ホロホロチョウにおける放卵後の排卵時間と卵の卵管各部における滞留時間

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タイトル別名
  • The Timing of Ovulation after Oviposition and the Time Spent by the Ovum in Each Portion of Oviduct in the Guinea Fowl.
  • Timing of Ovulation after Oviposition a

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Laying guinea fowls were sacrificed at various times after oviposition, and the presence of ovulated ovum in each portion of the oviduct was checked. Ovulation occurred at a time less than 15min. after oviposition, and the ovulated ovum stayed for 15-30min. in the infundibulum, 2 hours 15-45min. in the magnum, and 1 hour in the isthmus. Subtracting these times from the interval between ovipositions (24 hours 22min.), the time spent in the uterus and vagina was estimated to be 19 hours 52min.-20 hours 52min.

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