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Skeletal ontogeny and deformity during the early fry culture process for Epinephelus lanceolatus
Lv, Xuejiao1,2,3,4; Wang, Yunong1,2,3,4; Xiao, Zhizhong1,2,3; Liu, Qinghua1,2,3; Xu, Shihong1,2,3; Zhai, Jieming5; Li, Jun1,2,3
2019-06-15
发表期刊AQUACULTURE
ISSN0044-8486
卷号508页码:113-126
通讯作者Liu, Qinghua(qinghualiu@qdio.ac.cn) ; Li, Jun(junli@qdio.ac.cn)
摘要Skeletal development is crucial for fish fry breeding because of its influence on fish external morphology, functional exercise, and even survival rate, especially in groupers due to their extremely high incidence of deformity and mortality. Groupers are important mariculture fish species with high commercial value, however, research on fry early development in groupers is limited, especially for Epinephelus lanceolatus (Bloch, 1790). In the present study, we cultivated E. lanceolatus larvae and juveniles and systematically investigated the timing and progression of skeletal development, and the types and incidence of skeletal deformities during the fry culture process. Our results revealed that the skeleton associated with jaw elements, gill components, and the dorsal and pelvic spine appeared and ossified preferentially. The timing and progression of skeletal development was significantly correlated with the functional requirement for food ingestion, respiration, and swimming capacity. Notably, a 96% incidence of deformities was observed before 20 days post hatching (dph), including cranium deformities (82%), spinal deformities (13%), and fin deformities (1%). Cranium and spinal deformities significantly affected the external morphology and growth, which might be a major reason for the low survival rate during early development stages. After 20 dph, the incidence of deformities decreased greatly, although significant cannibalism was observed in 20%-30% of large individuals during the first fry separation at 45 dph, and this would be another factor leading to a lower survival rate. The survival rate of 40 dph juvenile E. lanceolatus was only approximately 1.2%. The results of the present study provide useful information for understanding skeletal development and optimizing fry breeding technologies in groupers.
关键词Epinephelus lanceolatus Larva Juvenile Skeletal development Skeletal deformity
DOI10.1016/j.aquaculture.2019.04.059
收录类别SCI
语种英语
资助项目National Key Research and Development Program[2018YFD0901204] ; China Agriculture Research System[CARS-47] ; Scientific and Technological Innovation Project - Qingdao National Laboratory for Marine Science and Technology[2015ASKJ02] ; Scientific and Technological Innovation Project - Qingdao National Laboratory for Marine Science and Technology[2015ASKJ02-03-03] ; National Infrastructure of Fishery Germplasm Resource[2019DKA30470] ; National Key Research and Development Program[2018YFD0901204] ; China Agriculture Research System[CARS-47] ; Scientific and Technological Innovation Project - Qingdao National Laboratory for Marine Science and Technology[2015ASKJ02] ; Scientific and Technological Innovation Project - Qingdao National Laboratory for Marine Science and Technology[2015ASKJ02-03-03] ; National Infrastructure of Fishery Germplasm Resource[2019DKA30470]
WOS研究方向Fisheries ; Marine & Freshwater Biology
WOS类目Fisheries ; Marine & Freshwater Biology
WOS记录号WOS:000469922700015
出版者ELSEVIER SCIENCE BV
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/161572
专题实验海洋生物学重点实验室
通讯作者Liu, Qinghua; Li, Jun
作者单位1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Expt Marine Biol, Qingdao 266071, Shandong, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266237, Shandong, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Mega Sci, 7 Nanhai Rd, Qingdao 266071, Shandong, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Lai Zhou Ming Bo Aquat Co Ltd, Yantai 261418, Peoples R China
第一作者单位中国科学院海洋研究所
通讯作者单位中国科学院海洋研究所
推荐引用方式
GB/T 7714
Lv, Xuejiao,Wang, Yunong,Xiao, Zhizhong,et al. Skeletal ontogeny and deformity during the early fry culture process for Epinephelus lanceolatus[J]. AQUACULTURE,2019,508:113-126.
APA Lv, Xuejiao.,Wang, Yunong.,Xiao, Zhizhong.,Liu, Qinghua.,Xu, Shihong.,...&Li, Jun.(2019).Skeletal ontogeny and deformity during the early fry culture process for Epinephelus lanceolatus.AQUACULTURE,508,113-126.
MLA Lv, Xuejiao,et al."Skeletal ontogeny and deformity during the early fry culture process for Epinephelus lanceolatus".AQUACULTURE 508(2019):113-126.
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