Table 1 Summary statistics for crossbred chickens reared in Burkina Faso (BF) or France (FR), and purebred (PB) chickens

Records (n)

10,734

6937

3987

Sires with recorded progeny (n)

235

149

215

Contemporary groups (n)

8

3

6

Recording years (year)

2020–22

2020–21

2018–21

Recorded progeny/sire (n)

 Mean

45.68

46.56

18.54

 Range

19–59

26–57

5–38

Records/contemporary group (n)

 Mean

1342

2312

665

 Range

15–3793

1786–3218

429–787

Sires per contemporary group (n)

 Mean

60.75

74.67

35.83

 Range

13–82

74–75

34–41

Body weight (g)

 Mean

573.0

660.4

639.6

 SD

119.6

87.9

117.4

 Range

270–1015

395–923

350–1030