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Introduction to Animal Science Midterm 2
Nutrition and Reproduction
117
Veterinary Medicine
Undergraduate 1
03/16/2011

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Cards

Term
MUN
Definition
(Milk Urea Nitrogen) High levels of this metabolite may indicate too high a level of ruminally digestible protein
Term
Sucrose
Definition
Table Sugar / Cane Sugar
Term
Blind Staggers & Alkali Disease
Definition
Excess Selenium (Se) causes this in horses
Term
Animal with two ceca
Definition
Chicken
Term
Digestible Energy
Definition
Gross Energy - Fecal Energy
Term
900lb. horse eats how much feed per day?
Definition
18
Term
Omasum
Definition
Also called manyplies or "bible stomach" because of its structural similarity to that of a book; third compartment in the ruminant stomach
Term
Vent
Definition
external opening of the lower end of the digestive system in poultry
Term
Disaccharide
Definition
Two-sugar molecule
Term
Cobalt (Co)
Definition
Mineral required by bacteria to synthesize with vitamin B12
Term
Average horse consumes how many gallons of water a day?
Definition
12 gallons
Term
Calcium (Ca)
Definition
element necessary for bone growth and found primarily in forages
Term
Urea
Definition
used to cheapen the feed NPN (nonprotein nitrogen) in ruminants; also primary end-product of protein metabolism in mammals
Term
Riboflavin
Definition
Also called vitamin B12; maintains skin health and vision
Term
Esophageal and Reticular Grooves
Definition
groove in the second stomach between the esophagus and third stomach compartment that directs milk in young nursing animals away from the first two stomach compartments
Term
Iron Dextran
Definition
given to piglets to prevent Anemia
Term
Gizzard
Definition
Muscular stomach that crushes and grinds the feed and mixes it with digestive juices in the bird
Term
Essential Amino Acids (PVT TIM HALL)
Definition
phenylalanine, valine, threonine, tryptophan, isoleucine, methionine, histidine, arginine, leucine, lysine
Term
Essential Fatty Acids
Definition
include: arachidonic,linoleic,linolenic
Term
Ileum
Definition
Area where most absorption takes place in a simple stomached animal
Term
Chief energy source for pigs in the U.S.
Definition
Corn
Term
Concentrate
Definition
Feed category that is high in digestible energy and low in fiber
Term
ADF
Definition
Acid Detergent Fiber- Portion of a feed that contains mainly cellulose, lignin, and silica
Term
Coprophagy
Definition
practice of ingesting feces
Term
Milk Fever
Definition
Metabolic disorder occurring at or near the time of giving birth caused by a sudden drop in blood calcium levels; Calcium gluconate is used to treat this
Term
Kjeldahl
Definition
Test used to measure nitrogen levels in feed samples
Term
Peristalsis
Definition
Normal wavelike muscular contractions that propel ingesta through the digestive tract
Term
Digestion
Definition
Process of breaking down feed into simple substances that can be absorbed by the body
Term
Grass Tetany
Definition
metabolic disorder caused by deficiency of magnesium in the diet; also know as grass staggers and hypomagnesemic tetany
Term
Bile
Definition
Greenish yellow pigment produced by the liver and used in emulsifying fats
Term
Common Animal Protein Supplements
Definition
Blood meal, tankage, dried non-fat milk, feather meal
Term
Sun cured hay, green in color, supplies what vitamins?
Definition
D and A
Term
Night Blindness
Definition
Results from vitamin A deficiency
Term
Crop
Definition
Where some softening and pre-digestion of feed takes place in poultry
Term
ME
Definition
Metabolized Energy = gross Energy - (fecal Energy + gaseous energy + urinary energy)
Term
Carbohydrates
Definition
Organic compound containing carbon, hydrogen, and oxygen in which the hydrogen and oxygen are in the same proportion as that found in water. Made-up of SUGARS
Term
B-Complex
Definition
synthesized by the cow and thus are not normally required in the diet
Term
Goiter
Definition
Deficiency disorder caused by insufficient iodine consumption
Term
Lignin
Definition
completely undigestable by all animals
Term
How much percent of body weight does the average market hog eat per day?
Definition
3-4%
Term
Rickets
Definition
Metabolic disorder caused by Calcium (Ca) or Phosphorus (P) deficiency in young growing animals
Term
Lactose
Definition
Milk sugar
Term
Abomasum
Definition
Fourth or "true" stomach of the ruminant animal
Term
Colostrum
Definition
First milk
Term
Soft Pork
Definition
caused by too high dietary unsaturated fats
Term
Minerals
Definition
Also known as ash
Term
Oat Grain
Definition
Common high energy feed for horses
Term
Chyme
Definition
Partially digested feed that moves from the stomach to the small intestine
Term
Glycogen
Definition
Animal starch
Term
Cellulose
Definition
Polysaccharide that forms the bulk of plant cell walls; cannot be easily digested by ruminants
Term
Body weight eaten per day by beef cattle
Definition
2%
Term
Ether Extract
Definition
determines the fat content of a feed
Term
Dairy cows will normally consume ___% of their body weight/day in DM consumption
Definition
3.5
Term
Main gases in the Rumen
Definition
CH4, CO2
Term
Carnivore
Definition
Classification of animals that eat meat as the main part of their diet
Term
Percentage of N in most proteins
Definition
16
Term
Ventriculus
Definition
Gizzard- stomach of the bird, its involuntary grinding action has a tendency to break down food products in a similar manner to teeth
Term
Cecum
Definition
The blind pouch located at the point where the small and large intestines meet
Term
Ruminant
Definition
classification of animals with stomachs divided into four compartments
Term
Herbivore
Definition
Classification of animals that eat plants as the main part of their diet
Term
Iron (Fe) Deficiency
Definition
Presents as a paleness of the blood vessels under the eyelid
Term
Roughages
Definition
Feed category that is high in fiber and low in digestible energy
Term
Proventriculus
Definition
true stomach of the chicken
Term
Pica
Definition
An eating disorder typically defined as the persistent ingestion of non-nutritive substances
Term
SBM
Definition
Chief protein supplement for pigs
Term
Hardware Disease
Definition
wire/nails lodged in reticulum; also known as glandular stomach
Term
Esophagus
Definition
Tube-like passage from the mouth to the stomach
Term
TDN
Definition
(Total Digestible Nutrients) the total of the digestible protein, digestible nitrogen free extract, digestible crude fiber, and 2.25 times the digestible fat.
Term
Amylase
Definition
Swine saliva differs from that of the cow because it contains this; begins the digestive process
Term
Pancreas
Definition
Aids in digestion of carbohydrates and proteins by secreting enzymes
Term
Rumen
Definition
Also known as the paunch; first and largest compartment of the ruminant stomach
Term
Net Energy
Definition
Gross energy - (fecal energy + gaseous energy + urinary energy + heat increment)
Term
Tankage
Definition
Animal tissues and bones from animal slaughterhouses and rendering plants that are cooked, dried, and ground and then used as an animal protein supplement
Term
Bloat
Definition
Metabolic disorder caused by excessive accumulation of gases in the rumen
Term
Selenium (Se) Deficiency
Definition
Causes white muscle disease, stiff lamb disease, NMD (Nutritional Muscular Dystrophy)
Term
NFE
Definition
(Nitrogen Free Extract) measures the readily available CHO of a feed
Term
Photosynthesis
Definition
The trapping of solar energy and its conversion to chemical energy, which is used in the manufacturing of food molecules from carbon dioxide and water
Term
Challenge Feeding
Definition
gradual increase in the level on concentrates fed to challenge cows to reach their maximum potential for milk yield and to prevent ketosis and acetonemia
Term
A 600 lb steer being full fed a fattening ration would eat about ___ lbs feed/day.
Definition
12
Term
Uric Acid Crystals
Definition
cause the white portion of chicken manure
Term
Cribbing
Definition
An undesirable behavior in which a horse places its upper teeth on the edge of a fence post, feeder or stall door, arches its neck, inhales, and grunts.
Term
Grit
Definition
Used by the chicken as a grinding material to help break down large particles of feed into smaller ones
Term
Omnivore
Definition
classification of animals that eat both meat and plants to balance out their dietary needs
Term
Unsaturated fats
Definition
fat containing double bonds and thus not completely hydrogenated (more prone to rancidity)
Term
Labie
Definition
folds of the vulva
Term
Scrotum
Definition
skin-like sac that houses and protects the testes
Term
Isthmus
Definition
part of the oviduct where the shell is added to the egg in poultry
Term
Placentome
Definition
formed by the joining of caruncles and cotyledons to form “buttons” attaching the membrane (placenta) that encloses the fetus to the uterus
Term
Uterus
Definition
Term
Progesterone
Definition
produced by the Corpus Luteum (CL) hormone that maintains pregnancy and prevents further heats; measured in cows for pregnancy diagnosis
Term
Cloaca
Definition
common junction for outlets of digestive, urinary, genital systems through the vent
Term
Seminiferous Tubules
Definition
convoluted tubules located within the testes that are responsible for the production of spermatazoa
Term
Estrous
Definition
entire cycle of reproductive changes between two periods of estrus
Term
Cowper's Gland
Definition
also known as the bulbo-urethral gland, an accessory gland in the male the produces the seminal fluid needed to clean the urethra and neutralize its acidic environment
Term
Graafian
Definition
mature follicle filled with estrogen-rich fluid; referred to a as a blister, formed by influence of FSH
Term
Anestrus
Definition
phase or period of sexual quiescence
Term
Parenchyma
Definition
functional layer that houses the primary follicles; present at birth but lie dormant until puberty
Term
Primiparous
Definition
having given birth once, or currently in the process of giving birth.
Term
Estrogen
Definition
major female sex hormone produced by the ovaries, responsible for outward signs of heat or estrus
Term
Spermatazoa
Definition
Male gamete
Term
Winking
Definition
indication of estrus in mare
Term
Epinephrine
Definition
fight-or-flight hormone produced by the adrenal medulla, causes vasoconstriction. Released during times of stress; counteracts oxytocin
Term
GnRH
Definition
(Gonadotropin Releasing Hormone)- controls the release of FSH and LH
Term
Polyestrus
Definition
having many estrous cycles throughout the year
Term
Leydig Cells
Definition
produce the male hormone testosterone
Term
Polytocous
Definition
litter-bearing
Term
Clitoris
Definition
sensory and erectile organ in the female
Term
Infundibulum
Definition
funnel-shaped opening of the oviduct close to the ovary
Term
Nulliparous
Definition
having never given birth
Term
Oxytocin
Definition
milk let-down hormone
Term
Prolactin
Definition
milk secretion hormone
Term
PMSG
Definition
(Pregnant Mare Serum Gonadotropin)- produced in endometrial cups, involved in placental attachment in mares
Term
Sigmoid Flexure
Definition
S-curve in the penis of a bull, ram, or boar that allows for the elongation or straightening of the penis during copulation (extends the penis from outside of the sheath)
Term
Multiparous
Definition
females having had two or more pregnancies that resulted in a live offspring
Term
Dystocia
Definition
difficult or abnormal parturition
Term
Flushing
Definition
increasing the amount of energy in diet prior to breeding to increase ovulation rate
Term
Testosterone
Definition
male sex hormone, produced in the testes in males, (limited amounts produced in pituitary in females) responsible for secondary sex characteristics of the male (heavy chest, muscling, and masculine appearance)
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