Activation of caspase‐3/7, an apoptotic‐related marker, during incubation and cryopreservation of alpaca (Vicugna pacos) spermatozoa

Caspases are crucial mediators of programmed cell death (apoptosis). Apoptosis can occur in spermatozoa during spermatogenesis or epididymal transit, as well as in ejaculated spermatozoa. A high proportion of apoptotic sperm would be a poor indicator of the freezability of a raw seminal sample. Alpa...

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