The Effects of Frequent Electroejaculation on the Semen Characteristics of a Captive Siberian Tiger (Panthera tigris altaica)

Autor:	Yojiro Yanagawa, Shinichi Nakata, Gen Bando, Hideyuki Sakamoto, Masao Kosuge, Masashi Nagano, Yoshiyuki Takahashi, Motozumi Matsui, Daisuke Fukui, Ryohei Nakamura
Rok vydání:	2013
Předmět:	endocrine system urogenital system Artificial insemination medicine.medical_treatment Zoology Semen Anatomy Biology biology.organism_classification Insemination Electroejaculation Sperm Semen collection Semen quality medicine Animal Science and Zoology Siberian tiger
Zdroj:	Journal of Reproduction and Development. 59:491-495
ISSN:	1348-4400 0916-8818
DOI:	10.1262/jrd.2013-016
Popis:	Artificial insemination (AI) can help to avoid inbreeding and genetic degeneration for sustaining genetically healthy populations of endangered species in captivity. Collection of a sufficient quantity of viable sperm is an essential first step in the AI process. In the present study, we examined the effects of frequent electroejaculation on semen characteristics in a Siberian tiger. We collected semen in all 17 trials during 6 breeding seasons (6 years). The mean number of sperm and the percentage of motile sperm were 294.3 ± 250.2 × 10⁶/ejaculate and 82.4 ± 11.4%, respectively. The number of motile sperm tended to increase during frequent electroejaculation in the same breeding season. Semen collection by electroejaculation can be performed effectively up to the fourth sequential ejaculate, which contained the most sperm in the study. In conclusion, frequent collection of sperm by electroejaculation from tigers may be effective for collection of a large number of motile sperm.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::682e61942395e1a0164fcbeb577d84fd https://doi.org/10.1262/jrd.2013-016 Zobrazit plný text záznamu