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Table 1 Perfusion parameters measured in the spermatic cord testicular artery (SA), marginal portion of the testicular artery (MA), and intratesticular branches of the testicular artery (IA) of the bulls (n = 18)

From: Pulse wave Doppler ultrasound of testicular arteries and their relationship with semen characteristics in healthy bulls

   SA MA IA
   Mean ± SD Mean ± SD Mean ± SD
PSV, m/s Right 14.1 ± 4.5a 6.3 ± 1.2b 5.7 ± 1.4c
Left 13.8 ± 4.4a 6.5 ± 1.4b 5.8 ± 2b
EDV, m/s Right 5.5 ± 2.3a 4.2 ± 1b 3.9 ± 0.9b
Left 5.4 ± 1.9a 4.3 ± 0.9b 3.7 ± 0.8b
RI Right 0.61 ± 0.1a 0.42 ± 0.08b 0.33 ± 0.08c
Left 0.6 ± 0.1a 0.43 ± 0.09b 0.35 ± 0.08c
  1. Peak systolic velocity (PSV, m/s); End diastolic velocity (EDV, m/s), resistive index (RI). Means bearing different superscripts (a and b) in a row differ significantly (P < 0.05)