BSE, pre-clinically as well as clinically, in Brazil. This scientific report addresses the GBR of Brazil as assessed in 2005 based on data covering the period 1980-2003.

A very unstable system between 1980 and 2000 was exposed to a negligible external challenge until 1990, to a low external challenge between 1991 and 1995 and to a negligible external challenge between 1996 and 2000. In 2001 the stability of the system improved to an unstable system exposed to a negligible external challenge for the latest period.

Given the level of the external challenge, it is highly unlikely that an internal challenge occurred until 1990. However, the internal challenge became unlikely but cannot be excluded from 1991 onwards, mainly due to cattle imported from BSE-risk countries in 1991-1995.

EFSA concludes that the current GBR level of BRAZIL is II, i.e. it is unlikely but can not be excluded that domestic cattle are (clinically or pre-clinically) infected with the BSE-agent. If the stability of the system in Brazil remains as low as it is, significant external challenges could lead to an increase in the GBR of the country.

http://www.efsa.eu.int/science/tse_assessments/gbr_assessments/1073_en.html


EFSA Scientific Report on the Assessment of the Geographical BSE-risk (GBR) Argentina

[16 August 2005]
Adopted June 2005. (Question N° EFSA-Q-2003-083)

EFSA Scientific Report on the Assessment of the Geographical BSE-risk (GBR) Argentina
Last updated: 16 August 2005
Adopted June 2005. (Question N° EFSA-Q-2003-083)


Report
Summary
Summary of scientific report

The European Food Safety Authority and its Scientific Expert Working Group on the Assessment of the Geographical Bovine Spongiform Encephalopathy (BSE) Risk (GBR) were asked by the European Commission (EC) to provide an up-to-date scientific report on the GBR in Argentina, i.e. the likelihood of the presence of one or more cattle being infected with BSE, pre-clinically as well as clinically, in Argentina. This scientific report addresses the GBR of Argentina as assessed in 2005 based on data covering the period 1980-2003.

Although the stability of the system was very unstable in Argentina from 1980 until June 2002 and unstable from July 2002 until 2003, the occurrence of an internal challenge is considered highly unlikely due to the negligible external challenge over the entire period.

The risk that BSE-infected cattle entered processing in Argentina, and were at least partly rendered for feed, due to imported cattle from BSE-risk countries has been negligible throughout the considered period. Also the probability that BSE contaminated material entered the cattle system is seen as being negligible.

EFSA concludes that the current GBR level of ARGENTINA is I i.e., it is highly unlikely that domestic cattle are (clinically or pre-clinically) infected with the BSE-agent. As long as no external challenge occurs the GBR will remain low as it is. However, given the stability of the system, any such external challenge could lead to the building up of an internal challenge.


http://www.efsa.eu.int/science/tse_assessments/gbr_assessments/1074_en.html

Scientific Report of the European Food Safety Authority on the Assessment of the Geographical BSE-Risk (GBR) of New Zealand.

[16 August 2005]
Adopted May 2005. (Question N° EFSA-Q-2003-083)

Scientific Report of the European Food Safety Authority on the Assessment of the Geographical BSE-Risk (GBR) of New Zealand.
Last updated: 16 August 2005
Adopted May 2005. (Question N° EFSA-Q-2003-083)

Report
Summary
Summary of scientific report

The European Food Safety Authority and its Scientific Expert Working Group on the Assessment of the Geographical Bovine Spongiform Encephalopathy (BSE) Risk (GBR) were asked by the European Commission (EC) to provide an up-to-date scientific report on the GBR in New Zealand, i.e. the likelihood of the presence of one or more cattle being infected with BSE, pre-clinically as well as clinically, in New Zealand. This scientific report addresses the GBR of New Zealand as assessed in 2005 based on data covering the period 1980-2003.

Although the system was extremely unstable in New Zealand from the early 1980s until 2003, the occurrence of an internal challenge is considered highly unlikely due to the negligible external challenge over the entire period.

The risk that BSE-infected cattle entered processing in New Zealand, and were at least partly rendered for feed, due to imported cattle from BSE-risk countries has been negligible throughout the considered period. Also, the probability that BSE contaminated material entered the cattle system is seen as being negligible.

EFSA concludes that the current GBR level of NEW ZEALAND is I, i.e., it is highly unlikely that domestic cattle are (clinically or pre-clinically) infected with the BSE-agent. As long as the possibility of cross-contamination exists and there are no serious changes in rendering, the system will continue to be very unstable. Thus, the possibility of cattle being (pre-clinically or clinically) infected with the BSE-agent will remain at a low level.

http://www.efsa.eu.int/science/tse_assessments/gbr_assessments/1071_en.html


Scientific Report of the European Food Safety Authority on the Assessment of the Geographical BSE-Risk (GBR) of Panama

[16 August 2005]
Adopted June 2005. (Question N° EFSA-Q-2003-083)


Scientific Report of the European Food Safety Authority on the Assessment of the Geographical BSE-Risk (GBR) of Panama
Last updated: 16 August 2005
Adopted June 2005. (Question N° EFSA-Q-2003-083)

Report
Summary
Summary of scientific report

The European Food Safety Authority and its Scientific Expert Working Group on the Assessment of the Geographical Bovine Spongiform Encephalopathy (BSE) Risk (GBR) were asked by the European Commission (EC) to provide an up-to-date scientific report on the GBR in Panama, i.e. the likelihood of the presence of one or more cattle being infected with BSE, pre-clinically as well as clinically, in Panama. This scientific report addresses the GBR of Panama as assessed in 2005 based on data covering the period 1980-2003.

Although the stability of the system was very unstable in Panama from 1980 until 2000 and unstable between 2001 and 2003, the occurrence of an internal challenge is considered highly unlikely due to the negligible external challenge over the entire period (1980 –2003).

The risk that BSE-infected cattle entered processing in Panama, and were at least partly rendered for feed, due to imported cattle from BSE-risk countries has been negligible throughout the considered period. Also probability that BSE contaminated material entered the cattle system is seen as being negligible.

EFSA concludes that the current GBR level of PANAMA is I i.e. it is highly unlikely that domestic cattle are (clinically or pre-clinically) infected with the BSE-agent. In view of the unstable system at present, any non-negligible external challenge would lead to an increase of the GBR.

http://www.efsa.eu.int/science/tse_assessments/gbr_assessments/1070_en.html


http://www.efsa.eu.int

TSS



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