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Table 1 The numbers of parents used to found each strain and generation

From: Pacific and Atlantic Lepeophtheirus salmonis (Krøyer, 1838) are allopatric subspecies: Lepeophtheirus salmonis salmonis and L. salmonis oncorhynchi subspecies novo

Generation

Founding parents

LsAtl F1

16 LsGulen and 11 LsOslofjord females

LsAtl F2

21 LsAtl F1 females

LsPac F1

9 LsPac F0 females (imported)

LsAtlPac F1*

3 LsAtl F2 females, 2 LsPac F1 males

LsAtlPac F2

19 LsAtlPac F1 females

LsPacAtl F1*

4 LsPac F1 females, 3 LsAtl F2 males

LsPacAtl F2

18 LsPacAtl F1 females

  1. Male founders are only shown for LsAtlPac F1 and LsPacAtl F1 (marked with *) as these were the only crosses performed in single fish tanks with total control of paternal and maternal contribution.