Juniors-2023 Flashcards
Written Exam for 2023
What month is observed as National Ice Cream Month?
July is national Ice Cream Month
If and embryo contains an ‘X’ and a ‘Y’ chomosome what sex will the calf be?
Male
- X/X would be Female - This is called Homozygous
- X/Y would be Male - This is called Heterozygous
What season does pinkeye most often occur?
Summer
True or False: A breed is a group of cattle with similar traits that are passed from generation to generation.
TRUE
What type of milk is prepared by removing about half the water from whole milk and adding at least 40 percent sugar?
Sweetened Condensed Milk
When exhibiting a dairy animal in a circle, which direction should you move?
Clockwise
What is the most costly disease in dairy cattle?
Mastitis
True or False: The egg is the female reproductive cell produced in the ovary.
TRUE
Where did the first cows arrive in America?
Jamestown Colony
True or False? Antibiotics in colostrum help create immunity in newborn calves.
FALSE
Colostrum contains antibodies that provide immunity from disease for calves.
What is the largest processor and distributor of milk and dairy products in the US?
Nestle USA
True or False: The fetus develops in the cow’s ovary.
FALSE
The fetus develops in the uterus after the ovum is fertilized.
What hormone can interfere with milk ejection when a cow becomes frightened or upset?
Adrenaline
True or False: The pulsator stirs milk in the bulk tank to help with cooling and to provide a uniform product mixture for sampling
FALSE
The Agitator stirs milk in the bulk tank to help with cooling and to provide a uniform product mixture
for sampling
What month is observed as National Grilled Cheese Month.
April
True or False: The papillae are the tiny, finger like projections that line the wall of the rumen.
TRUE
What stomach compartment is known as the true stomach?
Abomasum
True or False: Artificial Insemination is depositing of sperm into the reproductive tract of a female other than by natural mating.
TRUE
Where is the World Dairy Expo held?
Madison Wisconsin
True or False: The Holstein breed makes up about 90% of the US dairy cow population.
TRUE
How much is the udder worth on the PDCA Dairy Cow Unified Scorecard?
40 points
True or False: Milk is around 87% water.
TRUE
What are copper sulfate, zinc sulfate, and formalin used in?
Footbath
True or False: The term “Rancid” describes cheese that is cured for over six months to give it a sharp flavor and firm texture.
FALSE
“Aged” is the term used to describe cheese that is cured for over 6 months to give it a sharp flavor and firm texture.
What is the structure through which the fetus receives all its nutrients?
Placenta
True or False: A dry cow is a cow that is not lactating but has been through one lactation previously.
TRUE
What is often given to an animal to prevent hardware disease?
A magnet
True or False: Cheese is classified according to consistency as soft, semi-soft, hard, and very hard.
TRUE
What term describes cattle that do not grow horns because of their genetic makeup?
Polled
True or False: Lung worms, round worms, stomach worms, liver flukes and coccidia are all external parasites.
FALSE
Lung worms, round worms, stomach worms, liver flukes and coccidia are all internal parasites.
What is the most frequent cause of high bacterial counts in milk?
Dirty Equipment
True or False: Mozzarella is the second most popular variety of cheese in the United States
FALSE
Mozzarella is the MOST popular cheese in the US. Cheddar is the second most popular cheese in the US.
What is the common name for the disease known as “Traumatic Gastritis”?
Hardware Disease
True or False: Frozen colostrum can be safely stored for 2 years.
False
Frozen colostrum may be safely stored for one year.
What is the common name for the disease known as pododermatitis?
Foot Rot
True or False: Calves should be dehorned around 5 months of age?
FALSE
Calves should be dehorned at about three weeks of age.
What stomach compartment is known as the “many plies”?
Omasum
True or False: Fly spray is the most effective management tool to control flies on a dairy farm.
FALSE
Sanitation is the most effective management tool to control flies on a dairy farm.
What type of milking parlor do the cows set up on the platform and has stalls in a circle which rotates so the milker can stay in position?
Rotary Parlor
True or False: Pedigree is the technical term used to describe brothers and sisters.
FALSE
Siblings is the technical term used to describe brothers and sisters.
What is the period of time when a cow is in milk?
lactation
On what side do most displaced abomasum’s occur?
Left
The undesirable recessive trait know as limber legs and rectovaginal constrictions affect which breed?
Jersey
True or False: Biosecurity are management practices that protect the herd from entry of a new disease and minimize the spread and or advers effects of disease in the herd.
TRUE
When were the Nutrient Requirements of Dairy Cattle last updated?
2021
True or False: Curd is the fluid by-product of cheese making.
FALSE
Whey is the fluid by-product of cheesemaking.
What is feed called that a cow has regurgitated and is being re-chewed?
Cud
True or False: The nutritionist is the name of the person who trims cow’s hooves.
FALSE
A hoof trimmer is the name of a person who trims a cow’s hooves.
What are diseases called that can be transmitted from cattle to humans and humans to catle?
Zoonotic
If and embryo contains two ‘X’ chomosomes what sex will the calf be?
Female
