Ingestión y digestión de siete especies de microalgas por larvas de Strombus gigas (Mesogastropoda: Strombidae) / Ingestion and digestion of seven species of microalgae by larvae of Strombus gigas (Mesogastropoda: Strombidae)
Rev. biol. trop
;
48(Supl.1): 87-93, dic. 2000.
Article
in Spanish
| LILACS
| ID: lil-503275
ABSTRACT
The potential nutritional value of seven microalgal diets as measured by their ingestibility and digestibility to queen conch Strombus gigas larvae was tested with 30 day old larvae reared at 28 degrees C and fed at 1000 cells x ml(-1). The algae were Tetraselmis suecica, Tetraselmis chuii Isochrysis aff. galbana, Dunaliella tertiolecta, Chlamydomonas coccoides, Chaetoceros sp. and Thalassiosira fluviatilis. Ingestion and digestion were measured by the four nutritional stages studied with epifluorescence microscopy with live larvae. Temporal and absolute indices showed that larvae fed Chaetoceros sp. and T. fluviatilis had lower ingestion and digestion levels. The other algae are recommend to feed S. gigas larvae.
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Index:
LILACS (Americas)
Main subject:
Snails
/
Digestion
/
Eukaryota
/
Animal Nutritional Physiological Phenomena
Limits:
Animals
Language:
Spanish
Journal:
Rev. biol. trop
Journal subject:
Biology
/
Tropical Medicine
Year:
2000
Type:
Article
Affiliation country:
Mexico
Institution/Affiliation country:
IPN/MX
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