Table 2 Summarised basic data of the nine ASF-outbreaks.

From: African swine fever outbreaks in German pig holdings – experiences, epidemiological considerations and genome sequences

Outbreak farm

Federal state

Date of official disease confirmation

Husbandry system

Approx. no. of pigs on farm

Virus lineage 20

Outbreak hypothesis

Estimated time period between virus introduction and detection

1

Brandenburg

15.07. 2021

Backyard farm

2

Lineage III

Infected wild boar population in close vicinity = > indirect introduction through contaminated material

5–10 days

2

Brandenburg

15.07. 2021

Backyard farm

4

Lineage III

Infected wild boar population in close vicinity = > indirect introduction through contaminated material

4–7 days

3

Brandenburg

15.07. 2021

Organic breeding farm

300

Lineage IV

Infected wild boar population in close vicinity = > indirect introduction through contaminated material

4–7 days

4

Mecklenburg-Western Pomerania

15.11.2021

Fattening farm

4,000

Lineage III

Point introduction through human activity

5–7 days

5

Baden- Wuerttemberg

25.05.2022

Organic fatting farm

19

None

Point introduction through human activity

5–7 days

6

Lower Saxony

02.07.2022

Breeding farm

765

Lineage III

Point introduction through human activity/trade

7–14 days

7

Brandenburg

02.07.2022

Fattening farm

1,038

Lineage III

Point introduction through human activity

2–3 months

8

Brandenburg

28.02.2023

Hobby farm

10

Lineage IV

Infected wild boar population in close vicinity = > indirect introduction through contaminated material

4–7 days

9

Mecklenburg-Western Pomerania

05.06.2024

Fattening farm

3,577

Lineage III

Point introduction through human activity

7–10 days