Sexual maturity, seasonal estrus, and gestation in female Indo-Pacific bottlenose dolphinsTursiops aduncusinferred from serum reproductive hormones

doi:10.1111/1749-4877.12491

CORC > 深海科学与工程研究所 > 中国科学院深海科学与工程研究所 > 深海科学研究部 > 深海生物学研究室 > 海洋哺乳动物与海洋生物声学研究组

	Sexual maturity, seasonal estrus, and gestation in female Indo-Pacific bottlenose dolphinsTursiops aduncusinferred from serum reproductive hormones
	Zhang, Peijun 4; Wei, Zhengzhi 3,4; Hui, Suk-Wai 2; Abel, Grant 2,5; Martelli, Paolo 2; Hao, Yujiang 1; Li, Songhai 4
刊名	INTEGRATIVE ZOOLOGY
	2020-10-10
页码	11
关键词	cetacean estradiol pregnancy progesterone testosterone
ISSN号	1749-4877
DOI	10.1111/1749-4877.12491
英文摘要	Reproductive hormones in serum concentrations of progesterone, estradiol, and testosterone in female Indo-Pacific bottlenose dolphins (Tursiops aduncus,n= 12) housed in Ocean Park Hong Kong were investigated in the present study. Results showed that, onset of puberty of captive Indo-Pacific bottlenose dolphins was at 5 years while sexual maturity was at 6. Average serum progesterone concentrations in non-pregnant sexually mature individuals was 0.33 (0.25-0.97) ng/mL (interquartile), significantly higher than in immature ones 0.26 (0.25-0.38) ng/mL. This study found significant difference in serum estradiol concentrations between individuals at the onset of puberty (9.5 +/- 1.7 pg/mL, +/- SD) and not (below detection limit 9 pg/mL). A slightly seasonal breeding pattern, with progesterone values tend to be higher from February to October (0.38 [0.25-1.07] ng/mL) was inferred. During pregnancy, serum progesterone concentrations range from 10.54 +/- 8.74 ng/mL (indexed month post-conception [IMPC] 0) to 25.49 +/- 12.06 ng/mL (IMPC 2), and display a bimodal pattern with 2 peaks in early- (25.49 +/- 12.06 ng/mL, IMPC 2) and late-pregnancy (21.71 +/- 10.25 ng/mL, IMPC 12), respectively. Serum estradiol concentrations can seldom be detected in early-pregnancy and increase constantly in mid- (9.45 +/- 1.83 pg/mL) and late-pregnancy (11.88 +/- 3.81 pg/mL), with a spike (15.45 +/- 6.78 pg/mL) 1 month prior to delivery. Serum testosterone concentrations elevate significantly in IMPC 7 (0.36 +/- 0.10 ng/mL) compared to other months (0.16 +/- 0.10 ng/mL) of the year. The present study provides normal concentration profiles for some reproductive hormones in female Indo-Pacific bottlenose dolphins and can contribute to the breeding monitoring of this species. Also, our study would shed further light on the reproductive physiology of small cetaceans.
资助项目	National Natural Science Foundation of China[41806157] ; Natural Science Foundation of Hainan Province[417213] ; Youth Innovation Promotion Association of Chinese Academy of Sciences
WOS关键词	NEOPHOCAENA-PHOCAENOIDES-ASIAEORIENTALIS ; DOLPHIN TURSIOPS-TRUNCATUS ; ARTIFICIAL-INSEMINATION ; NORMAL-PREGNANCY ; PROGESTERONE ; TESTOSTERONE ; ESTROGENS
WOS研究方向	Zoology
语种	英语
出版者	WILEY
WOS记录号	WOS:000577937600001
资助机构	National Natural Science Foundation of China ; Natural Science Foundation of Hainan Province ; Youth Innovation Promotion Association of Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://ir.idsse.ac.cn/handle/183446/7975]
专题	深海科学研究部_深海生物学研究室_海洋哺乳动物与海洋生物声学研究组
通讯作者	Zhang, Peijun; Li, Songhai
作者单位	1.Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China 2.Ocean Pk Hong Kong, Hong Kong, Peoples R China 3.Univ Chinese Acad Sci, Beijing, Peoples R China 4.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Marine Mammal & Marine Bioacoust Lab, Sanya, Peoples R China 5.Seattle Aquarium, Seattle, WA USA
推荐引用方式 GB/T 7714	Zhang, Peijun,Wei, Zhengzhi,Hui, Suk-Wai,et al. Sexual maturity, seasonal estrus, and gestation in female Indo-Pacific bottlenose dolphinsTursiops aduncusinferred from serum reproductive hormones[J]. INTEGRATIVE ZOOLOGY,2020:11.
APA	Zhang, Peijun.,Wei, Zhengzhi.,Hui, Suk-Wai.,Abel, Grant.,Martelli, Paolo.,...&Li, Songhai.(2020).Sexual maturity, seasonal estrus, and gestation in female Indo-Pacific bottlenose dolphinsTursiops aduncusinferred from serum reproductive hormones.INTEGRATIVE ZOOLOGY,11.
MLA	Zhang, Peijun,et al."Sexual maturity, seasonal estrus, and gestation in female Indo-Pacific bottlenose dolphinsTursiops aduncusinferred from serum reproductive hormones".INTEGRATIVE ZOOLOGY (2020):11.