T3379G Genotypes

P value

Sperm motility parameter^c

TT

TG

GG

Motile sperm (%)

Angus and Angus-Gelbvieh

58.4 ± 3.2^a

60.4 ± 3.0 ^a

67.6 ± 4.1^a

0.096

Angus-Brahman

47.4 ± 5.8^b

54.7 ± 3.2^b

72.7 ± 5.8^a

0.017

Progressive sperm (%)

Angus and Angus-Gelbvieh

39.8 ± 2.5^a

44.1 ± 2.3^a

46.8 ± 3.2^a

0.104

Angus-Brahman

36.9 ± 5.2^b

42.2 ± 2.9^b

57.7 ± 5.2^a

0.023

Rapid sperm (%)

Angus and Angus-Gelbvieh

54.4 ± 3.3^a

57.8 ± 3.0^a

64.3 ± 4.1^a

0.080

Angus-Brahman

42.8 ± 5.7^b

48.3 ± 3.1^b

66.2 ± 5.7^a

0.016