Changes in body weight and intake of food by Octopus vulgaris

Changes in body weight and intake of food by Octopus vulgaris The changes in body weight of 12 octopuses, fed on fish or crabs, were followed under laboratory conditions for periods of 1 to 7 1/2 months. The food intake was estimated and compared with the changes in body weight of the octopuses; 25 to 55% of the total intake of food appeared to be incorporated. The range of the average increase in weight over the whole observation period of each of the animals was 1.9 to 7.7g per day (1 to 7 1/2 months); the mean value was 4.8g per day. The effect of changing the diet of small octopuses (fish or crab)was followed for four weeks but there was no evidence that alteration of the diet affected the rate of changes in body weight of animals of more than 47g initial body weight. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Zoology Wiley

Changes in body weight and intake of food by Octopus vulgaris

Journal of Zoology, Volume 150 (1) – Sep 1, 1966

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Publisher
Wiley
Copyright
Copyright © 1966 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0952-8369
eISSN
1469-7998
D.O.I.
10.1111/j.1469-7998.1966.tb02995.x
Publisher site
See Article on Publisher Site

Abstract

The changes in body weight of 12 octopuses, fed on fish or crabs, were followed under laboratory conditions for periods of 1 to 7 1/2 months. The food intake was estimated and compared with the changes in body weight of the octopuses; 25 to 55% of the total intake of food appeared to be incorporated. The range of the average increase in weight over the whole observation period of each of the animals was 1.9 to 7.7g per day (1 to 7 1/2 months); the mean value was 4.8g per day. The effect of changing the diet of small octopuses (fish or crab)was followed for four weeks but there was no evidence that alteration of the diet affected the rate of changes in body weight of animals of more than 47g initial body weight.

Journal

Journal of ZoologyWiley

Published: Sep 1, 1966

References

  • Zur Biologie von Loligo vulgaris Lam
    Tinbergen, Tinbergen; Verway, Verway

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