Investigation, management and control of a maedi outbreak in Norway in 2019-2020.

ABSTRACT:

Background

Visna-maedi is a notifiable disease in Norway, and eliminating the disease is a national goal. The import of sheep into Norway is very limited, and strict regulations apply to the movement of small ruminants between flocks and within defined geographical regions. Several outbreaks have occurred in the last 50 years, and the most recent before 2019 occurred in Trøndelag county in Central Norway in 2002. A national surveillance programme for small ruminant lentivirus infection exists since 2003.

Results

In 2019, the national surveillance programme detected seropositive animals for small ruminant lentivirus in a sheep flock in Trøndelag. Based on the result of polymerase chain reaction analysis and histopathological findings, the Norwegian Food Safety Authority concl

SUBMITTER: Romo G 

PROVIDER: S-EPMC11225221 | biostudies-literature | 2024 Jul

REPOSITORIES: biostudies-literature