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DELAYED FERTILIZATION [1 record]

Record 1 1995-05-09

English

Subject field(s)
  • Mammals
CONT

... [In some bats] reproduction must ... overlap hibernation. Temperate bats respond to this ... in several ways. ... [This can] involve starting an estrous and sperm production cycle ... prior to ... hibernation, with a temporary arrest in the sequence of reproductive events ... before ovulation (delayed ovulation and delayed fertilization or sperm storage) ....

CONT

Delayed fertilization occurs in some hibernating species, copulation taking place in the fall and gestation beginning the following spring.

French

Domaine(s)
  • Mammifères
DEF

Phénomène observé chez certains mammifères (chauves-souris) où, après l'accouplement, le sperme est emmagasiné dans l'utérus de la femelle et y demeure vivant et mobile jusqu'au moment de l'ovulation et de la fécondation.

CONT

Bien que l'accouplement ait lieu à l'automne, les femelles conservent le sperme dans leur utérus [...] jusqu'à l'ovulation [...] au printemps. Cette «fécondation différée» caractérise les chauves-souris [...] insectivores vivant au nord. [...]

Spanish

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