Table 2 Comparison of life-history traits between breeding and non-breeding Siberian hamsters

m_b before breeding (g)

males

30.17 ± 4.54

31.95 ± 4.36

females

24.72 ± 2.71

23.95 ± 2.44

m_b after breeding (g)

males

32.37 ± 2.62

35.87 ± 3.87 ^a

females

30.12 ± 3.42

26.65 ± 3.03 ^a

degree of use of paper tube %

winter

84.20 ± 12.81

74.55 ± 18.57

summer

68.82 ± 20.86

64.02 ± 27.14

propensity to build the nest %

winter

88.3

61.1 ^a

summer

43.6 ^b

31.5 ^b