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2004 Ohio State Dairy Cattle Test
MultipleChoice
Identify the letter of the choice that best completes the statement or answers thequestion. (Questions referring to Herd Management Reports have been omitted).
A
B
C
D
E
1.
In Ohio, which of the followingbreeds has the lowest average milk yield?
a.
Ayrshire
c.
Guernsey
e.
Jersey
b.
Brown Swiss
d.
Holstein
A
B
C
D
E
2.
Which system of the cow’sbody is most affected by M. Paratuberculosis?
a.
Circulatory
c.
Reproductive
e.
Digestive
b.
Respiratory
d.
Endocrine
A
B
C
D
E
3.
When is a transition diet mostimportant to the health of the dairy cow?
a.
prior to dryoff
c.
at peak milk
e.
during mid lactation
b.
around calving time
d.
at breeding time
A
B
C
D
E
4.
When compared to pregnant cows,non-pregnant cows will generally have lower levels of
a.
oxytocin
c.
adrenalin
e.
prostaglandin
b.
estrogen
d.
progesterone
A
B
C
D
E
5.
The hormone which causes thecorpus luteum to regress is called
a.
adrenalin
c.
estrogen
e.
oxytocin
b.
progesterone
d.
prostaglandin
A
B
C
D
E
6.
At what age must a heifer bepregnant in order for her to calve at 22 months?
a.
10 months
b.
11 months
c.
12 months
d.
13 months
e.
14 months
A
B
C
D
E
7.
Which compartment of the dairycow’s stomach is known a the “paunch”?
a.
abomasum
c.
rumen
e.
duodenum
b.
reticulum
d.
omasum
A
B
C
D
E
8.
Which US dairy breed originatedin the northern part of the British Isles?
a.
Ayrshire
c.
Holstein
e.
Brown Swiss
b.
Guernsey
d.
Jersey
A
B
C
D
E
9.
The structure which suppliesthe greatest support of the dairy cow’s udder is the
a.
skin
d.
median suspensory ligament
b.
fore udderattachment
e.
lateral suspensory ligament
c.
rear udderattachment
A
B
C
D
E
10.
A glass of “whole”milk contains about how many calories?
a.
40
b.
80
c.
120
d.
160
e.
240
A
B
C
D
E
11.
When using Al, the usuallyrecommended site in the reproductive where semen should be deposited is the
a.
ovary
c.
body of the uterus
e.
vagina
b.
uterinehorn
d.
cervix
A
B
C
D
E
12.
Which of the following types ofbedding supports the least bacterial growth?
a.
sawdust
c.
compostedmanure
e.
shredded paper
b.
straw
d.
sand
A
B
C
D
E
13.
Which of the major breakdowncategories on the Dairy Cow Unified Scorecard has the greatest value?
a.
frame
c.
body capacity
e.
udder
b.
dairycharacter
d.
feet and legs
A
B
C
D
E
14.
What percent of offspring frommating a red-carrier Holstein to another red-carrier Holstein, would be expected to be black andwhite?
a.
0%
b.
25%
c.
50%
d.
75%
e.
100%
A
B
C
D
E
15.
In a dairy cattle judgingcontest, the official placing is 1-2-3-4 with cuts of 3-5-3. If a perfect score is 50, what would bethe score for a contestant who place the class 1-4-2-3?
a.
41
c.
45
d.
47
e.
none of these
b.
42
A
B
C
D
E
16.
What percent of feed refusal isrecommended to maximize feed intake in lactating cows?
a.
none
c.
15 to 20%
e.
85 to 90%
b.
5 to 10%
d.
25 to 30%
A
B
C
D
E
17.
When a dairy animal stands tobe mounted by another animal, it is a sign of:
a.
gestation
c.
puberty
e.
estrus
b.
lactation
d.
involution