animal nutrition. adequate diet 1.fuel chemical energy (atp) 2.organic raw materials biosynthesis...
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![Page 1: Animal Nutrition. Adequate Diet 1.Fuel Chemical Energy (ATP) 2.Organic Raw Materials Biosynthesis 3.Essential Nutrients Substances (e.g. vitamins) that](https://reader035.vdocuments.net/reader035/viewer/2022070413/5697bfd01a28abf838caa6b6/html5/thumbnails/1.jpg)
Animal Nutrition
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Adequate Diet
1. Fuel• Chemical Energy (ATP)
2. Organic Raw Materials• Biosynthesis
3. Essential Nutrients• Substances (e.g. vitamins) that
animals can not make themselves
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Caloric Imbalance
UndernourishmentDiet chronically deficit in calories
Stores of glycogen and fat used upBody breaks down protein for fuelMuscles decrease in sizeBrain becomes protein-deficient
Anorexia Nervosa
OvernourishmentObesity
Body normally hoards fatExcess of carbs, increase oxidation
DiabetesCardiovascular DiseaseMICVA
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Leptin
Leptin: hormone found in fat cells (adipose) that suppresses appetite
More fat, more leptin, less appetiteLess fat, less leptin, more appetite
Evolutionary advantagesFeast-or-famineGorge on fatty foods
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Essential Nutrients
Malnourished: Missing one or more essential nutrient
1. Amino Acids• Insufficient amounts cause protein
deficiency2. Fatty Acids
• Required to make phospholipids in membrane
3. Vitamins• 13 essential organic vitamins to humans• Comparatively small amounts
4. Minerals• Inorganic nutrients
kwashiorkor