Additives

Extenders

Insemination types

Control (%)

Improved fertility (%)

References

Hydroxytyrosol

INRA 96^®

Cervical

15

24

[62]

Oregonin

TGGEY

Cervical

60

80

[13]

Mito-TEMPO

TFGEY

Vaginal

32

48

[35]

Trolox

TCF

Vaginal

21

29

[63]

GSH

TCF

Vaginal

21

37

[63]

GSH

EY

Cervical

76

81

[64]

Ram seminal plasma

TEY

Cervical

31

49

[65]

SOD and CAT

TGEY

Intra-uterine

16

50

[4]