1997 State Dairy Quiz Bowl

Senior Division Set 2

Below you will find a set of the Senior Division Set 2 Dairy Quiz Bowl questions used in the 1997 State Dairy Quiz Bowl Contest.  These questions are to assist in your preparation for the upcoming district and state contests. THEY ARE NOT THE QUESTIONS FOR THE 1998 CONTEST.

TRUE OR FALSE

 1.  T or F     An exhibitor who uses his feet to place the rear feet of his calf is usually doing a
                     good job of showing.

FALSE

 2.  T or F      Cows must be fed silage or their milk production will be lower.
 

FALSE

 3.  T or F     As people get older, they tend to drink more milk.

FALSE

 4.  T or F     The gene for polledness is dominant.

TRUE

 5.  T or F     When removing a milking machine from the udder it is not important how the
                      machine is removed.

FALSE

 6.  T or F      The milk to rest ratio refers to the proportion of time the inflation is in the open
                      position allowing milk to flow versus the closed position in which teat massage
                      occurs.  It should run about  60:40.

TRUE

 7.  T or F     Cows are faulted in the show ring when their udders hang below their hock.

TRUE

 8.  T or F     Alfalfa may be fed to dairy cattle in the form of dried pellets.

TRUE

9.  T or F     Iredell is the top milk producing county in N.C.

   TRUE

10. T or F   Rumensin or Bovatec are feed additives which  increase heifer growth rate.

TRUE

 1.  Ovulation is the process of:
 

a) release of an egg from a follicle
b) milk ejection from an alveolus
c) delivering a calf from the uterus
 2. What is the minimum amount of calf starter grain mix that a calf should be eating each day
      before it is weaned:
 
a) 4.5 lbs.
b) 2.5 lbs.
c) 1.5 lbs.
 3.  Which of the following produces the most energy per acre per year:
 
a) pasture
b) alfalfa
c) soybeans
d) corn silage
4.  Which of the following is not a Class I dairy product:
 
a) whole milk
b) skim milk
c) cream
d) chocolate milk
e) or none of the above
5.  Lactose is a:
 
a) protein
b) sugar
c) fat
d) mineral
6. Which of the following causes ringworm in calves:
 
a) lice
b) fungus
c) bacteria
 7.  Which of the following is the most economically important form of mastitis:
 
a) acute
b) chronic
c) clinical
d) subclinical
e) none of the above
8.  Ovulation occurs about _____ hours before the onset of estrus:
 
a) 24 to 30 hours
b) 12 to 18 hours
c) 0 to 6 hours
d) 48 to 60 hours
9.  The primary source of protein for dairy rations in North Carolina is:
 
a) corn grain
b) soybean meal
c) canola meal
10. Dystocia means the cow:
 
a) refuses to eat
b) is lame
c) is blind
d) has calving difficulty
e) or none of the above

1. In dairy cattle judging, what are you referring to when you say that this part has a higher and
    wider attachment?
 

a) fore udder
b) rear udder
c) tail head
2. A good calf starter will usually contain at least what level of crude protein:
 
a) 10%
b) 18%
c) 26%
3.  Which of the following is not true concerning silage which was cut too dry and not packed
       well:
 
a) caramelized odor
b) brown color
c) increased protein digestibility
d) or decreased energy digestibility
4. What is the name of the disease that often occurs when cows gain too much weight during late
     lactation or during the dry period?
 
a) fat cow syndrome
b) brucellosis
c) displaced abomasum
 5.  Which of the following ingredient would you expect to find in a milk replacer:
 
a) urea
b) citrus pulp
c) dried whey
d) or none of the above
6. Coliform bacteria are often a cause of which of the following  diseases:
 
a) ringworm
b) scours
c) pneumonia
7. The lactose percentage of first milking colostrum is approximately
 
a) 1/2 times normal milk
b) 3 times normal milk
c) 5 times normal milk
8.  What hormone is measured in milk to determine if a cow is pregnant:
 
a) estrogen
b) oxytocin
c) progesterone
d) prostaglandin
9.  Feed fiber is digested by microorganisms in this part of the cows stomach:
 
a) abomasum
b) omasum
c) rumen
10. Teat dipping is used to prevent.
 
a) metritis
b) mastitis
c) laminitis


1. What disease is likely to develop if calves are raised in a drafty environment?

2. The chemicals pentachlorophenol (penta), chromated copper arsenate (CCA) and creosote
    are used for what purpose? 3. Name 2 of the four stages in the life cycle of the house fly. 4. Compute the score using a 50 point maximum: official placing 1-2-3-4, cuts 4-4-4, placing
     1-3-2-4. 5.  What do high numbers of somatic cells in milk generally indicate? 6.  A well grown Holstein heifer should be bred to calve at what age? 7. The European Economic Community (Common Market) is the world's leading exporter of
    dairy products.  Where does the United States rank? 8.  Name two (2) ways of harvesting and feeding forage. 9.  What is the measurement of how much of a cow's superiority will be transmitted to her
      offspring? 10.  What is the name of the feed additive commonly added to dairy rations that buffers the
        rumen and helps maintain milk fat test?

 1.  What is the name of the absorptive tissue that lines the small intestine?

 2.  Which pituitary hormone is critical in the initiation and maintenance of lactation?  3. How many dairy farms are represented each year in the Hoard's Dairyman judging contest?  4. What vitamin is necessary to prevent calves from developing rickets?  5.  What is the term used to describe a group of dairy producers who join together to market
      their milk?  6. Which breed on the average, produces the most milk?  7.  Give another name for a condition commonly called founder.  8.  After water, what is the next largest single component in whole milk?  9.  What is cystitis? 10.  It is best to avoid feeding onions to dairy cattle because they can  cause ______. 11. What is the primary cause of high bacteria counts in milk? 12.  A yellowish haze is seen on the ground just below your trench silo.  What is causing this
       haze? 13.  One of your recently fresh cows is ill.  She has been receiving a high grain, low roughage
        diet.  The consistency of the small amount of manure she produces is "putty-like".  Your
        veterinarian detects a "pinging" sound when using his stethoscope.  What is the diagnosis? 14.  When is the proper time to condition a dairy cow for the next lactation? 15.  What is the name of the cotton by-product that is low in protein and high in fiber that is often
        fed to dairy cattle to replace forage?
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Last modified May 2000
Department of Animal Science, NCSU