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Table 2 Sperm quality traits in young, adult, and aged Nellore bulls evaluated after cryopreservation (means ± SD)

From: Does sperm quality and DNA integrity differ in cryopreserved semen samples from young, adult, and aged Nellore bulls?

Group High mitochondrial potential Intact membrane/Acrosome Damaged membrane Damaged acrosome Morphologic defects
Young 81.70 ± 9.40ª 54.70 ± 9.49ª 34.70 ± 12.27b 32.52 ± 8.75c 18.78 ± 7.02a
Adult 67.82 ± 10.38b 46.68 ± 10.13b 38.81 ± 9.76ab 38.23 ± 11.52b 14.62 ± 7.80b
Aged 65.31 ± 12.12b 37.53 ± 9.84c 41.76 ± 10.67a 45.85 ± 13.72a 15.14 ± 6.37ab
  1. Means with different superscripts same column differ significantly (p < 0.05) by the Duncan test