An improved gastric lavage device for removing stomach contents from live fish

An improved gastric lavage apparatus was developed to remove stomach contents of live fish. A polypropylene pipette and polyethylene tubing were connected to a compression sprayer by quick-disconnect fittings. This enabled the operator to choose different sizes of pipettes depending on the size of t...

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Bibliographic Details
Published in:Fisheries research 1995-10, Vol.24 (3), p.261-265
Main Authors: Hartleb, Christopher F., Moring, John R.
Format: Article
Language:English
Subjects:
Ameiurus nebulosus
Animal, plant and microbial ecology
Biological and medical sciences
COMPORTEMENT ALIMENTAIRE
Esox niger
ESTOMAC
ESTOMAGO
FEEDING HABITS
Fish
FISHES
Food habits
Fundamental and applied biological sciences. Psychology
Gastric lavage
General aspects. Techniques
HABITOS ALIMENTARIOS
Lepomis gibbosus
Marine
MEASUREMENT
MEDICION
MESURE
Methods and techniques (sampling, tagging, trapping, modelling...)
Micropterus salmoides
Morone americana
Notemigonus crysoleucas
PECES
Perca flavescens
POISSON (ANIMAL)
STOMACH
Stomach contents
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Summary:An improved gastric lavage apparatus was developed to remove stomach contents of live fish. A polypropylene pipette and polyethylene tubing were connected to a compression sprayer by quick-disconnect fittings. This enabled the operator to choose different sizes of pipettes depending on the size of the fish being sampled. Water was flushed into the stomach of the fish forcing the stomach contents out through the esophagus. Stomach contents were deposited in a measuring trough and collected on fine screening. The apparatus is inexpensive to construct and is effective in removing all of the stomach contents from fish, while causing no mortality. It is portable and contains no breakable parts, making it well suited for field work.
ISSN:0165-7836
1872-6763
DOI:10.1016/0165-7836(95)00390-V