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题名: Suckling Behavior and Its Development in Two Yangtze Finless Porpoise Calves in Captivity
作者: Xian, Yijie1, 2; Wang, Kexiong1; Xiao, Jianqiang1; Wang, Ding1
通讯作者: Wang, D (reprint author), 7th S Donghu Rd, Wuhan 430072, Peoples R China.
关键词: Neophocaena phocaenoides asiaeorientalis ; suckling pattern ; management ; conservation
刊名: ZOO BIOLOGY
发表日期: 2012-03-01
DOI: 10.1002/zoo.20391
卷: 31, 期:2, 页:229-234
收录类别: SCI
文章类型: Article
部门归属: [Xian, Yijie; Wang, Kexiong; Xiao, Jianqiang; Wang, Ding] Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China; [Xian, Yijie] Chinese Acad Sci, Grad Univ, Beijing, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Basic Research Program of China[2007CB411600]; National Natural Science Foundation of China[30730018]; Chinese Academy of Sciences[220103]
类目[WOS]: Veterinary Sciences ; Zoology
研究领域[WOS]: Veterinary Sciences ; Zoology
摘要: We focally observed the suckling behavior of two Yangtze finless porpoise calves, C05 and C07, in captivity. Between 15 and 730 days postpartum of C05 and between birth and 30 days postpartum of C07, 286.3 (1.9 +/- 0.4 hr/day (mean +/- standard deviation), n = 148 days) and 18.3 hr (2.0 +/- 0.5 hr/day, n = 9 days) of video footage were recorded, in which 429 and 111 suckling events were observed, respectively. We found that the calves made their initial suckling attempts after repeated stroking of the mother's body with their rostrums. The suckling duration was 4.4 +/- 1.8 sec and 4.8 +/- 2.4 sec, respectively. Before suckling, the calves swam under the mother's genital region (99.1% of number of event, respectively). During suckling, the mother generally turned sideways to facilitate the calves' suckling (80.7 and 76.6%, respectively). The calves almost equally used the two mammary slits [52.2% (left) and 47.8% (right), and 44.1% (left) and 55.9% (right), respectively]. The frequency and proportion of time C05 spent suckling continuously decreased to zero by 483 days postpartum. The two variables for C07 increased following birth, to a peak at 16 days postpartum, and then decreased continuously until 30 days postpartum. We discuss the possible implications of these observations for the management and conservation of this endangered cetacean. Zoo Biol 31: 229-234, 2012. (c) 2011 Wiley Periodicals, Inc.
英文摘要: We focally observed the suckling behavior of two Yangtze finless porpoise calves, C05 and C07, in captivity. Between 15 and 730 days postpartum of C05 and between birth and 30 days postpartum of C07, 286.3 (1.9 +/- 0.4 hr/day (mean +/- standard deviation), n = 148 days) and 18.3 hr (2.0 +/- 0.5 hr/day, n = 9 days) of video footage were recorded, in which 429 and 111 suckling events were observed, respectively. We found that the calves made their initial suckling attempts after repeated stroking of the mother's body with their rostrums. The suckling duration was 4.4 +/- 1.8 sec and 4.8 +/- 2.4 sec, respectively. Before suckling, the calves swam under the mother's genital region (99.1% of number of event, respectively). During suckling, the mother generally turned sideways to facilitate the calves' suckling (80.7 and 76.6%, respectively). The calves almost equally used the two mammary slits [52.2% (left) and 47.8% (right), and 44.1% (left) and 55.9% (right), respectively]. The frequency and proportion of time C05 spent suckling continuously decreased to zero by 483 days postpartum. The two variables for C07 increased following birth, to a peak at 16 days postpartum, and then decreased continuously until 30 days postpartum. We discuss the possible implications of these observations for the management and conservation of this endangered cetacean. Zoo Biol 31: 229-234, 2012. (c) 2011 Wiley Periodicals, Inc.
关键词[WOS]: BELUGA DELPHINAPTERUS-LEUCAS ; BOTTLE-NOSED DOLPHINS ; WHALES ; BORN ; CALF
语种: 英语
WOS记录号: WOS:000303196300010
ISSN号: 0733-3188
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/16805
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing, Peoples R China

Recommended Citation:
Xian, Yijie; Wang, Kexiong; Xiao, Jianqiang; Wang, Ding.Suckling Behavior and Its Development in Two Yangtze Finless Porpoise Calves in Captivity,ZOO BIOLOGY,2012,31(2):229-234
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