ANIMAL NUTRITION Flashcards
nutrition
science that deals with transmission of nutrients from diet into component of body tissues; involves processes by which an organism takes in and assimilates food for promoting growth and replacing worn-out or injured tissues
nutrient
any feed constituent that aids in support of life
digestion
breakdown of feed particles into suitable products for absorption (inc. mechanical digestion - mastication; chemical digestion - acid hydrolysis & enzyme hydrolysis
absorption
transfer of substance from gastro-intestinal (GIT) to the circulatory (blood or lymph) system
metabolism
combination of anabolic and catabolic reactions occurring in the body
anabolism
constructive metabolism; build-up/synthesis of complex molecules from smaller units
catabolism
breakdown of large molecules into smaller units; releases energy
20 chemical elements present in feed nutrients
C, H, O, P, K, I, N, S, Ca, Fe, Mg, Na, Cl, Co, Cu, F, Mn, Mo, Sepr
principal constituent of both plant and animal body is ______
water
true or false: plants and animal bodies contain the same substances, but the amount present varies
true
dry matter of plant primarily consists of ________ that serve as structural and reserved material
carbohydrates