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Hunger and Time of Day : Tierhaltung Animal Management - Reddingius

Hunger and Time of Day

Tierhaltung Animal Management

Paperback

Published: 1st January 1977
Language: German
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In constructing models for the explanation and prediction of feeding behaviour, it has been attempted to define the state of the animal in terms of caloric defiĀ­ cit and amount of time spent eating already. These models of feeding behavior contain a negative feedback loop (caloric deficit induces feeding, which reduces deficit and increases satiation, which in turn checkes feeding) and a positive feedback loop (eating, once started, tends to persist). But it is not yet clear how the day-night rhythmicity which animal behavio~are known to possess, should be incorporated in a model. In order to make progress, data on the rhythmicity of feeding behavior, and the interplay between caloric deficit and time of day, are needed. A survey of important data from the literature concerning feeding rhythms in rats and mice is given. Different methods for measuring food intake and/or behavior closely related to feeding as a function of time have been used; each of these methods suffers from serious drawbacks. In general, these animals eat more during the dark period of the day than during the light period. With rats, very often two maxima occur, one just after the onset of dark, and another just before the onset of light. Meals taken during the light period by rats appear to be smaller on the average than during the dark period, and the reverse holds for pauses between meals.

ISBN: 9783764309541
ISBN-10: 3764309547
Series: Tierhaltung Animal Management
Audience: General
Format: Paperback
Language: German
Number Of Pages: 49
Published: 1st January 1977
Publisher: Birkhauser Verlag AG
Country of Publication: CH
Dimensions (cm): 23.39 x 15.6  x 0.28
Weight (kg): 0.09