Shell marking by artificial feeding of the tropical abalone Haliotis asinina Linne juveniles for sea ranching and stock enhancement

Wenresti G. Gallardo, Myrna N. Bautista-Teruel, Armando C. Fermin, Clarissa L. Marte

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

A method of marking abalone (Haliotis asinina Linne) for sea ranching and stock enhancement purposes was developed. Three-month-old abalone juveniles (11.8-mm shell length, 0.28 g) were fed artificial diets for 1, 2, or 3 weeks. The width of the bluish-green shell band produced by abalone juveniles was 1.7, 2.6, and 4.2 mm after 1, 2, or 3 weeks of feeding respectively. The growth and survival of juveniles fed artificial diets did not differ from that of juveniles fed the seaweed Gracilariopsis bailinae (control). Feeding the diet-fed juveniles with the seaweed thereafter produced the natural brownish shell, thus forming a sandwiched bluish-green band. An experimental release in outdoor tanks with natural growth of seaweeds and diatoms, and in a marine reserve showed that the shell band remained clear and distinct, indicating the usefulness of this shell marking method in sea ranching and stock enhancement of abalone.

Original languageEnglish
Pages (from-to)839-842
Number of pages4
JournalAquaculture Research
Volume34
Issue number10
DOIs
Publication statusPublished - Aug 20 2003

Fingerprint

Haliotis asinina
stock enhancement
ranching
shell (molluscs)
nutritional support
abalone
edible seaweed
shell
seaweed
artificial diet
artificial diets
marking method
Gracilariopsis
Bacillariophyceae
marine park
diatom
sea
diet
methodology

Keywords

  • Abalone
  • Feeding
  • Haliotis asinina
  • Marking
  • Sea ranching

ASJC Scopus subject areas

  • Aquatic Science

Cite this

Shell marking by artificial feeding of the tropical abalone Haliotis asinina Linne juveniles for sea ranching and stock enhancement. / Gallardo, Wenresti G.; Bautista-Teruel, Myrna N.; Fermin, Armando C.; Marte, Clarissa L.

In: Aquaculture Research, Vol. 34, No. 10, 20.08.2003, p. 839-842.

Research output: Contribution to journalArticle

Gallardo, Wenresti G. ; Bautista-Teruel, Myrna N. ; Fermin, Armando C. ; Marte, Clarissa L. / Shell marking by artificial feeding of the tropical abalone Haliotis asinina Linne juveniles for sea ranching and stock enhancement. In: Aquaculture Research. 2003 ; Vol. 34, No. 10. pp. 839-842.
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