JR Exam Questions Flashcards
Jr Exam Questions
What is a record of ancestry called?
pedigree
Jr Exam Questions
Which stste has the highest number of dairy cows?
California
Jr Exam Questions
What is the name of the large storage facility used to cool and store the milk until it can be transported to the milk processing plant?
bulk tank
Jr Exam Questions
How many pounds of whole milk does it take to make one pound of cheese?
10 pounds
Jr Exam Questions
What is the fluid by-product of cheese making?
whey
Jr Exam Questions
How long after birth should a calf be fed colostrum?
2-3 days
Jr Exam Questions
What are two common methods of identification in calves?
eartag, ear tattoo, photo, sketch,
Jr Exam Questions
Where in the cow are the eggs produced?
ovaries
Jr Exam Questions
Where is the Red & White Breed Headquarters located?
Clinton, WI
Jr Exam Questions
Which dairy cattle breed orginated in the Netherlands and Germany?
Holstein
Jr Exam Questions
What is the recommended temperature for washing the bulk tank?
160º
Jr Exam Questions
Where is the All-American Dairy Show held?
Harrisburg, PA
Jr Exam Questions
How many classes of milk are there?
4
Jr Exam Questions
When posing your COW for the judge, her rear leg closet to the judge should be __?
slightly forward of the other one
Jr Exam Questions
Microminerals are laso known as ___ minerals.
trace
Jr Exam Questions
Which part of the reproductive tract is where the calf grows and develops?
uterus
Jr Exam Questions
Name the stomach compartments of the cow.
rumen, reticulum omasum, abomasum
Jr Exam Questions
What do the letters ET stand for?
embryo transfer
Jr Exam Questions
How much does a gallon of milk weigh?
8.6 lbs
Jr Exam Questions
How can a population’s genetic make-up be changed?
migration, mutation, selection
Jr Exam Questions
What bredd of dairy cattle is known for the golden color of milk?
Guernsey
Jr Exam Questions
What symbol assures the customer that the product they are purchasing is a genuine dairy product?
Real Seal
Jr Exam Questions
What disease is caused by a deficiency of Vitamin E and selenium?
white muscle disease
Jr Exam Questions
How old is a calf when it begins to chew its cud?
2 weeks
Jr Exam Questions
Which stomach compartment is the largest?
rumen, reticulum omasum, abomasum
Jr Exam Questions
Which stomach chamber is often referred to as the honeycomb?
reticulum
Jr Exam Questions
Why would a farmer use copper sulfate ona dairy farm?
as a foot bath additive
Jr Exam Questions
What do you call the process that turns cream into butter?
churning
Jr Exam Questions
Which breed of dairy goat has ears that are so small, they look like they don’t even have ears?
La Mancha
Jr Exam Questions
Give an example of a legume.
alfalfa, soybeans, clover
Jr Exam Questions
What is the process of joining an ovum and a sperm called?
fertilization
Jr Exam Questions
What are the small projections that line the wall of the rumen?
papillae
Jr Exam Questions
What is the largest dairy cooperative in the world
DFA (Dairy Framers of America)
Jr Exam Questions
What are the stages of a fly’s life cycle?
egg, larvae, pupa, adult
Jr Exam Questions
The “Red Bloodlines” is the breed publication of which breed?
Red & White Holsteins
Jr Exam Questions
What class of milk would you find cream cheese in?
Class III
Jr Exam Questions
What is the standard length of a DHIA record?
305 days
Jr Exam Questions
How many quarts of saliva does a mature dairy cow produce per day?
50-80 quarts
Jr Exam Questions
Corn grain contains the greatest amount of what basic nutrient?
carbohydrate
Jr Exam Questions
The two parts of a cow that can be twisted to one side and called “wry” are what?
face and tail
Jr Exam Questions
When a calf drinks milk, what diverts the milk into the abomasum?
esophageal groove
Jr Exam Questions
How many pounds does a typical Jersey calf weigh at birth?
50-60 lbs
Jr Exam Questions
Name an on-farm screening test to detect mastitis.
CMT (California Mastitis Test), Strip Cup, Conductivity
Jr Exam Questions
What month’s cana spring heifer be born in?
March, April, May
Jr Exam Questions
The normal temperature of a calf is?
102.5º
Jr Exam Questions
What is the recommended length for a cow’s dry period?
45-60 days
Jr Exam Questions
The study of goats and goat husbandry is known as:
capriculture
Jr Exam Questions
What is known as the “national dairy farm magazine”?
Hoard’s Dairyman
Jr Exam Questions
Where is the thurl located on the dairy cow?
between hooks and pins
Jr Exam Questions
What is the name of the official Jersey breed magazine?
Jersey Journal
Jr Exam Questions
What city holds the National 4-H Dairy Conference?
Madison, WI
Jr Exam Questions
Which of the stomach compartments is located closest to the heart?
reticulum
Jr Exam Questions
Name a style of milk parlor.
parallel, side-opening, herringbone, rotary, parabone
Jr Exam Questions
What dairy feedstuff is made from sugar beet or sugar cane, is high in sugar, and has a sweet small?
molasses
Jr Exam Questions
What do you call a plant that must be replanted each year?
annual
Jr Exam Questions
What hormone is known as the “milk letdown” hormone?
oxytocin
Jr Exam Questions
What are the two most common health problems in calves?
scours & pneumonia
Jr Exam Questions
Microminerals are needed in what amount?
small amounts
Jr Exam Questions
What is another name for the corpus luteum?
yellow body
Jr Exam Questions
What is the by-product of cheese making called?
whey
Jr Exam Questions
What is the term for an animal that never grows horns because of its genetic make-up?
polled
Jr Exam Questions
Give the order of classes at dairy shows.
Youngest - spring heifer calf, winter heifer calf, fall heifer calf, summer yearling heifer, spring yearling heifer, winter yearling calf, fall yearling heifer
Jr Exam Questions
What fast food chain in the United Sates uses the most milk?
McDonald’s
Jr Exam Questions
What is the device used to test the quality of colostrum?
colostrometer
Jr Exam Questions
How often should the on-farm bulk tank be washed and sanitized?
every time it is emptied
Jr Exam Questions
What is the average length of a cow’s pregnancy?
280-285 days
Jr Exam Questions
What is the most popular cheese in the Unites States?
mozzarella
Jr Exam Questions
Where does one give an intramuscular injection?
in the neck
Jr Exam Questions
What is the name of the condition when a cow cannot belch?
bloat
Jr Exam Questions
What is the most costly disease in dairy cattle?
mastitis
Jr Exam Questions
Dystocia means difficulty doing what?
difficulty giving birth
Jr Exam Questions
How many teeth does a mature dairy cow have?
32 teeth, no upper front teeth
Jr Exam Questions
Which breed of dairy cattle is the largest bymartue breed weight?
Brown Swiss
Jr Exam Questions
How many pairs of chromosomes does a dairy animal have?
30 pair
Jr Exam Questions
What do the letters DHIA stand for?
Dairy Herd Improvement Association
Jr Exam Questions
What is a sterile heifer born twin to a bull called?
freemartin
Jr Exam Questions
What would you give a dairy animal to help with the prevention of hardware disease?
magnet
Jr Exam Questions
Which of the dairy cattle breeds is the smallest?
Jersey
Jr Exam Questions
What nutrient is required by the dairy animal in the largest amount?
water
Jr Exam Questions
What hormone blocks milk let down?
adrenaline
Jr Exam Questions
What does DM stand for in regards to nutrition?
dry matter
Jr Exam Questions
What month is national dairy month?
June
Jr Exam Questions
What breed of dairy cow makes up approximately 90% of all dairy cows in the US?
Holstein
Jr Exam Questions
What causes ringworm?
fungus
Jr Exam Questions
Where is a cow’s blind spot?
directly behind the animal
Jr Exam Questions
The CMT is used to detect what type of infection?
mastitis
Jr Exam Questions
What factor contributes the greatest cost to the production of milk?
feed costs
Jr Exam Questions
What are the functions of saliva?
mostens food, acts a buffer, lubicates food
Jr Exam Questions
The PDCA Dairy Cow Unified score card changed in what year?
2009
Jr Exam Questions
What month is National Ice Cream month?
July
Jr Exam Questions
Which organ is affected by endometritis?
uterus
Jr Exam Questions
What is the name of the process that breaks up the fat particles so that they remain mixed in the milk?
homogenization
Jr Exam Questions
For Holstein’s what is the range for a very good classification?
85-89
Jr Exam Questions
What part of the back lies between the withers and the middle of the back on both dairy cows and dairy goats?
chine
Jr Exam Questions
What is the mature bodyweight of a Jersey cow?
1000 lbs
Jr Exam Questions
Milk is usually fortified with what two vitamins?
A and D
Jr Exam Questions
Name the two gases produced in the rumen.
carbon dioxide and methane
Jr Exam Questions
What do the letters USDA stand for?
United States Department of Agriculture
Jr Exam Questions
What vitamin is necessary because it helps to clot blood?
Vitamin K
Jr Exam Questions
What percent fat is whole milk?
3.25%
Jr Exam Questions
Name an animal besides a dairy cow that produces milk for human consumption.
goat, sheep, yak, camel, water buffalo, reindeer, horse
Jr Exam Questions
What element is used to store semen?
liquid nitrogen (-320º)
Jr Exam Questions
What is the liquid portion leftover after making cheese?
whey
Jr Exam Questions
Mastitis is caused by what type of microorganism?
bacteria
Jr Exam Questions
What is a castrated male goat called?
wether
Jr Exam Questions
What are castrated male dairy cattle called?
steer
Jr Exam Questions
In what part of the cow does a calf grow and develop?
uterus
Jr Exam Questions
Where is the pastern located?
above the hoof
Jr Exam Questions
Ringworm is caused by what type of microorganism?
virus
Jr Exam Questions
What do the letters TMR stand for?
total mixed ration
Jr Exam Questions
On the PDCA Unified Score Card for Dairy Cows, Dairy Strength counts for how many points?
25 points
Jr Exam Questions
What is the practice of flushing an embryo from one cow and placing it in another?
embryo transfer
Jr Exam Questions
Name one common metabolic disorder.
milk fever, ketosis, retained placenta
Jr Exam Questions
What is the name of plants whose life cycle is more than two years?
perennial
Jr Exam Questions
Which breed of dairy goat is all white?
Saanen
Jr Exam Questions
What is the mother of a dairy calf called?
dam
Jr Exam Questions
What three parts of the Brown Swiss are typically black?
nose, hoofs, switch
Jr Exam Questions
What is the term for the milk left in the udder after milking?
residual milk
Jr Exam Questions
In reference to dairy health, what do the letters DA mean?
displaced abomasum
Jr Exam Questions
The relationship bewteen the rumen microbes and the ruminant animal is called:
symbiotic
Jr Exam Questions
The average age of a dairy calf when it is weaned is approximately what?
4-8 weeks old
Jr Exam Questions
Name a common type of fly on the dairy farm.
face fly, house fly, heel fly
Jr Exam Questions
What compartment of the digestive system is known as the true stomach?
abomasum
Jr Exam Questions
What breed is known as the Royal Breed?
Guernsey
Jr Exam Questions
What is the normal temperature of a dairy cow?
101.5º
Jr Exam Questions
Glucose and galactose are two simple sugars that make up what more complex milk sugar?
lactose
Jr Exam Questions
When you buzz in during a dairy bowl game you may only repsond when?
after the judge acknowledges you
Jr Exam Questions
What is the average number of days between heat periods for a cow ad goat?
21 days
Jr Exam Questions
When judging dairy cows, the udder is worth how many points?
40 points
Jr Exam Questions
What is the first milk from the cow called?
colostrum
Jr Exam Questions
What vitamin is added to all commercially available milk?
A and/or D
Jr Exam Questions
What chamber of the stomach is closest to the heart?
reticulum
Jr Exam Questions
Name a common type of manure storage facility?
dry stack barn, anaerobic pit, earthen structure, above ground tank, lagoon
Jr Exam Questions
When milk is pasteurized, it is heated to 161ºF for how long?
15 seconds
Jr Exam Questions
What is the most common illness a dairy calf can get?
scours
Jr Exam Questions
How often should water be available to dairy cows?
24 hrs/day
Jr Exam Questions
The Ayrshire originated in what country?
Ayr, Scotland
Jr Exam Questions
What is the term for the first streams of milk stripped from the udder prior to milking?
foremilk
Jr Exam Questions
What organ produces the cow’s eggs?
ovary
Jr Exam Questions
A _____ sale is when a farmer sells his entire herd.
dispersal
Jr Exam Questions
At what age do you want a dairy heifer to calve for the first time?
2 years old
Jr Exam Questions
What is the name of the precursor to vitamin A?
carotene
Jr Exam Questions
Feta cheese is mainly made from the milk from what animal?
sheep
Jr Exam Questions
The land area that catches rain and snow run-off and drains to marshes, streams, rivers, lakes and/or groundwater is called what?
watershed
Jr Exam Questions
What is the common name for mycobacterium paratuberculosis?
Johne’s disease
Jr Exam Questions
What is the name of the on-farm tool used to measure fiber and forage particle size?
forage particle separator
