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Exam 2 Material
Housing through Genetics
81
Agriculture
Undergraduate 2
10/18/2014

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Term
Check-off dollars used for:
Definition
1) Generic promotion of dairy products
2) New product development (research)
3) Nutrition Education
Term
Far-off Dry Cow
Definition
30-60 days from calving
Term
Close-up Dry Cow
Definition
Due in the next 30 days
Term
3 phases of Dry Period
Definition
1. Active Involution
2. Steady State
3. Regeneration/Colostrum Production
Term
Mastitis
Definition
inflammation of the mammary gland (udder)
Term
Metritis
Definition
inflammation and/or infection of the uterus
Term
Ketosis
Definition
Elevation of blood ketones
Term
3 Types of Ketosis
Definition
1. Energy imbalance
2. Fat accumulation and mobilization
3. Butyric Acid - abnormally fermented feeds
Term
Hypocalcemia (milk fever)
Definition
Low blood calcium
Term
Animal Welfare
Definition
the idea of it being morally acceptable to use animals for human purposes as long as they are treated humanely and no unnecessary suffering is caused
Term
Animal Rights
Definition
the idea that it is not morally acceptable to use animals for human purposes, no matter the type of treatment because animals have rights similar or the same as humans
Term
FAWC
Definition
Farm Animal Welfare Committee
Term
Five Freedoms
Definition
1. Freedom from hunger and thirst
2. Freedom from discomfort
3. Freedom from pain, injury, and disease
4. Freedom to express normal behaviors
5. Freedom from fear and distress
Term
Freedom from Hunger and Thirst
Definition
by ready access to fresh water and a diet to maintain full health and vigor
Term
Freedom from Discomfort
Definition
by providing an appropriate environment including shelter and a comfortable resting area
Term
Freedom from Pain, Injury, and Disease
Definition
by prevention or rapid diagnosis and treatment
Term
Freedom to Express Normal Behaviors
Definition
by providing sufficient space, proper facilities, and company of the animal's own kind
Term
Freedom from Fear and Distress
Definition
by ensuring conditions and treatment which avoid mental suffering
Term
Top 3 major welfare issues
Definition
1. Lameness
2. Dehorning/Debudding calves
3. Tail docking
Term
Non-ambulatory
Definition
a cow that cannot stand due to injuring or disease
Term
FARM
Definition
Farmers Assuring Responsible Management
Term
6 areas of F.A.R.M. program
Definition
1. Nutrition
2. Animal Health
3. Management
4. Environment and Facilities
5. Handling, Movement, and Transport
6. Third-Party Verification
Term
Acceptable methods of euthanasia
Definition
1. Chemical (barbiturates)
2. Physical (gunshot, captive bolt)
Term
Adjunctive Methods
Definition
1. Chemical (potassium chloride, magnesium sulfate)
2. Physical (exsanguinate, second shot, pith)
Term
Unacceptable methods of euthanasia
Definition
1. Blunt force trauma
2. Unapproved chemicals
3. Latrogenic air embolism
4. Sedation following unapproved chemicals for primary euthanasia
5. Conscious exsanguination
6. Electrocution
7. Drowning
Term
Evaluating consciousness
Definition
1. Reflexes - corneal, palpebral, righting 2. Rhythmic Respiration 3. Vocalization
Term
Confirmation of death
Definition
1. Lack of an auscultable heartbeat
2. Absence of respiration
3. Loss of reflexes
4. Greying mucus membranes
5. Rigor mortis
Term
Permanent Animal ID
Definition
1. Sketches
2. Photographs
3. Tattoos
4. Brands
5. RFID
Term
RFID
Definition
Radio Frequency Identification
Term
Temporary Animal ID
Definition
1. Ear tags
2. Neck chains or straps
3. Leg bands
Term
Genomic Selection
Definition
making predictions of genetic merit and choosing breeding animals based on DNA sequences
Term
Chromosomes
Definition
a packaged bundle of genes that determine the physical characteristics of an organism
Term
# of cattle chromosomes
Definition
30
Term
DNA acronym
Definition
Deoxyribonucleic Acid
Term
DNA
Definition
Double helical structure that contains numerous genes
Term
Gene
Definition
A distinct portion of a cell's DNA that determines a portion of an animal's appearance, performance, behavior, etc.
Term
Nucleotides
Definition
Building blocks of DNA
- A,C,G,T
Term
Genotype
Definition
genetic makeup
Term
Allele
Definition
alternative form of a gene at a given locus on a chromosome
Term
Locus
Definition
region of a chromosome where a particular gene is located
Term
4 major factors of genetic progress
Definition
1. Accuracy of Selection 2. Selection Intensity 3. Genetic Variation 4. Generation Interval
Term
Accuracy of Selection
Definition
breeder's ability to select animals that are truly genetically superior for a given trait
Term
Selection Intensity
Definition
dependent on the proportion and quality of animals kept as parents (breeding stock) for the next generation
Term
Genetic Variation
Definition
relative differences among animals that are controlled by genetic factors (a function of heritability)
Term
Generation Interval
Definition
average age of a parent when all offspring are born
Term
Heritability
Definition
the proportion of variation in a trait due to genetic factors
Term
High Heritability Traits
Definition
1. Stature
2. Body Depth
3. Rump Angle
4. Rear teat Placement
Term
Low Heritability Traits
Definition
1. Rear Legs - Rear View
2. Foot Angle
3. Rear Legs - Side View
4. Rear Udder Width
Term
Environmental Variance
Definition
the difference in performance of animals that is caused by environmental effects
Term
SNP
Definition
Single-nucleotide polymorphism
Term
AIPL
Definition
Animal Improvement Programs Laboratory
Term
PTA
Definition
Predicted Transmitting Ability
Term
Predicted Transmitting Ability
Definition
estimate of genetic superiority (or inferiority) that a bull or cow will transmit to their offspring for a given trait
Term
Genetic Evaluations
Definition
Bull "proofs" calculated by USDA-AIPL in cooperation with the CDCB
Term
CDCB
Definition
Council for Dairy Cattle Breeding
Term
PTA$
Definition
Gross dollar income of per lactation that future daughters of bulls will earn in excess of herdmates sired by bulls having a PTA$ equal to zero
Term
Reliability
Definition
measure of the estimated accuracy of the PTA, based on the amount of information included in the evaluation
Term
%Rel
Definition
Reliability
Term
Lifetime Net Merit
Definition
estimate of an animal's ability to improve the profits of the dairy farm
Term
Lifetime Net Merit Percentages
Definition
35% Production Traits
48% Health Traits
17% Conformation
Term
Production Traits
Definition
1. Fat pounds
2. Protein pounds
Term
Health Traits
Definition
1. Productive Life
2. SCS (Somatic Cell Score)
3. Daughter Pregnancy Rate
4. Calving Ability (sire/daughter calving ease/stillbirth)
Term
SCS
Definition
Somatic Cell Score
Term
Conformation Traits
Definition
1. Udder Composite
2. Feet and Leg Composite
3. Body Size
Term
MDA
Definition
Midwest Dairy Association
Term
SOP
Definition
Standard Operating Procedures
Term
ET
Definition
Embryo transfer
Term
IVF
Definition
In vitro fertilization
Term
ET
Definition
Embryo transfer
Term
IVF
Definition
In vitro fertilization
Term
NAAB
Definition
National Association of Animal Breeders
Term
Overrun
Definition
the amount of air that is whipped into ice cream
Term
3 main ingredients of ice cream
Definition
1. milk
2. sugar
3. vanilla
Term
Legal limit of overrun
Definition
less than or equal to 100%
Term
Purpose of using rock salt when making ice cream
Definition
works as a stabilizer, so it forces the ice to melt and causes it to actually get colder
Term
Legal minimum amount of milk fat in ice cream
Definition
at least 10%
Term
What causes ice cream to be "gritty"
Definition
from freezing ice cream too quickly because ice crystals form
Term
What causes ice cream to be "gummy"
Definition
from using old whipping cream
Term
How many pounds of whole milk does it take to make 1 lb. of butter
Definition
21.2 lbs
Term
Minimum legal amount of milk fat that must be in butter
Definition
80%
Term
Liquid remains when making butter
Definition
Buttermilk
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