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 e e ect of di erent extenders on the motility and morphology of ram sperm frozen or stored at 4 °C

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Table1.  e mean percentage of motility and total abnormality of ram spermatozoa preserved for 2 days at 4 °C in 4 di erent extenders.

 0 h 24 h 48 h

 TMSCB TMSC B TMSCB

Motility (%) 82.5 ± 0.1

84.0 ± 0.1

80.0 ± 0.2

84.5 ± 0.1

48.7 ± 0.3

68.5 ± 0.3

51.2 ± 0.5

55.0 ± 0.6

36.5 ± 0.2

47.5 ± 0.4

25.5 ± 0.5

40.0 ± 0.4

Tot a l

abnormality (%)

10.2 ± 0.3

8.5 ± 0.2

11.0 ± 0.2

9.5 ± 0.3

26.5 ± 0.4

18.7 ± 0.2

27.3 ± 0.3

23.8 ± 0.2

37.3 ± 0.3

45.5 ± 0.6

45.1 ± 0.5

37.5 ± 0.7

*Groups with di erent letters (a, b) in the same row are signi cantly di erent (P < 0.05).

T: Tris

M: Skimmed milk

SC: Sodium citrate

B: Bioxcell

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