2017 Intermediate Written Exam Questions Flashcards
What is given to a cow to help prevent hardware disease?
magnet
How many pairs of chromosomes do dairy cattle have?
30 pairs
Which cheese was formally accepted in 2002 as a Greek only cheese?
Feta
What is the primary acid found in the abomasum?
hydrochloric HCl
Dairy farmers strive to make forages at the optimum time to maximize milk production by minimizing what in the forage?
lignin
What is the victory drink of the Indianapolis 500 each year?
milk
Cows are most likely to express estrus or heat when housed on what type of surface?
dirt/earth
Which parent determines the sex of the offspring?
sire
Which breed of dairy cattle originated in Switzerland?
Brown Swiss
What substance has a pH below 7?
acid
What month is National Dairy month?
June
Butter belongs to what milk class?
Class 4
Is the corn plant an annual or perennial?
annual
What hormone is responsible for maintaining pregnancy?
progesterone
What does CP stand for in reference to dairy nutrition?
crude protein
What is the name for the material left after water is removed from feed?
dry matter
Milk provides what two minerals in approximately the same ratio as found in bone?
calcium and phosphorus
What breed of dairy cattle produces milk with the highest fat and protein content?
Jersey
What mineral is needed by the dairy cow in the largest quantity?
potassium
What percentage of cows will come into heat while pregnant?
3-5%
What is the normal body temperature for a cow?
101.5ºF
What type of milk contains 80 cal per cup?
fat free milk
What is the most costly disease in dairy cattle?
mastitis
The three largest co-ops, in which state, have submitted a proposal to create a Federal Milk Marketing Order that would replace its existing state border?
California
The genetic disorder known as limber leg and RVC affects which breed of dairy cattle?
Jersey
Where does fertilization take place?
oviduct
In the high temperature, short time method of pasteurization, milk must be heated to 161°F for how long?
15 seconds
There are two main functions of the large intestine, name one of them.
storage of waste materials, water absorption
The chine and loin make up what part of the dairy cow?
back
What is the primary protein found in milk?
casein
What do the initials AI stand for when discussing dairy cattle breeding?
artificial insemination
When a cow battles a mastitis infection, toxins can destroy the milk-producing mammary epithelial tissue. What replaces this damaged tissue?
fibrous scar tiesue
There are two main reasons to add molasses to a dairy ration. Name one.
reduce dustiness, improve palatability
One stick of butter equals how many tablespoons?
8 Tablespoons
Pinkeye is most prevalent during what season?
summer
During hot weather, a cow’s body temperature often peaks at what time of day?
midnight
What nutrient makes up the largest part of milk?
water
A dairy product that contains not less than 36% milk that must be labeled as what?
heavy whipping cream
What does the acronym NAAB stand for?
National Association of Animal Breeders
What are the building blocks of fats and lipids?
fatty acids
What parasite is associated with grubs or warbles in dairy cattle?
heel fly
Carbon dioxide and methane are gases produced in which stomach compartment?
rumen
Improved flavor, long shelf life, and increased cheese yield are advantages of high quality milk from whose standpoint?
a milk processor’s point of view
In dairy cattle genetics, the genetic make-up of an animal is known as what?
genotype
Milk temperature should be kept under what temperature to maintain the best quality?
40ºF
In what year was the PDCA Showmanship Evaluation card last updated?
2011
What hormone causes milk let down?
oxytocin
Which beverage milk must be fortified with Vitamin A to be nutritionally similar to whole milk?
2%, 1% and fat free (all but whole milk)
What is the percentage of digestibility of milk?
96-98%
What is the primary process that takes place in the rumen?
fermentation