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Early ontogeny of Ancherythroculter nigrocauda and effects of delayed first feeding on larvae
Xiong, M.; Qiao, Y.; Rosenthal, H.; Que, Y.; Chang, J.; Chang, J, Minist Water Resources, Inst Hydroecol, 578 Xiongchu Ave, Wuhan 430079, Hubei, Peoples R China
2006-12-01
Source PublicationJOURNAL OF APPLIED ICHTHYOLOGY
ISSN0175-8659
Volume22Issue:6Pages:502-509
AbstractDevelopment of embryos and larvae in Ancherythroculter nigrocauda Yih et Woo (1964) and effects of delayed first feeding on larvae were observed after artificial fertilization. The fertilized eggs were incubated at an average temperature of 26.5 degrees C (range: 25.7-27) and the larvae reared at temperatures ranging from 21.8 to 28 degrees C. First cleavage was at 50 min, epiboly began at 7 h 5 min, heartbeat reached 72 per min at 24 h 40 min and hatching occurred at 43 h 15 min after insemination. Mean total length of newly hatched larvae was 4.04 +/- 0.03 mm (n = 15). A one-chambered gas bladder was observed at 70 h 50 min, two chambers occurred at 15 days, and scales appeared approximately 30 days after hatching. Larvae began to feed exogenously at day 4 post-hatch at an average temperature of 24 degrees C. Food deprivation resulted in a progressive atrophy of skeletal muscle fibres, deterioration of the larval digestive system and cessation of organ differentiation. Larval growth under food deprivation was significantly affected by the time of first exogenous feeding. Starved larvae began to shrink, with negative growth from day 6 post-hatch. The point of no return (PNR) was reached at day 11 after hatching. Mortality of starved larvae increased sharply from day 12 after hatching.; Development of embryos and larvae in Ancherythroculter nigrocauda Yih et Woo (1964) and effects of delayed first feeding on larvae were observed after artificial fertilization. The fertilized eggs were incubated at an average temperature of 26.5 degrees C (range: 25.7-27) and the larvae reared at temperatures ranging from 21.8 to 28 degrees C. First cleavage was at 50 min, epiboly began at 7 h 5 min, heartbeat reached 72 per min at 24 h 40 min and hatching occurred at 43 h 15 min after insemination. Mean total length of newly hatched larvae was 4.04 +/- 0.03 mm (n = 15). A one-chambered gas bladder was observed at 70 h 50 min, two chambers occurred at 15 days, and scales appeared approximately 30 days after hatching. Larvae began to feed exogenously at day 4 post-hatch at an average temperature of 24 degrees C. Food deprivation resulted in a progressive atrophy of skeletal muscle fibres, deterioration of the larval digestive system and cessation of organ differentiation. Larval growth under food deprivation was significantly affected by the time of first exogenous feeding. Starved larvae began to shrink, with negative growth from day 6 post-hatch. The point of no return (PNR) was reached at day 11 after hatching. Mortality of starved larvae increased sharply from day 12 after hatching.
SubtypeArticle
KeywordGrowth Starvation Survival Mackerel
DepartmentMinist Water Resources, Inst Hydroecol, Wuhan 430079, Hubei, Peoples R China; Chinese Acad Sci, Inst Hydrobiol, Wuhan, Hubei, Peoples R China; World Sturgeon Conservat Soc, Neu Wulmstorf, Germany; Grad Univ, Chinese Acad Sci, Beijing, Peoples R China
Subject AreaFisheries ; Marine & Freshwater Biology
DOI10.1111/j.1439-0426.2006.00774.x
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaFisheries ; Marine & Freshwater Biology
WOS SubjectFisheries ; Marine & Freshwater Biology
WOS IDWOS:000241951900005
WOS KeywordGROWTH ; STARVATION ; SURVIVAL ; MACKEREL
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/8790
Collection期刊论文
Corresponding AuthorChang, J, Minist Water Resources, Inst Hydroecol, 578 Xiongchu Ave, Wuhan 430079, Hubei, Peoples R China
Affiliation1.Minist Water Resources, Inst Hydroecol, Wuhan 430079, Hubei, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Wuhan, Hubei, Peoples R China
3.World Sturgeon Conservat Soc, Neu Wulmstorf, Germany
4.Grad Univ, Chinese Acad Sci, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Xiong, M.,Qiao, Y.,Rosenthal, H.,et al. Early ontogeny of Ancherythroculter nigrocauda and effects of delayed first feeding on larvae[J]. JOURNAL OF APPLIED ICHTHYOLOGY,2006,22(6):502-509.
APA Xiong, M.,Qiao, Y.,Rosenthal, H.,Que, Y.,Chang, J.,&Chang, J, Minist Water Resources, Inst Hydroecol, 578 Xiongchu Ave, Wuhan 430079, Hubei, Peoples R China.(2006).Early ontogeny of Ancherythroculter nigrocauda and effects of delayed first feeding on larvae.JOURNAL OF APPLIED ICHTHYOLOGY,22(6),502-509.
MLA Xiong, M.,et al."Early ontogeny of Ancherythroculter nigrocauda and effects of delayed first feeding on larvae".JOURNAL OF APPLIED ICHTHYOLOGY 22.6(2006):502-509.
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