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Sperm plasma membrane is an essential structure of sperm resistance to freezing. Signs of cryodamage can be visible on the sperm plasma membrane. The aim of our study was to evaluate the appearance of plasma membrane and acrosome in fresh and frozen‐thawed chicken sperm using electron and fluorescence microscopy. Semen was collected from 12 sexually mature roosters of Ross PM3 heavy line, diluted...
The aim of this study was to investigate the effect of initial cooling time at 5°C during semen cryopreservation on post‐thaw quality and reproductive performance of rabbit semen. Pooled semen samples (n = 6) were divided into two subsamples and cooled at 5°C for 45 or 90 min. After cooling, the semen samples were diluted to a ratio of 1:1 (v:v) with a freezing extender composed of Tris‐citrate‐glucose...
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