Junior Exam - 2013 Flashcards
The Red Bloodlines” is the breed publication of which breed?
Red and White
What is the practice of flushing an embryo from one cow and placing it in another?
Embryo Transfer
(ET)
What component affects the amount of cheese one can get from a pound of milk?
Protein
What dairy breed is known for producing milk with a golden color?
Guernsey
What is another name for twisted stomach?
Displaced Abomasum
Which breed of dairy cattle produces milk with the highest percent of butterfat?
Jersey
Green chop is defined as…?
forages harvested in the field and fed directly to livestock
What are the small projections on the surface of the walls of the rumen called?
papillae
What logo is found on dairy products to show that they are true dairy products?
The Real Seal
What vitamin is added to milk when it is processed to help prevent rickets?
Vitamin D
What do the initials A.I. stand for when talking about breeding cows?
Artificial Insemination
What type of parlor is the most common type in use today?
Herringbone
What test is used to identify Brucellosis in cattle?
Milk ring test
What is another name for the corpus luteum?
Yellow body
What is the main function of the omasum?
dehydration of feed
Where is undigested feed and waste excreted?
anus
In what country did the Ayrshire breed originate?
Scotland
In the rumen, carbohydrates are converted into VFAs. What does VFA stand for?
Volatile Fatty Acids
What is the only part of the milking system that touches the cow?
Teat cup liner.
Who is the current US Secretary of Agriculture?
Tom Vilsack
What city hosts the National 4-H Dairy Conference?
Madison, Wisconsin
What is the normal respiratory rate for a cow?
30 breaths per minute
What is the primary digestive process in the rumen?
Fermentation of feedstuffs
Remember: The rumen is the “Fermentation Vat”
What is the main type of mastitis that is characterized by visible abnormalities in the udder or milk called?
Clinical mastitis.
What do the letters, USDA stand for?
United States Department of Agriculure
What is the name of the process that destroys disease producing bacteria?
Pasteurization
How long after birth should a calf be fed colostrum?
Three Weeks
What is a record of ancestry?
A Pedigree.
What is the primary protein found in milk?
Casein
What are wrapped round bales of silage called?
Baleage
What breed is the smallest dairy breed?
Jersey
What is the name for clusters of milk secreting cells in the udder of a dairy cow?
Alveoli
What are two structural carbohydrates that the dairy animal can use as a source of energy?
Cellulose and Hemicellulose
The process that turns cream into butter is called….?
Churning
On average, how many days are there between heat periods in a dairy cow?
21 days
As soon as cows leave the milking parlor is a peak time for consumption of what nutrient?
Water
Why do dairy farmers put K-MAR patches on the rump of their cows?
To detect heat.
What is the method for permanent ID for the Ayrshire breed?
Photographs or sketches
When is the most effective time to treat mastitis infections?
At dry off.
How many teeth does a mature cow have?
32
Which of the cow’s stomach compartments is the largest:
Rumen
The correct place to give an intramuscular injection is…?
neck
What category receives the most points under the PDCA Dairy Cow Unified Scorecard
Udder
Approximately how much bood must be pumped through the udder to produce one pound of milk…?
400 Lbs
Classification is the term used for comparing a cow or doe to….?
the Ideal for her breed
True or False:When showing a dairy animal, you should parade clockwise before the judge.
True
Which of the following is NOT a source of change in a population’s genetic makup?
- Migration
- Mitosis
- Mutation
- Selection
Mitosis
What three colors are found in registered Holsteins?
Red, White, and Black
What is the normal body temperature of a healthy calf?
102.5° F
What state has the highest number of dairy cows?
California
