ANSC 1011 Chapter : Intro To Nutrition Sep 4
Document Summary
Nutrition- the study of how the body uses nutrients in feeds/foods to sustain life and. Nutrient- any chemical substance in the diet that supports or maintains life. Horse (herbivore), dogs, cats, pigs (similar to us), chickens, rabbits. Feed costs as a percentage of total production cost for various species are: swine, beef cattle, chickens, lambs. Functions of feeds that provide nutrients: maintenance: maintain the body at a constant weight and temperature, growth: deposition of weight, production: output of products, work: actual work. The more you exercise, the more you can eat: reproduction: essential function for the species" survival. This is the first trait that will probably shut down when affected by inadequate nutrition. Essential nutrient- a nutrient that is required in the diet. Non-essential nutrient- a nutrient that is not required in the diet because the body can produce that nutrient in sufficient amounts.
