AZ FFA Dairy Evaluation
On the PDCA Dairy Cow Score Care, the category "feet and legs" accounts for how many
points? Correct Answer: 15
Which one of the following is the largest dairy milk marketing cooperative in the US? Correct
Answer: Dairy Farmers of America
When comparing bulls for artificial insemination, what does "SCR" stand for? Correct Answer:
Sire Conception Rate
Which one of the following is not classified as a water-soluble vitamin? Correct Answer:
Vitamin A
When using sexed semen, conception rates are about what percent of the conception rates
achieved when using unsexed semen under the same conditions? Correct Answer: 80%
In the ruminant digestive system, which of the following is the name of the first section of the
small intestine that is connecting to the abomasum? Correct Answer: duodenum
Research has shown that by formulating lactating cow rations with proper amounts of certain
amino acids, we can decrease the crude protein content of the ration and reduce which of the
following? Correct Answer: nitrogen excretion to the environment
In order to prevent bloat, the feed additive Poloxalene is often added to feed rations for cows that
are grazing. Which of the following grazed forages are most likely to cause bloat? Correct
Answer: alfalfa and clover
Rumen bacteria enable dairy cattle to utilize which feed supplement? Correct Answer: urea
Heritability for milk production in dairy cattle is: Correct Answer: 30%
If the heat detection rate is 30% and the conception rate is 30%, the pregnancy rate is: Correct
Answer: 9%
Which of the following are the three primary volatile fatty acids (VFAs) produced in the rumen?
Correct Answer: acetate, propionate, and butyrate
Which of the following is an infectious disease? Correct Answer: ringworm
What female hormone causes follicles to begin development? Correct Answer: follicle
stimulating hormone
In dairy cows, what is the name of the disease caused by the organisms Staph, Aureus, Strep,
Uberis and Klebisella? Correct Answer: mastitis
,What stomach compartments are not developed in a newborn calf? Correct Answer: rumen and
reticulum
When compared to normal corn silage, brown mid-rib corn silage has more energy and higher
digestibility. This is largely due to its lower content of what? Correct Answer: lignin
Which of the following describes biotin? Correct Answer: a B-vitamin
Material used in a footbath for cows with foot rot problems is: Correct Answer: copper sulfate
Approximately how many gallons of blood pass through the udder for each gallon of milk
produced? Correct Answer: 400 to 500 gallons
Subcutaneous injections are placed: Correct Answer: under the skin
Which of the following has the greatest impact on improving producer income? Correct Answer:
decreasing SCC
What class of nutrients are the highest in energy? Correct Answer: fats
The normal lactation of dairy cows is how many days? Correct Answer: 305
What direction should calf hutches face in the winter? Correct Answer: south
Milking time is best reduced by: Correct Answer: preparing cows properly
How many hours does the egg have a fertile life after it is released before it must be fertilized?
Correct Answer: 6-10 hours
Generally, which group of animals on the farm will have the best genetics? Correct Answer:
calves
Which of the following describes the Cooperatives Working Together (CWT) program? Correct
Answer: A national dairy farmer-funded program that is used to help stabilize milk prices
Which dairy product's minimum fat percentage is 80%? Correct Answer: butter
Which one of the following components of a corn plant is not digestible by the dairy cow?
Correct Answer: lignin
Which of the following is the name of the term for a farm's unique identification number that is
part of the National Animal Identification System? Correct Answer: premises ID
Which of these breeds is from the English Channel Islands and known for producing milk
highest in protein and fat? Correct Answer: Jersey
, Which compartment of the ruminant stomach functions in a similar manner as the human
stomach? Correct Answer: Abomasum
The Pasteurized Milk Ordinance is the rulebook for: Correct Answer: Producers who sell Grade
A milk
Which of the these breeds is known for producing golden-colored milk? Correct Answer:
Guernsey
Sexed semen is best used on virgin heifers. How many times should you breed them with it
before trying something else? Correct Answer: once
Milk used for butter production would be classified as what? Correct Answer: Class IV
What major category on the current PDCA Unified Dairy Scorecard contains breed
characteristics? Correct Answer: Frame
Phenotype is defined as the combined effects of genetics and what other component? Correct
Answer: environment
Injection site lesions and carcass bruises lower the value of cows at market and hurt cow prices.
Ideally, where should intramuscular injections be given to prevent lesions? Correct Answer: in
the neck or shoulder
Manure digesters produce what gas which can be converted into electricity? Correct Answer:
methane
How long after birth will calves absorb immunoglobins from colostrum? Correct Answer: 24
hours
What percent of US dairies have more than 500 cows? Correct Answer: 4.20%
Using a bull that has a good proof for productive life will probably not improve which of these
traits? Correct Answer: milk production
Ethanol fuel is produced from which of these crops? Correct Answer: corn
What is the most common bacterium causing chronic mastitis? Correct Answer: Staphylococcus
aureus
Cows excrete how many pounds of manure for every pound of milk produced? Correct Answer:
2
How many amino acids are considered to be essential in the dairy cow, and therefore are
required in the diet? Correct Answer: 10
On the PDCA Dairy Cow Score Care, the category "feet and legs" accounts for how many
points? Correct Answer: 15
Which one of the following is the largest dairy milk marketing cooperative in the US? Correct
Answer: Dairy Farmers of America
When comparing bulls for artificial insemination, what does "SCR" stand for? Correct Answer:
Sire Conception Rate
Which one of the following is not classified as a water-soluble vitamin? Correct Answer:
Vitamin A
When using sexed semen, conception rates are about what percent of the conception rates
achieved when using unsexed semen under the same conditions? Correct Answer: 80%
In the ruminant digestive system, which of the following is the name of the first section of the
small intestine that is connecting to the abomasum? Correct Answer: duodenum
Research has shown that by formulating lactating cow rations with proper amounts of certain
amino acids, we can decrease the crude protein content of the ration and reduce which of the
following? Correct Answer: nitrogen excretion to the environment
In order to prevent bloat, the feed additive Poloxalene is often added to feed rations for cows that
are grazing. Which of the following grazed forages are most likely to cause bloat? Correct
Answer: alfalfa and clover
Rumen bacteria enable dairy cattle to utilize which feed supplement? Correct Answer: urea
Heritability for milk production in dairy cattle is: Correct Answer: 30%
If the heat detection rate is 30% and the conception rate is 30%, the pregnancy rate is: Correct
Answer: 9%
Which of the following are the three primary volatile fatty acids (VFAs) produced in the rumen?
Correct Answer: acetate, propionate, and butyrate
Which of the following is an infectious disease? Correct Answer: ringworm
What female hormone causes follicles to begin development? Correct Answer: follicle
stimulating hormone
In dairy cows, what is the name of the disease caused by the organisms Staph, Aureus, Strep,
Uberis and Klebisella? Correct Answer: mastitis
,What stomach compartments are not developed in a newborn calf? Correct Answer: rumen and
reticulum
When compared to normal corn silage, brown mid-rib corn silage has more energy and higher
digestibility. This is largely due to its lower content of what? Correct Answer: lignin
Which of the following describes biotin? Correct Answer: a B-vitamin
Material used in a footbath for cows with foot rot problems is: Correct Answer: copper sulfate
Approximately how many gallons of blood pass through the udder for each gallon of milk
produced? Correct Answer: 400 to 500 gallons
Subcutaneous injections are placed: Correct Answer: under the skin
Which of the following has the greatest impact on improving producer income? Correct Answer:
decreasing SCC
What class of nutrients are the highest in energy? Correct Answer: fats
The normal lactation of dairy cows is how many days? Correct Answer: 305
What direction should calf hutches face in the winter? Correct Answer: south
Milking time is best reduced by: Correct Answer: preparing cows properly
How many hours does the egg have a fertile life after it is released before it must be fertilized?
Correct Answer: 6-10 hours
Generally, which group of animals on the farm will have the best genetics? Correct Answer:
calves
Which of the following describes the Cooperatives Working Together (CWT) program? Correct
Answer: A national dairy farmer-funded program that is used to help stabilize milk prices
Which dairy product's minimum fat percentage is 80%? Correct Answer: butter
Which one of the following components of a corn plant is not digestible by the dairy cow?
Correct Answer: lignin
Which of the following is the name of the term for a farm's unique identification number that is
part of the National Animal Identification System? Correct Answer: premises ID
Which of these breeds is from the English Channel Islands and known for producing milk
highest in protein and fat? Correct Answer: Jersey
, Which compartment of the ruminant stomach functions in a similar manner as the human
stomach? Correct Answer: Abomasum
The Pasteurized Milk Ordinance is the rulebook for: Correct Answer: Producers who sell Grade
A milk
Which of the these breeds is known for producing golden-colored milk? Correct Answer:
Guernsey
Sexed semen is best used on virgin heifers. How many times should you breed them with it
before trying something else? Correct Answer: once
Milk used for butter production would be classified as what? Correct Answer: Class IV
What major category on the current PDCA Unified Dairy Scorecard contains breed
characteristics? Correct Answer: Frame
Phenotype is defined as the combined effects of genetics and what other component? Correct
Answer: environment
Injection site lesions and carcass bruises lower the value of cows at market and hurt cow prices.
Ideally, where should intramuscular injections be given to prevent lesions? Correct Answer: in
the neck or shoulder
Manure digesters produce what gas which can be converted into electricity? Correct Answer:
methane
How long after birth will calves absorb immunoglobins from colostrum? Correct Answer: 24
hours
What percent of US dairies have more than 500 cows? Correct Answer: 4.20%
Using a bull that has a good proof for productive life will probably not improve which of these
traits? Correct Answer: milk production
Ethanol fuel is produced from which of these crops? Correct Answer: corn
What is the most common bacterium causing chronic mastitis? Correct Answer: Staphylococcus
aureus
Cows excrete how many pounds of manure for every pound of milk produced? Correct Answer:
2
How many amino acids are considered to be essential in the dairy cow, and therefore are
required in the diet? Correct Answer: 10
