Hatching, growth and hatchling dietary preference in Hemifusus ternatanus (Gmelin, 1791)

doi:10.1016/j.aquaculture.2011.11.025

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	Hatching, growth and hatchling dietary preference in Hemifusus ternatanus (Gmelin, 1791)
	Tang, Baojun 1; Yin, Fei 1; Gui, Congshi 1; Chen, Xuezhong 1; Liu, Baozhong2 ; Tang, BJ (reprint author), Chinese Acad Fishery Sci, E China Sea Fisheries Res Inst, Shanghai 200090, Peoples R China.
	2012-01-25
发表期刊	AQUACULTURE
ISSN	0044-8486
卷号	326 页码:141-147
文章类型	Article
摘要	The copulation, spawning and hatching of gastropod Hemifusus ternatanus under laboratory conditions were described. After copulation, the female whelks laid trapezoidal egg capsules on the hard surface of the aquarium at about 40 min per capsule. The number of eggs (280-300 mu m in size) in the capsules ranged from 1500 to 3000, positively correlated with the size of capsule. The hatchlings crawled out of the capsules over a 58-day incubation period at 21-23 degrees C. The hatchlings were 3.00-6.04 mm in total shell length and 4.15-21.4 mg in wet body weight, and could hang upside down the water by their feet. In an artificial culture, cutting the capsules as soon as cleft is found at the apical area may help prevent mortality. Six diets were provided over a ten-week period to compare their effects on post-hatching growth and survival. At the end of the experiment, the hatchlings fed with live clam Meretrix meretrix had the highest growth and survival rates, followed by those fed with frozen oyster Crassostrea rivularis, and was significantly higher than those fed with frozen mackerel Pneumatophorus japonicas, frozen shrimp Penaeus vannamei, eel feed, and microalgae Chlorella pyrenoidsa (P<0.01). Although mackerels have higher protein and amino acid content than clams and oysters, the growth and survival rates of mackerel-fed hatchlings were significantly lower (P<0.01), suggesting that other hatchling-preferred substances besides umami amino acids may be present in bivalves. In a subsequent 140-day rearing, clam-fed whelks showed a nearly linear growth (about 12 mm per month), indicating the potential of H. ternatanus for aquaculture. (C) 2011 Elsevier B.V. All rights reserved.
关键词	Hemifusus Ternatanus Hatchling Dietary Preference Whelk
学科领域	Fisheries ; Marine & Freshwater Biology
DOI	10.1016/j.aquaculture.2011.11.025
URL	查看原文
收录类别	SCI
语种	英语
WOS记录号	WOS:000302317800021
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/337002/12338
专题	实验海洋生物学重点实验室
通讯作者	Tang, BJ (reprint author), Chinese Acad Fishery Sci, E China Sea Fisheries Res Inst, Shanghai 200090, Peoples R China.
作者单位	1.Chinese Acad Fishery Sci, E China Sea Fisheries Res Inst, Shanghai 200090, Peoples R China 2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
推荐引用方式 GB/T 7714	Tang, Baojun,Yin, Fei,Gui, Congshi,et al. Hatching, growth and hatchling dietary preference in Hemifusus ternatanus (Gmelin, 1791)[J]. AQUACULTURE,2012,326:141-147.
APA	Tang, Baojun,Yin, Fei,Gui, Congshi,Chen, Xuezhong,Liu, Baozhong,&Tang, BJ .(2012).Hatching, growth and hatchling dietary preference in Hemifusus ternatanus (Gmelin, 1791).AQUACULTURE,326,141-147.
MLA	Tang, Baojun,et al."Hatching, growth and hatchling dietary preference in Hemifusus ternatanus (Gmelin, 1791)".AQUACULTURE 326(2012):141-147.

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