Dairy Cattle CDE Questions and Answers 2024
Approximately how many gallons of blood pass through the udder for each gallon of milk produced?
400-500 gallons
What percentage of whole milk is fat when compared on a dry matter basis?
About 25 percent
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Dairy Cattle CDE Questions and
Answers 2024
Approximately how many gallons of blood pass through the udder for each gallon of
milk produced? - answer 400-500 gallons
What percentage of whole milk is fat when compared on a dry matter basis? - answer
About 25 percent
All milking equipment must be sanitized: - answer After each use
When doing classification scoring, when a cow is given the numerical value of 85-89.9
is classified as: - answer very good
A babcock test may be used to measure the ______________ % of milk. - answer
fat
The breed of dairy cow generally credited with producing the highest % of both milk fat
and protein is the : - answer Jersey
Blood vessels that transport blood away from the heart are called - answer arteries
What manure waste management method runs manure across a press and squeezes
the water out? - answer Solids removal
The portion of the ruminant digestive system witch consists of many folds of tissue is
the: - answer Omasum
Milking time is best reduced by: - answer preparing the cows properly
Many dairies place bands on the cows necks of feet, with black boxes containing
electronic ID, production and management information. These units are called: - answer
Transponders
The rumen of the cow is located: - answer on the left side of the body
Endocrinology is the science dealing with __________. - answer Hormones
Rotary Parlors or Carousel milk barns have the advantage of being
_________________ when compared to other barns. - answer faster
Which dairy breed has a restriction of disallowing black markings? - answer milking
shorthorn
,a bovine female which has not had calf is a: - answer heifer
At how many days can pregnancy be detected by palpation? - answer Between 14
and 35 days
What is another another term for the lowest lateral regions of the abdomen, near the
groin? - answer Inguinal
What are structural carbohydrates made of? - answer cellulose, hemicellulose, lignin
What is NAFTA? - answer North American Free Trade Agreement
Dry cows need 0.8 percent K in their diet. What element is K? - answer Potassium
What is the reasonable score for body condition mid-lactation? - answer 3
Where are structural carbohydrates found in the plants? - answer In the cell wall
The hormone BST is given to dairy cows: - answer After 200 days of lactation
Milk with over _______ somatic cell count cannot legally be shipped in the United
States? - answer 400,000
A mutation where a calf is born with a single toe on one or more feet is called? - answer
mule-foot
When discussing feed mixers, what is the range of manufacturers recommended mixing
times? - answer 3-6 minutes
One form of biological pest management is a predator insect, that can be bought and
released to help control flies at a dairy. Which of these is NOT true about these
predators? - answer They may be bothersome to livestock or other animals
Which body part is located more towards the fount of the animal? - answer Flank
What does GnRH stand for? - answer gonadotropin releasing hormone
What is Milk Fever paresis caused by? - answer Low blood levels of ionized calcium
When evaluating dairy rations what do the letter NE stand for? - answer Net Energy
What is a cation - answer A positively charged ion
Neospora caninum is a major cause of what in pregnant cows? - answer abortion
, The typical lactation curve shows a dairy cow reaching her peak production about
____________ days into the lactation cycle. - answer 50-70 days
What percent of the cows feed intake is consumed in the daylight hours? - answer
70 percent
The letter FSIS stand for? - answer Food Safety Inspection Service
Many dairymen "dock"the tail on their cows much to the chagrin of Animal Rights
groups. They believe this is necessary to: - answer Reduce the incidence of mastitis
PTAT stands for what? - answer Predicted transmitting ability-type
Jersery cattle are characterized by having a ____________________ face. - answer
Dished
Dairy rations, especially those in high producing cows, may be buffered to maintain a
desirable ruman pH. The most common buffering agent is: - answer Sodium
bicarbonate
Name three places where coliforms are found. - answer Water, mud, manure
High potassium intake will decrees a cows ability to mobilize what? - answer Bone
Calcium
When referring to vaccinations, what do the letters MLV stand for? - answer Modified
live virus
What dose NFO stand for? - answer National Farmer Organization
As a rule of thumb, when milk production _______________, the milk fat content
_______________. - answer decreases, increases
What trait with the only positive genetic correlation to milk production. - answer Dairy
Character
What year did the Holstein Association start its program of recording carriers of
understandable recessive traits. - answer 1957
The standard length of a dry period of dairy cattle is _______________? - answer 60
days
When discussing lactation records, what dose the term "fat corrected milk" mean? -
answer Lactation records have been adjusted to the same milk fat percentage
This vitamin plays a role in the coagulation of blood. - answer Vitamin K
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