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Table 1 Summary statistics for incubation behaviour over cumulative time periods

From: Genetic loci inherited from hens lacking maternal behaviour both inhibit and paradoxically promote this behaviour

Period

Age in weeks

Number of incubating birds

Number of non-incubating birds

1

25–30

35

241

2

25–36

79

197

3

25–42

99

177

4

25–48

118

158

5

25–53

126

150