Reproductive cycle stage assessment using vaginal cytology evaluation in African lions (Panthera leo)

Callealta, Isabel; Ganswindt, André

doi:10.1016/j.anireprosci.2019.106260

Cited by 4 publications

(2 citation statements)

References 19 publications

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“…The present study allowed the description of three estrous cycles in two female two-toed sloths. It showed that sloth vaginal cytology samples have similar characteristics to those previously reported for other mammals 1,3,16 and, as such, may serve as an important tool in the investigation of reproductive health in the sloth. Moreover, as formerly described for the two-toed sloth, superficial epithelial cells were found throughout the entire cycle, 10 in contrast to other domestic species.…”

Section: Discussionsupporting

confidence: 72%

Reproductive Cycle Stage Assessment in the Two-Toed Sloth (Choloepus Hoffmanni), Preliminary Results

Calvo-Fernandez,

Such,

Gutiérrez-Cepeda

et al. 2024

Journal of Zoo and Wildlife Medicine

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Section: Discussionsupporting

confidence: 72%

Reproductive Cycle Stage Assessment in the Two-Toed Sloth (Choloepus Hoffmanni), Preliminary Results

Calvo-Fernandez,

Such,

Gutiérrez-Cepeda

et al. 2024

Journal of Zoo and Wildlife Medicine

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“…The cotton swab was rotated against the vaginal wall and then rolled two times on the clean glass microscope slide. Prepared slides were air dried at room temperature (25 o C) and then xed and stained according to the modi ed Wright-Giemsa method [4,5].…”

Section: Arti Cial Inseminationmentioning

confidence: 99%

Conducting successful artificial insemination (AI) by laparotomy in African lion (Panthera leo)

Ekrami,

Ghasemzadeh-Nava,

Baghbadorani

et al. 2024

Preprint

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Assisted reproduction technologies including artificial insemination could play an important role in preserving the population of the vulnerable species. In this study, we collected semen from two male lions by using urethral catheterization under general anesthesia. The provided semen was evaluated and a qualified sample with a volume of 0.4 milliliters was extended in a 1:4 ratio by using 1.6 milliliters of Tris-egg yolk-based extender. Stimulation of ovaries in three lionesses of the study was done by administration of 1000 IU of eCG. One hundred hours later, the expected signs of estrous were evident and 750 IU of human Chorionic Gonadotropin (hCG) was administered to induce ovulation. AI was conducted 36 hours after hCG injection through mid-line laparotomy and injecting 0.25 cc of diluted semen with a concentration of 1×106 spermatozoa into each uterine horn by using an angiocath. Exanimation of the uterine horns of the inseminated lionesses was done 60 days after insemination by ultrasonography. It was found that one lioness out of three (33%) was pregnant and had a twin in her uterine horns. The pregnancy lasted for 115 days and two cubs were born by the pregnant lioness.

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Fecal metabolite and blood steroid concentration patterns in relation to reproductive behavior during the ovarian cycle of African lions (Panthera leo)

Callealta,

Lueders,

Callealta

et al. 2024

Theriogenology Wild

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Reproductive cycle stage assessment using vaginal cytology evaluation in African lions (Panthera leo)

Cited by 4 publications

References 19 publications

Reproductive Cycle Stage Assessment in the Two-Toed Sloth (Choloepus Hoffmanni), Preliminary Results

Reproductive Cycle Stage Assessment in the Two-Toed Sloth (Choloepus Hoffmanni), Preliminary Results

Conducting successful artificial insemination (AI) by laparotomy in African lion (Panthera leo)

Fecal metabolite and blood steroid concentration patterns in relation to reproductive behavior during the ovarian cycle of African lions (Panthera leo)

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