Metabolic Control of Feed Intake

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

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

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

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.

Physical regulation. Filling effect in the stomach.

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

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