#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