By Marshall D. McCue (auth.), Marshall D. McCue (eds.)
All animals face the potential of nutrition drawback and eventually starvation-induced mortality. This ebook summarizes state-of-the-art of hunger biology from the ecological motives of nutrition challenge to the physiological and evolutionary results of lengthy fasting. it truly is written for an viewers with an figuring out of basic rules in animal body structure, but deals a degree of research and interpretation that may interact professional scientists. every one bankruptcy is written by way of energetic researchers within the box of comparative body structure and attracts at the basic literature of hunger either in nature and the laboratory. The chapters are prepared between large taxonomic different types, comparable to protists, arthropods, fishes, reptiles, birds, and flying, aquatic, and terrestrial mammals together with people; really well-studied animal versions, e.g. endotherms are extra geared up by means of experimental ways, resembling analyses of blood metabolites, sturdy isotopes, thermobiology, and modeling of physique composition.
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Extra resources for Comparative Physiology of Fasting, Starvation, and Food Limitation
3 Options for the allocation of energy and materials by adult animals that are either fed or starved. The dotted line indicates the reallocation from reproduction to somatic maintenance that was observed in starving Synchaeta pectinata by Stelzer (2001) starvation episode. At this point, we do not know enough about the either resource fluctuations in nature or the variety of physiological and life history strategies available to rotifers to fully understand the evolutionary reasons for continued reproduction during starvation.
Comp Biochem Physiol 141A:280–291 Lindgard K, Stokkan KA, Le Maho Y, Groscolas R (1992) Protein utilization during starvation in fat and lean Svalbard ptarmigan (Lagopus mutus hyperboreus). J Comp Physiol 162B:607–613 Linn R, Stuart SL (1976) The last chance diet. Lyle Stuart, Secaucus Love RM (1970) The chemical biology of fishes, vol 1. Academic Press, London Love RM (1980) The chemical biology of fishes, vol 2. Academic Press, London Lusk G (1909) The elements of the Science of nutrition. WB Saunders Company, Philadelphia Martin CJ, Robison R (1922) The minimum nitrogen expenditure of man and the biological value of various proteins for human nutrition.
Sterner et al. 1993). Food supplementation experiments provide an alternative method for estimating food abundance in nature. In food supplementation experiments, the intensity of food limitation is used as an objective estimate of food quantity and quality. The intensity of food limitation can be expressed as Dr, the difference between the population growth rate of rotifers fed supplementary nutritious food and the population growth rate of control rotifers fed only the foods that were available in nature at the time of the experiment.