Metabolic Control of Feed Intake

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Metabolic Control of Feed Intake. The basic of animal nutrition.

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Interacting factors affecting feed intake. Diet Management Environment Reproductive performance Physiological state.

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Control of feeding behavior. Brain feeding center in the brain Receiving signal from liver and gut Metabolites and hormones.

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Feed intake. Size and frequency of meals Meal size Function of eating rate and meal length Length of meal is determined satiety Meal frequency – determined by hunger Management control Diet, social interactions, and stress.

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Physical regulation. Filling effect in the stomach.

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Endocrine regulation. Ghrelin – hunger hormone secretes by the stomach.

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Metabolic regulation. Metabolites derived from diet and mobilized from body reserves.