Table 3 Semen variables (normal morphology [NM, %] and sperm cell concentrations [SC, 10⁹/ml]) of bucks with different coat colors (WC, BC, WBC, and BrC; n = 5 each) during summer season (W1-W7; THI > 88.3). Data are presented as means ± standard errors of means (SEM)

W1

93.80 ± 1.33^a

92.80 ± 1.81^a

92.00 ± 0.85^a

89.50 ± 1.73^a

2.15 ± 0.11^a

1.93 ± 0.04^a

1.99 ± 0.22^a

2.03 ± 0.02^a

W2

90.80 ± 0.77^a

89.90 ± 1.57^a

89.00 ± 0.22^a

86.00 ± 1.55^a

2.10 ± 0.02^a

1.91 ± 0.05^a

1.98 ± 0.52^a

2.01 ± 0.02^a

W3

85.00 ± 0.74^b

88.00 ± 0.24^a

87.22 ± 0.41^ab

81.50 ± 0.88^b

2.10 ± 0.01^a

1.85 ± 0.01^ab

2.01 ± 0.63^a

1.88 ± 0.14^ab

W4

79.33 ± 0.55 ^b*

85.85 ± 0.65 ^ab

87.26 ± 0.63^ab

79.88 ± 1.33^b*

2.03 ± 0.25^ab

1.86 ± 0.22^ab

1.97 ± 0.01^a

1.85 ± 0.07^ab

W5

79.21 ± 1.21^b*

85.05 ± 0.35^b

85.35 ± 0.56^b

77.32 ± 0.35^bc*

1.97 ± 0.36^ab

1.88 ± 0.04^ab

1.92 ± 0.07^ab

1.85 ± 0.03^ab

W6

77.42 ± 1.72^b*

84.01 ± 0.36^b

84.32 ± 0.35^b

77.65 ± 0.52^bc*

1.83 ± 0.45^ab

1.83 ± 0.32^ab

1.91 ± 0.32^ab

1.84 ± 0.74^ab

W7

71.11 ± 1.02^c*

83.04 ± 0.44^b

84.02 ± 0.52^b

73.36 ± 0.65^c*

1.82 ± 0.32^b

1.83 ± 0.57^b

1.82 ± 0.02^b

1.74 ± 0.12^b