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Seasonal influence on testicular function of male raccoons, Procyon lotor.

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Názov: Seasonal influence on testicular function of male raccoons, Procyon lotor.
Autori: Kaneko K; Department of Veterinary Obstetrics and Gynecology, School of Veterinary Medicine, Azabu University, Kanagawa, Japan. kaneko@azabu-u.ac.jp, Akiya Y, Sato H, Tanaka A, Aoki H, Miyoshi M, Abukawa T, Mochizuki M, Kawakami S
Zdroj: The Journal of reproduction and development [J Reprod Dev] 2005 Aug; Vol. 51 (4), pp. 477-82. Date of Electronic Publication: 2005 Jun 10.
Spôsob vydávania: Journal Article
Jazyk: English
Informácie o časopise: Publisher: Japanese Society of Animal Reproduction Country of Publication: Japan NLM ID: 9438792 Publication Model: Print-Electronic Cited Medium: Print ISSN: 0916-8818 (Print) Linking ISSN: 09168818 NLM ISO Abbreviation: J Reprod Dev Subsets: MEDLINE
Imprint Name(s): Original Publication: Tokyo : Japanese Society of Animal Reproduction,
Výrazy zo slovníka MeSH: Seasons*, Testis/*anatomy & histology, Animals ; Immunohistochemistry ; Male ; Raccoons ; Radioimmunoassay ; Seminiferous Tubules/anatomy & histology ; Spermatogenesis ; Testis/physiology ; Testosterone/metabolism
Abstrakt: In order to clarify the breeding capability of male raccoons in Japan, the testes of raccoons, a nuisance animal, collected in Kanagawa Prefecture and Hokkaido were histologically inspected. Furthermore, testosterone concentrations in their blood were measured. The testosterone concentrations increased in winter and the diameter of seminiferous tubules and the spermatogenetic score decreased in summer for the animals captured in Kanagawa Prefecture. For the animals captured in Hokkaido, the diameter of seminiferous tubules did not change and the decrease of the spermatogenetic score in summer was slight. As the above results show, there is a breeding season in male raccoons in Japan, and the reduction of testicular function in summer was greater in animals captured in Kanagawa Prefecture than in animals captured in Hokkaido.
Substance Nomenclature: 3XMK78S47O (Testosterone)
Entry Date(s): Date Created: 20050611 Date Completed: 20060821 Latest Revision: 20190608
Update Code: 20250114
DOI: 10.1262/jrd.16069
PMID: 15947457
Databáza: MEDLINE
Popis
Abstrakt:In order to clarify the breeding capability of male raccoons in Japan, the testes of raccoons, a nuisance animal, collected in Kanagawa Prefecture and Hokkaido were histologically inspected. Furthermore, testosterone concentrations in their blood were measured. The testosterone concentrations increased in winter and the diameter of seminiferous tubules and the spermatogenetic score decreased in summer for the animals captured in Kanagawa Prefecture. For the animals captured in Hokkaido, the diameter of seminiferous tubules did not change and the decrease of the spermatogenetic score in summer was slight. As the above results show, there is a breeding season in male raccoons in Japan, and the reduction of testicular function in summer was greater in animals captured in Kanagawa Prefecture than in animals captured in Hokkaido.
ISSN:0916-8818
DOI:10.1262/jrd.16069