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Volume 23 (2018)
- Issue 4 Pages 83-
- Issue 3 Pages 51-
- Issue 2 Pages 27-
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Volume 23, Issue 4
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Research note
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Keisuke KAWASE, Jumpei TOMIYASU, Kazuyuki BAN, Ran KIMURA, Ryosuke ONO ...2018 Volume 23 Issue 4 Pages 83-89
Published: December 25, 2018
Released on J-STAGE: March 31, 2019
JOURNAL FREE ACCESSWe measured the plasma progesterone concentration, and examined changes in the vaginal smear and secretion of genital mucus in a female Lion (Panthera leo) by behavioral restraint using husbandry training. Plasma progesterone concentrations and the cytology of the vaginal smear demonstrated cyclic changes. When anuclear superficial cells were dominant in the vaginal smear, the plasma progesterone concentration was almost at the basal level and a large amount of genital mucus was observed. Duration of estrous cycle, proestrus, estrus, and metestrus to diestrus of Lion were assumed to be 52.6±5.0, 8.3±1.5, 6.2±2.7, and 37.2±4.6 days, respectively.
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