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Related Experiment Video

Updated: May 16, 2026

Isolation of Small Preantral Follicles from the Bovine Ovary Using a Combination of Fragmentation, Homogenization, and Serial Filtration

Isolation of Small Preantral Follicles from the Bovine Ovary Using a Combination of Fragmentation, Homogenization, and Serial Filtration

Published on: September 27, 2022

Ovarian functionality in Poeppig's woolly monkey (Lagothrix poeppigii).

P Mayor¹, M Bowler, C López-Plana

¹Department of Animal Health and Anatomy, Faculty of Veterinary, Universitat Autònoma de Barcelona, Bellaterra, E-08193 Barcelona, Spain. mayorpedro@hotmail.com

Animal Reproduction Science

|December 5, 2012

Summary

Poeppig's woolly monkey ovarian features reveal a mean ovulation rate of 1.73 follicles and a 33.3% reproductive wastage rate in wild Peruvian Amazon populations. This study offers insights into primate reproductive physiology.

Related Experiment Videos

Last Updated: May 16, 2026

Isolation of Small Preantral Follicles from the Bovine Ovary Using a Combination of Fragmentation, Homogenization, and Serial Filtration

Isolation of Small Preantral Follicles from the Bovine Ovary Using a Combination of Fragmentation, Homogenization, and Serial Filtration

Published on: September 27, 2022

Area of Science:

Primate Reproductive Biology
Mammalian Physiology
Amazonian Wildlife

Background:

Understanding the reproductive physiology of Poeppig's woolly monkey (Lagothrix poeppigii) is crucial for conservation efforts.
Limited data exists on the ovarian cycles and reproductive success of this species in its natural habitat.

Purpose of the Study:

To investigate the ovarian characteristics and reproductive stages of wild Poeppig's woolly monkey females.
To provide foundational knowledge on the reproductive physiology of this primate species.

Main Methods:

Examination of ovarian features from 60 wild-hunted Poeppig's woolly monkey females.
Analysis of reproductive stages, ovulation rates, follicle development, and corpora lutea (CL) formation.
Assessment of pregnancy progression and reproductive wastage.

Main Results:

A mean ovulation rate of 1.73 follicles (max diameter 1.0 cm) was observed.
Functional corpora lutea (CL) were identified, with "pregnancy" CL reaching up to 2 cm.
Accessory CL formed from non-ovulated follicles, contributing up to 7% of luteal volume.
A reproductive wastage rate of 33.3% of embryos was recorded, with an average of 1.00 fetus delivered at term.

Conclusions:

Poeppig's woolly monkeys exhibit specific ovarian dynamics, including accessory CL formation.
Significant embryonic/foetal loss contributes to reproductive wastage in this species.
These findings enhance our understanding of Poeppig's woolly monkey reproductive physiology and potential conservation challenges.