Feeding and Digestive Functions in Fishes

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J E P Cyrino
CRC Press, Jan 10, 2008 - Science - 589 pages
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Understanding the biology of the innumerable number of aquatic species on our planet is the focus of sustained research efforts. Environmental degradation, management or rehabilitation of wild stocks, and the forecasted climatic changes are fueling interest in the study of the ecology, feeding behavior, and nutrition of aquatic animals in their natural habitat. In parallel, the rapid expansion of aquaculture in many parts of the world has supported vigorous research programs on nutrition, and feeding of cultivated aquatic organisms. More than 250 aquatic species are cultivated on a commercial scale using a wide variety of production systems. This great diversity results in great opportunities and tremendous challenges. Topics covered in this book are as diverse as, feeding ecology of fish in their natural habitat, feeding behavior, digestive anatomy, biochemistry and physiology of different fish species at different life stages, the impact of diet on gastro-intestinal development and health, nutrition and disease resistance, and modeling conversion of food or feed inputs into biomass.
 

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Contents

1 Feeding Ecology of Fishes in the Brazilian Amazon A Naturalistic Approach
1
2 Environmental Changes Habitat Modifications and Feeding Ecology of Freshwater Fish
35
Influence of Biotic and Abiotic Factors
67
4 Classical and Modern Concepts in Fish Digestion
85
5 Temperature Adaptation of Digestive Enzymes in Fish
155
6 Diets Physiology Biochemistry and Digestive Tract Development of Freshwater Fish Larvae
227
7 Ontogeny and Physiology of the Digestive System of Marine Fish Larvae
281
8 Tracer Studies in Fish Larvae
349
9 An Overview of the Feeding Ecology and Physiology of Elasmobranch Fishes
393
10 Alternative Protein Sources and Digestive Function Alterations in Teleost Fishes
445
11 Nutrition and Disease Resistance in Fish
479
The Usefulness of Bioenergetics Models andNeed for a Transition to Nutrientflow Models
547
Color Plate Section
569
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