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The Russian Academy of Sciences (RAS; Russian: Росси́йская акаде́мия нау́к (РАН) Rossíiskaya akadémiya naúk) consists of the national academy of Russia; a network of scientific research institutes from across the Russian Federation; and additional scientific and social units such as libraries, publishing units, and hospitals.

Actif (Le fournisseur de données a soumis des métadonnées au cours de la dernière année civile)
Journal Article

Article de revue

Behavioural Responses of Heterobranchus longifilis Juveniles. Val (Pisces: 1840) Exposed to Freeze–dried Bark Extract of Tephrosia vogelii as an Anaesthetic  [2014]

Solomon S.G.; Cheikyula J.O.; Anju D.T.;

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This study evaluates the anaesthetic properties of freeze-dried leaf extract of Tephrosia vogelii on the African catfish Heterobranchus longifilis juveniles. Experimental fish of Mean weight 115.00 were obtained from River Benue at Makurdi, Nigeria and acclimatized at the hatchery of University of Agriculture Makurdi for two weeks. Four H. longifilis were selected randomly for both control and treatment groups. Each treatment fish was weighed and injected intramuscularly 0.05ml of the extract at concentrations of 0.01, 0.02, 0.03, 0.04, 0.05 and 0.06g/l using a 2ml heparinized syringe. The result showed that H. longifilis in treatment group passed sequentially through the first three stages of anaesthesia but could not attain total loss of equilibrium (stage 4 of anaesthesia). The result showed that treatment group of fishes passed sequentially through the first three stages of anaesthesia but could not attain total loss of equilibrium (stage 4 of anaesthsia). Behavioural responses included mucus secretion, slow and erratic swimming, excrement discharge, increase in opercular beat rate, strong retention of reflex action, partial loss of equilibrium and colour change. The induction time showed a declining pattern with increasing concentration of the extract in the treatment levels with significant differences (P
(Revue
Journal of Stress Physiology & Biochemistry
ISSN : 1997-0838

Information bibliographique

Langue:
English
Type:
Journal Article
Sur AGRIS depuis:
2016
Volume:
10/n.1
Tous les titres:
"Behavioural Responses of Heterobranchus longifilis Juveniles. Val (Pisces: 1840) Exposed to Freeze–dried Bark Extract of Tephrosia vogelii as an Anaesthetic"@eng
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Information bibliographique

Langue:
English
Type:
Journal Article
Sur AGRIS depuis:
2016
Volume:
10/n.1
Tous les titres:
"Behavioural Responses of Heterobranchus longifilis Juveniles. Val (Pisces: 1840) Exposed to Freeze–dried Bark Extract of Tephrosia vogelii as an Anaesthetic"@eng