Electroejaculation and semen analysis and freezing in the giant panda (Ailuropoda melanoleuca)

in Reproduction

Summary. Semen was collected by a standardized electroejaculation procedure from a giant panda on 4 occasions. Ejaculate volume, sperm count and % sperm motility were 2·3–3·6 ml, 62–562 × 106 spermatozoa/ml and 45–85% respectively. The results, although limited to a single male, suggested a seasonal influence on ejaculate and gonadal parameters with improved ejaculate volume, sperm motility and increased testicular size in the season proximate to the female's oestrous period. Frozen–thawed spermatozoa were motile with no apparent abnormalities induced by the freezing procedure.

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