The forests in northwest Republic of Congo contain a number of herbaceous swamp clearings that provide foraging sites for lowland gorillas (G.g. gorilla). A 10-month study at the Maya Nord clearing (Parc National d'Odzala) showed that feeding activities occupied 72% of the time visiting gorillas spe
A training program for noninvasive semen collection in captive western lowland gorillas (Gorilla gorilla gorilla)
โ Scribed by Corrine S. Brown; Naida M. Loskutoff
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 74 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0733-3188
No coin nor oath required. For personal study only.
โฆ Synopsis
Staff at Omaha's Henry Doorly Zoo devised a training program for noninvasive semen collection from three male gorillas. Trained behaviors, shaped using food rewards and verbal praise, enabled the trainer to perform a cursory physical examination and collect >270 semen samples during the study period. Ejaculate volume, sperm motility, and progressive forward motion were recorded. Two of the gorillas regularly produced semen samples that were cryopreserved. Frozen semen from one gorilla was successfully used in an assisted reproductive procedure. The training program may be used as a guideline for other institutions to create similar programs.
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The successful management of a captive gorilla population often necessitates the hand-rearing of infants and their subsequent re-integration into social groups of conspecifics. In the present study we quantified the changes in nearest-neighbor associations in a group consisting of a silverback male,