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Table 1 Description of the data structure in the nucleus (\(N\)) and in the commercial population (\(C\))

From: Genetic parameters for uniformity of harvest weight in Pacific white shrimp (Litopenaeus vannamei)

  \(N\) \(C\) Total
Number of shrimp 51,346 38,297 89,643
Males 25,456 17,327 42,783
Females 25,890 20,970 46,860
Nl1 16,144 2874; 3436; 3751 26,205
Nl2 20,050 2870; 4949; 4738 32,607
Nl3 15,152 3142; 3411; 2536; 6590 30,831
Noff (min–max) 118 (23–177) 88 (21–178) 205 (47–299)
Awt (g) 28; 34; 33 19; 20; 23
SDwt (g) 4.34; 5.65; 5.04 2.92; 3.03; 3.24
  1. Nlx: number of shrimp in level x of fixed effects (year in \(N\) and year-pond in \(C\)); Noff: average number of offspring per family; Awt: average weight per year; SDwt: standard deviation of weight per year