Table 2 Historical comparative data for Anisakis simplex (s.l.) mean intensity and ranges in 1-sea-winter salmon

North-West Atlantic Ocean (1966–1968)

140

2–13

2–9

na

na

[41]

West Greenland (1968)

70

5.3

3.6

na

na

[42]

Montrose, River Spey, Armadale, North and North-East Scotland (2008–2009)

5

na

39.4

na

na

[43]

Strathy Point, North coast Scotland (2009)

10

26.8 ± 12.5^a

5.1 ± 4.4^a

63.6 ± 31.9^a

31.7 ± 21.3^a

[5]

River Drammenselva, South-East Norway (2009)

17

54.5 ± 66.0^a

22.8 ± 15.2^a

89.6 ± 81.5^a

12 .4 ± 20.8^a

[9]

Armadale, Usan, and Sandyhills, North, East and West coasts of Scotland (2015)

117

118.2 ± 114.2^a

40.1 ± 43.4^a

259.9 ± 197.3^a

101.6 ± 73.0^a

This study