This study occurred in the Rural Academic Unit-Tiahuanaco installations, of the Bolivian Catholic University-La Paz, Bolviia, with the objective of evaluating macro- and microscopic characteristics of sperm ejaculation from bulbourethrectomized llamas. Six q'ara-variety male llamas of 3, 4, and 5 years of age were used over 8 weeks during which they were fed with natural and cultivated pastures. Ejaculate was collected with an artificial vagina with stimulation (libido) of male llamas by female llamas, for macro- and microscopic evaluation (volume, pH, color, appearance, motility, concentration, and sperm vitality). The results obtained were: average volume of 0.55[+or-]0.36 ml, with a CV of 20.2%; average pH of 7.53[+or-]0.42 with a CV of 4.9%; the ejaculate's color varied between crystal white, opaque white, and milky white at proportions of 50%, 25%, and 25%, respectively; average motility was 25.9[+or-]21.8% with a CV of 27.6%; average sperm concentration was 28.7x106[+or-]20.11x106 sperm/ml with a CV of 13%; average live sperm count was 31.8[+or-]24.4% with a CV of 25.3%; and the ejaculate an appearance of nonviscous fluid. The 4-year-old animals had excellent sperm ejaculations (macro- and microscopic characteristics) without differences between collection weeks.
| Identifer | oai:union.ndltd.org:BGMYU2/oai:scholarsarchive.byu.edu:etd-6370 |
| Date | 01 January 2004 |
| Creators | Gonzáles Vargas, Víctor Efrain |
| Publisher | BYU ScholarsArchive |
| Source Sets | Brigham Young University |
| Detected Language | English |
| Type | text |
| Format | application/pdf |
| Source | Theses and Dissertations |
| Coverage | Bolivia |
| Rights | http://lib.byu.edu/about/copyright/ |
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