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Table 1 Number of half and full sibs animals with records within sire

From: Genome-wide association studies targeting the yield of extraembryonic fluid and production traits in Russian White chickens

Sire No. of progeny Half sibs Groups of full sibs Mean no. of animals within group SDa
1 9 3 2 3.00 1.41
2 7 2 2 2.50 0.71
3 17 2 5 3.00 0.71
4 16 2 4 3.50 0.58
5 11 2 3 3.00 1.73
6 7 2 3 2.00 0.00
7 13 2 4 2.75 0.96
8 12 2 4 2.50 1.00
9 13 3 3 3.33 2.30
10 9 2 3 2.33 0.58
11 13 1 5 2.40 0.55
12 11 3 2 4.00 0.00
Total 138 +  8 animals with unknown pedigree
  1. Table shows the number of half and full sibs in the analysed population. All 138 birds can be divided into 12 groups according to sire ancestry; within each sire several animals were from the same dam. Thus, groups of full sibs are groups of animals with the same sire and dam. Origin of 8 birds was not defined clearly and was set as unknown in the study
  2. aSD standard deviation