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Table 3 Regression, correlation coefficients and levels of significance for proximal cytoplasmic droplets (PCD) versus sperm quality traits

From: Impact of proximal cytoplasmic droplets on quality traits and in-vitro embryo production efficiency of cryopreserved bull spermatozoa

 

Y = a + bPCD

 

a

b

r 2

r

P

Motility 0h

49.65

-0.47

0.24

-0.50

0.0012

Motility 3h

36.71

-0.50

0.35

-0.59

< 0.0001

Vigour 0h

4.83

-0.04

0.33

-0.58

< 0.0001

Vigour 3h

4.11

-0.05

0.34

-0.58

< 0.0001

PIA 3h

58.15

-0.71

0.46

-0.68

< 0.0001

Damaged DNA 0h

0.47

0.02

0.16

0.40

0.0103

Damaged DNA 3h

0.28

0.05

0.26

0.51

0.0006

IIH

27.71

-0.37

0.59

-0.77

< 0.0001

DDL

51.60

0.44

0.30

0.54

0.0002

Damaged acrosome

62.41

0.27

0.22

0.47

0.0020

Damaged sperm membrane

64.58

0.47

0.48

0.69

< 0.0001

Low mitochondrial function

61.30

0.54

0.48

0.70

< 0.0001

  1. PIA 3 h - Percentage of intact acrosomes after 3h of incubation at 37°C
  2. Damaged DNA 0h -- before incubation
  3. Damaged DNA 3h -- after 3h of incubation at 37°C
  4. IIH -- Intact acrosome, intact membrane and high mitochondrial potential
  5. DDL -- Damaged acrosome, damaged membrane and low mitochondrial potential