Sperm quality differences between the rainy and dry seasons in captive black-handed spider monkeys (Ateles geoffroyi)

Autor:	Stephanella C. Pérez-Bolaños, Ricardo Mondragón-Ceballos, Ana Lilia Cerda-Molina, Gerardo Cerezo Parra, Leonor Hernández-López, Vicente Díaz Sánchez
Rok vydání:	2002
Předmět:	Wet season endocrine system Spider urogenital system Ecology Semen Biology biology.organism_classification Sperm Electroejaculation Animal science Dry season Cebidae Animal Science and Zoology Ecology Evolution Behavior and Systematics Sperm motility
Zdroj:	American Journal of Primatology. 57:35-41
ISSN:	0275-2565
DOI:	10.1002/ajp.1086
Popis:	The present work provides an assessment of sperm measures (concentration, motility, viability, etc.) of three black-handed spider monkeys (Ateles geoffroyi) during the rainy and dry seasons in Mexico City, as well as an evaluation of the between-subjects variability of sperm quality. Twenty samples obtained by rectal electroejaculation and digested with trypsin were evaluated. The results showed that during the dry season (n = 9) the semen samples were of better quality than those obtained during the rainy season (n = 11). The individual animals showed differences in sperm concentration, although there were no differences in sperm quality.
Databáze:	OpenAIRE
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