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Effect of Photoperiod Extension on the Testicular Sonographic Appearance and Sexual Behavior of Captive Yangtze Finless porpoise (Neophocaena asiaeorientalis asiaeorientalis)
Yu, Xueying1,2; Hao, Yujiang1,4; Kot, Brian C. W.3; Wang, Ding1
2016
Source PublicationZOOLOGICAL STUDIES
ISSN1021-5506
Volume55
AbstractXueying Yu, Yujiang Hao, Brian CW Kot, and Ding Wang (2016) Photoperiod plays an important role in the seasonal regulation of reproduction in mammals. In the present study, we examined the effect of an extended photoperiod (light/dark: 14 h/10 h) during the usual sexually inactive phase (Jan-Mar) on testicular sonographic appearance and sexual behaviors of two captive Yangtze finless porpoise (Neophocaena asiaeorientalis asiaeorientalis, YFP). During the extended photoperiod treatment, the parenchyma pixel intensity, crosssectional area of testicular sonographic images, as well as the frequency of sexual behaviors of the two male porpoises increased significantly compared to the control treatment. Parenchyma pixel intensity, the crosssectional area of testicular sonographic images and the frequency of sexual behaviors of the two captive males all increased in response to extended photoperiod. These results may suggest that photoperiod is a potent factor regulating the reproductive seasonality in YFPs.
SubtypeArticle
KeywordPhotoperiod Seasonal Reproduction Testicular Changes Ultrasonography Sexual Behavior Yangtze Finless Porpoise
DOI10.6620/ZS.2016.55-24
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Funding OrganizationInnovation Program of Chinese Academy of Sciences(KSCX2EW-Z-4) ; Innovation Program of Chinese Academy of Sciences(KSCX2EW-Z-4) ; Experimental Platform Program of Chinese Academy of Sciences(CZBZX-1) ; Experimental Platform Program of Chinese Academy of Sciences(CZBZX-1) ; Innovation Program of Chinese Academy of Sciences(KSCX2EW-Z-4) ; Innovation Program of Chinese Academy of Sciences(KSCX2EW-Z-4) ; Experimental Platform Program of Chinese Academy of Sciences(CZBZX-1) ; Experimental Platform Program of Chinese Academy of Sciences(CZBZX-1)
Language英语
WOS Research AreaZoology
WOS SubjectZoology
WOS KeywordHAMSTER PHODOPUS-SUNGORUS ; BOTTLE-NOSED-DOLPHIN ; NORTHERN FUR SEALS ; PHOCAENOIDES-ASIAEORIENTALIS ; SEMINAL CHARACTERISTICS ; ARTIFICIAL PHOTOPERIOD ; REPRODUCTIVE-CYCLES ; LUTEINIZING-HORMONE ; TURSIOPS-TRUNCATUS ; SEASONAL-CHANGES
WOS IDWOS:000399617200024
Funding OrganizationInnovation Program of Chinese Academy of Sciences(KSCX2EW-Z-4) ; Innovation Program of Chinese Academy of Sciences(KSCX2EW-Z-4) ; Experimental Platform Program of Chinese Academy of Sciences(CZBZX-1) ; Experimental Platform Program of Chinese Academy of Sciences(CZBZX-1) ; Innovation Program of Chinese Academy of Sciences(KSCX2EW-Z-4) ; Innovation Program of Chinese Academy of Sciences(KSCX2EW-Z-4) ; Experimental Platform Program of Chinese Academy of Sciences(CZBZX-1) ; Experimental Platform Program of Chinese Academy of Sciences(CZBZX-1)
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/29213
Collection水生生物多样性与资源保护研究中心
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan, Peoples R China
2.Qinzhou Univ, Coll Ocean, Qinzhou, Peoples R China
3.Hong Kong Polytech Univ, Dept Appl Biol & Chem Technol, Kowloon, Hong Kong, Peoples R China
4.Chinese Acad Sci, Inst Hydrobiol, 7th South Donghu Rd, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Yu, Xueying,Hao, Yujiang,Kot, Brian C. W.,et al. Effect of Photoperiod Extension on the Testicular Sonographic Appearance and Sexual Behavior of Captive Yangtze Finless porpoise (Neophocaena asiaeorientalis asiaeorientalis)[J]. ZOOLOGICAL STUDIES,2016,55.
APA Yu, Xueying,Hao, Yujiang,Kot, Brian C. W.,&Wang, Ding.(2016).Effect of Photoperiod Extension on the Testicular Sonographic Appearance and Sexual Behavior of Captive Yangtze Finless porpoise (Neophocaena asiaeorientalis asiaeorientalis).ZOOLOGICAL STUDIES,55.
MLA Yu, Xueying,et al."Effect of Photoperiod Extension on the Testicular Sonographic Appearance and Sexual Behavior of Captive Yangtze Finless porpoise (Neophocaena asiaeorientalis asiaeorientalis)".ZOOLOGICAL STUDIES 55(2016).
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