#201-250 Flashcards
What is the average production lifetime of a dairy cow?
3 years
An average Holstein cow should give_____pounds per day for each lactation.
50
A cow’s gestation period is_____long?
282 days
HTST is a________
Pasteurizing system
What combines the Predicted Transmitting Ability for protein,fat,type and udder composite index and ranks the animal on its ability to transmit a balance of these four traits.
Total Production Index
Jersey cattle are characterized by having a ______face:
Dished face
Milk sugars are not very soluble. Some people have difficulty hydrolyzing them in their bodies. This problem is called________.
Lactose intolerance
Fermented forage plants relates to:
Silage
What does the acronym IPM stands for?
Integrated pest management
In the standard protocol for cleaning milk equipment, which of the following is not one of the four phases of cleaning.
Back flushing
Feeding proper rations during the summer is important for both cow comfort and maintaining milk production. Which nutrient is most during the summer months.
Water
What percent of lactating dairy cows have oxytocin in their bloodstreams during milking.
100%
The medical name tarsal hygroma, a common aliment of dairy cows is commonly called:
Swollen hock
This bacteria causes “Circling Disease” in cattle:
Listeria
Fumonsin and zearalenone are examples of:
Mycotoxins
Which of the following is a compartment of the dairy cows stomach?
Abomasum
When using sexed semen, conception rates are_______ percent of the conception rates achieved when using unsexed semen under the same conditions?
50-80%
According to recent USDA surveys, what is the most popular age to wear dairy calves?
9 weeks
In the reproductive tract of a dairy cow, how many uterine horns are there?
Two
The number one reason for culling in U.S. dairy herds is:
Reproductive failure
Which of the following is not a commonly used estrus synchronization program for dairy cattle?
Post-synch
In which breed of cow is the incidence of milk fever most common?
Jersey
Milk with over_______ somatic cell count cannot legally be shipped in the United States?
750,000
The vitamin plays a role in the coagulation of blood:
Vitamin K
Manure digesters convert_______ fuel into electricity.
Methane
What is a common name for infectious kerato conjunctivitis?
Pink eye
Which one of the following is not classified as a fat-soluble vitamin?
Vitamin B
Which compartment of a dairy cow’s stomach is located closest to the heart and it is a spot where hardware disease occurs?
Reticulum
Which purebred dairy breed association introduced a “dairy price stabilization” program in 2009?
Holstein
In a sire’s proof, daughters’ calving measures_______.
The influence of the sire of the cow on calving ease.
To maintain margins, you should be monitoring and making decisions based on your herd’s IOFC. What do the initials IOFC stands for?
Income over feed costs
Which of the following diseases in not causes by a virus?
Laminitis
How many chromosomes does the nucleus of each reproductive cell have in dairy cattle?
30
If a dairy bull has been genetically tested to deter mine his genomic make-up, this will be indicated on his pedigree by what letters?
GTPI
The most costly form of mastitis is?
Subclinical
Which of the following is the most popular type of cheese in the United States?
Cheddar
“Thurl position” is a trait evaluated in the_______ category on the PDCA Unified Scorecard?
Rear feet and legs.
The only aspect of milk quality that can be completely controlled on the farm is______.
Drug residue
The Global Dairy Agenda for Action is a pledge to reduce______ emissions in an attempt to address global warming?
Carbon
Dairy Management Inc. introduced the______ social media program for dairy advocates?
myDairy
Milk that is low in SCC has more casein, which is a primary Component in________?
Cheese
Which hormone produced by the uterus caused regression of the corpus luteum?
PGF
When a cow comes into heat every few days, she is referred to as?
Cystic
Fats are broken down by a dairy cow in what part of her body?
Small intestine
Which dairy breed originated in the central part of the European Continent?
Brown Swiss
Which system of the cow’s body is most affected by partatuberculosis?
Digestive
What is the sex chromosome configuration of a male calf?
XY
On the PDCA Unified Dairy Score Card, the category “dairy strength” accounts for how many points?
25
On the PDCA Unified Dairy Score Card, the category “feet and legs” accounts for how many points?
20
Which one of the following is the largest dairy milk marketing cooperative in U.S.?
Dairy Farmers of America
