DIEL RHYTHMS OF FEEDING-ACTIVITY IN THE EUROPEAN CATFISH, SILURUS-GLANIS

被引：68
|
作者：
BOUJARD, T
机构：
[1] Laboratoire de Nutrition des poissons, Unité mixte INRA-IFREMER, INRA
来源：
PHYSIOLOGY & BEHAVIOR | 1995年 / 58卷 / 04期
关键词：
FEEDING RHYTHM; VOLUNTARY FEED INTAKE; APPETITE;
D O I：
10.1016/0031-9384(95)00109-V
中图分类号：
B84 [心理学];
学科分类号：
04 ; 0402 ;
摘要：
The diel rhythms of feeding activity of S. glanis held singly or in groups, and with free or time-restricted access to self-feeders is described. It was found that this species has a strongly nocturnal feeding activity. Europeen catfish can be trained to feed itself by day, but in such case its voluntary feed intake is reduced. When trained to feed by day, they resume their nocturnal behavior in less than 24 h when they have again free access to feed. It is also clearly evidenced that this fish species does not behave the same way when it is isolated from its congeneres rather than when it is maintained in groups, with a tendency to become arhythmic.
引用
收藏
页码：641 / 645
页数：5
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