The protease inhibitor antipain has a beneficial synergistic effect with trehalose for ram semen cryopreservation

Reproduction in Domestic Animals = Zuchthygiene
Bahareh AkhtarshenasMojtaba Dashtizad

Abstract

The objective of this study was to examine the different concentrations of antipain and trehalose combination on post-thawed quality of ram semen cryopreserved in tris extender. Ejaculates were collected from four rams using the artificial vagina, pooled at 37°C and diluted with (A0  Tre0 : antipain 0 μM and trehalose 0 mM (Control); A10  Tre0 ; A50  Tre0 ; A0  Tre30 ; A0  Tre60 ; A10  Tre60 ; A10  Tre30 ; A50  Tre30 and A50  Tre60 ). Diluted semen samples were gradually cooled down from 37 to 5°C in a cold cabinet; then, they were loaded into 0.25 ml straws, frozen and stored in liquid nitrogen. Sperm motility (CASA), viability, membrane functionality and abnormality were evaluated after thawing process. Progressive motility in extender supplemented with A10  Tre0 , A0  Tre30 and A10  Tre60 significantly (p < 0.05) higher as compared to the control (A10  Tre0 ). A10  Tre60 (47.50 ± 0.73) provided the best maintenance of progressive motility in comparison with the control (40.50 ± 0.73). No significant differences were observed between all treated groups in terms of total motility, VAP, VSL, VCL, ALH, BCF, STR and LIN. The percentages of sperm with viable were significantly higher in extenders supplemented with A10  Tre0 , A50 ...Continue Reading

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Citations

Dec 17, 2021·Veterinary Medicine and Science·Maryam MoradiBijan Soleymani

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