Seasonal influence on testicular function of male raccoons, Procyon lotor
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 increa...
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| Veröffentlicht in: | Journal of Reproduction and Development 2005, Vol.51(4), pp.477-482 |
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| creator | Kaneko, K.(Azabu Univ., Sagamihara, Kanagawa (Japan). School of Veterinary Medicine) Akiya, Y Sato, H Tanaka, A Aoki, H Miyoshi, M Abukawa, T Mochizuki, M Kawakami, S |
| description | 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. |
| doi_str_mv | 10.1262/jrd.16069 |
| format | Article |
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School of Veterinary Medicine) ; Akiya, Y ; Sato, H ; Tanaka, A ; Aoki, H ; Miyoshi, M ; Abukawa, T ; Mochizuki, M ; Kawakami, S</creator><creatorcontrib>Kaneko, K.(Azabu Univ., Sagamihara, Kanagawa (Japan). School of Veterinary Medicine) ; Akiya, Y ; Sato, H ; Tanaka, A ; Aoki, H ; Miyoshi, M ; Abukawa, T ; Mochizuki, M ; Kawakami, S</creatorcontrib><description>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.</description><identifier>ISSN: 0916-8818</identifier><identifier>EISSN: 1348-4400</identifier><identifier>DOI: 10.1262/jrd.16069</identifier><identifier>PMID: 15947457</identifier><language>eng</language><publisher>Japan: THE SOCIETY FOR REPRODUCTION AND DEVELOPMENT</publisher><subject>Animals ; BREEDING SEASONS ; EPOCA DE APAREAMIENTO ; ESPERMATOGENESIS ; Immunohistochemistry ; MACHO ; MALE ; MALES ; MAPACHE ; PERFORMANCE DE REPRODUCTION ; Procyon lotor ; RACCOONS ; Radioimmunoassay ; RATON LAVEUR ; REPRODUCTIVE PERFORMANCE ; REPRODUCTIVIDAD ; SAISON D'ACCOUPLEMENT ; Seasons ; Seminiferous tubule ; Seminiferous Tubules - anatomy & histology ; SPERMATOGENESE ; SPERMATOGENESIS ; Testis - anatomy & histology ; Testis - physiology ; TESTOSTERONAS ; TESTOSTERONE ; Testosterone - metabolism</subject><ispartof>Journal of Reproduction and Development, 2005, Vol.51(4), pp.477-482</ispartof><rights>2005 Society for Reproduction and Development</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c507t-e2957322add6f854affcf4c410a89a191d31d93af3a0ca886d8e1eac4dec79a03</citedby><cites>FETCH-LOGICAL-c507t-e2957322add6f854affcf4c410a89a191d31d93af3a0ca886d8e1eac4dec79a03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,864,1882,27923,27924</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15947457$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kaneko, K.(Azabu Univ., Sagamihara, Kanagawa (Japan). School of Veterinary Medicine)</creatorcontrib><creatorcontrib>Akiya, Y</creatorcontrib><creatorcontrib>Sato, H</creatorcontrib><creatorcontrib>Tanaka, A</creatorcontrib><creatorcontrib>Aoki, H</creatorcontrib><creatorcontrib>Miyoshi, M</creatorcontrib><creatorcontrib>Abukawa, T</creatorcontrib><creatorcontrib>Mochizuki, M</creatorcontrib><creatorcontrib>Kawakami, S</creatorcontrib><title>Seasonal influence on testicular function of male raccoons, Procyon lotor</title><title>Journal of Reproduction and Development</title><addtitle>J. Reprod. Dev.</addtitle><description>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.</description><subject>Animals</subject><subject>BREEDING SEASONS</subject><subject>EPOCA DE APAREAMIENTO</subject><subject>ESPERMATOGENESIS</subject><subject>Immunohistochemistry</subject><subject>MACHO</subject><subject>MALE</subject><subject>MALES</subject><subject>MAPACHE</subject><subject>PERFORMANCE DE REPRODUCTION</subject><subject>Procyon lotor</subject><subject>RACCOONS</subject><subject>Radioimmunoassay</subject><subject>RATON LAVEUR</subject><subject>REPRODUCTIVE PERFORMANCE</subject><subject>REPRODUCTIVIDAD</subject><subject>SAISON D'ACCOUPLEMENT</subject><subject>Seasons</subject><subject>Seminiferous tubule</subject><subject>Seminiferous Tubules - anatomy & histology</subject><subject>SPERMATOGENESE</subject><subject>SPERMATOGENESIS</subject><subject>Testis - anatomy & histology</subject><subject>Testis - physiology</subject><subject>TESTOSTERONAS</subject><subject>TESTOSTERONE</subject><subject>Testosterone - metabolism</subject><issn>0916-8818</issn><issn>1348-4400</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkV1LHDEUQIModWv70B-gzJNQ6Nhk8jHJk8jS1hXBBfU5XDM3dpbsRJOZh_33jc5iXxLIPRzCuYR8Y_SCNar5uUndBVNUmQOyYFzoWghKD8mCGqZqrZk-Jp9z3lDKG6nEJ3LMpBGtkO2CrO4RchwgVP3gw4SDwyoO1Yh57N0UIFV-GtzYl7foqy0ErBI4F-OQf1TrFN2uTEIcY_pCjjyEjF_39wl5_P3rYXld3979WS2vbmsnaTvW2BjZ8qaBrlNeSwHeOy-cYBS0AWZYx1lnOHgO1IHWqtPIEJzo0LUGKD8h57P3JcXXqfzTbvvsMAQYME7ZKi2l0MwU8PsMuhRzTujtS-q3kHaWUfvWzZZu9r1bYc_20ulpi91_ch-qAJczsMkjPOMHAKl0CviuksyK-RBt-zFxfyFZHIrhdDZ4iBaeU5_tzbqhVJW1GMX5P6pLiVE</recordid><startdate>20050801</startdate><enddate>20050801</enddate><creator>Kaneko, K.(Azabu Univ., Sagamihara, Kanagawa (Japan). School of Veterinary Medicine)</creator><creator>Akiya, Y</creator><creator>Sato, H</creator><creator>Tanaka, A</creator><creator>Aoki, H</creator><creator>Miyoshi, M</creator><creator>Abukawa, T</creator><creator>Mochizuki, M</creator><creator>Kawakami, S</creator><general>THE SOCIETY FOR REPRODUCTION AND DEVELOPMENT</general><scope>FBQ</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20050801</creationdate><title>Seasonal influence on testicular function of male raccoons, Procyon lotor</title><author>Kaneko, K.(Azabu Univ., Sagamihara, Kanagawa (Japan). 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School of Veterinary Medicine)</creatorcontrib><creatorcontrib>Akiya, Y</creatorcontrib><creatorcontrib>Sato, H</creatorcontrib><creatorcontrib>Tanaka, A</creatorcontrib><creatorcontrib>Aoki, H</creatorcontrib><creatorcontrib>Miyoshi, M</creatorcontrib><creatorcontrib>Abukawa, T</creatorcontrib><creatorcontrib>Mochizuki, M</creatorcontrib><creatorcontrib>Kawakami, S</creatorcontrib><collection>AGRIS</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of Reproduction and Development</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kaneko, K.(Azabu Univ., Sagamihara, Kanagawa (Japan). 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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.</abstract><cop>Japan</cop><pub>THE SOCIETY FOR REPRODUCTION AND DEVELOPMENT</pub><pmid>15947457</pmid><doi>10.1262/jrd.16069</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| source | J-STAGE Free; MEDLINE; DOAJ Directory of Open Access Journals; EZB-FREE-00999 freely available EZB journals; AgriKnowledge（アグリナレッジ）AGROLib |
| subjects | Animals BREEDING SEASONS EPOCA DE APAREAMIENTO ESPERMATOGENESIS Immunohistochemistry MACHO MALE MALES MAPACHE PERFORMANCE DE REPRODUCTION Procyon lotor RACCOONS Radioimmunoassay RATON LAVEUR REPRODUCTIVE PERFORMANCE REPRODUCTIVIDAD SAISON D'ACCOUPLEMENT Seasons Seminiferous tubule Seminiferous Tubules - anatomy & histology SPERMATOGENESE SPERMATOGENESIS Testis - anatomy & histology Testis - physiology TESTOSTERONAS TESTOSTERONE Testosterone - metabolism |
| title | Seasonal influence on testicular function of male raccoons, Procyon lotor |
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