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An Sci 200 Nutrition

Animal Science 200 Nutrition Flash Cards

Nutrition CuesNutrition Answers
Who discovered? Dr. Stephen Babcock: Early 1900'2
Nutrients needed for... maintain, reproduce, work, lactate, grow, lay eggs, produce wool, digest
How is profit made Privide nutrients adequately and economically
6 Classes of Nutrients water, carbohydrates, lipids, proteins, vitamins, minerals
Water Requirement 50-75% of body mass is water; Water alone can support life for one month
Water Functions Metabolism (Universal Solvent); Temperature regulation
Feeds Water Content Corn 14%, Alfalfa 10%, Sorghum 11%, Bermuda Grass 70%
Carbohydrates process energy is stored in plants through photosynthesis, releases in animals during digestion
Sources of energy Starch -> Glucose; Cellulose -> VFA
Lipids insoluble in water
Protein Composition 16% is nitrogen
Amino Acids discovery WC Rose 1930's in Rodents effect growth(?)
Required Amino Acids for chicken Proline and either glycine or cerins
Required Amino Acids for cats tuarine
PVT (tim hall) - Essential AA's phenylaline; valine; tryptophan
(pvt) TIM (hall) - Essential AA's threonine; isoleucine; methionine
(pvt tim) HALL - Essential AA's histidine; arginine; lysine; leucine
What is a vitamin "Vital amines" -not CHO, protein, or fat; required in small amounts
Vitamin background early 1900's research explosion; included in diets as premix; deficiencies lead to disease
2 Classification of Vitamins Fat soluble and water soluble
Fat Soluble vitamins A,D,E,K
Water soluble vitamins ascorbic acid (C), niacin, biotin, choline, cobalamin, folic acid, pantothenic acid, pyridoxine (B6), riboflavin, thiamin
Vitamin A function Vision, skin, reproduction
Vitamin D function Ca and D absorption
Vitamin E function antioxidant, fetal death, muscle weakness
Vitamin K function blood coagulation
Vitamin B function coenzymes
Choline function neural transmission; phospholipids
Folic acid function purine formation; C transfer
Vitamin C function collagen, Vitamin E recycling
Pantothenic Acid deficiency goose stepping - nervous disorder
Vitamin D deficiency Rickets - weak bones, bent
Thiamine deficiency Opisthotonous - Nervous System damage
Nicotinic Acid deficiency Retarded Development - Giant
What are minerals and 2 types inorganic (elements); macrominerals and microminerals
Mineral function body structure (bones and teeth), enzyme function, acid-base balance
Macrominerals Large quantities required; Ca, K, Cl, Na, P, S, MG
Microminerals Small quantities required; Cr, Mo, Ni, Se, Si, Sn, V, Vn, Co, Cu, F, I, Fe, Mn
Calcium and Phosphorous Bone formation and maintenance
magnesium bone formaion and nervousness
Sulfur protein and wool
Iron RBC
Copper enzyme component
Iodine metabolic rate
cobalt B 12
Sodium, Potassium, Chlorine Maintain calls
Mn, Zn, Sn, molybdenum enzyme co-factor
flourine bones and teeth
iron deficiency growth retardation
selenium deficiency white muscle disease
zinc deficiency scaly skin
selenium toxicity hoofs slough off
Digestion goal Reduce feed size; release nutrients
3 types of animal digestion classification Herbivore, omnivore, carnivore
Monogastrics types main type; simple stomach, avian, pseudo ruminants
Ruminants types cattle, pseudo ruminants
monogastric function chemical secretions and enzymes important; limited microbial action and fiber digestion
monogastric path mouth-> esophagus-> stomach-> intestine
small intestine parts duodenum, jujenum, ileum
Pancreatic secretions decrease particle size for absorption; fats to fatty acids, proteins to peptides, peptides to amino acids, starch to disaccharides, disaccharides to monosaccharides
absorption occurs in jejunum and upper ileum
Large intestine cecum; worthless in omnivores
Monogastric herbivores horse - small stomach (comparatively), highly developed cecum
avian digestion path esophogus-> crop-> esophogus-> proventriculus-> spleen-> gallbladder-> gizzard-> pancreas-> liver-> small intestine
Ruminant path esophagus-> reticulum, omasum, rumen abomasum
Ruminant Benefits uses matter other animals cannot, rumen microbes synthesize important nutrients
Camelids stomach 3 chambered stomach, one true stomach
Created by: frogball88