WorksheetsDairy Animals
Total questions: 39
Worksheet time: 20mins
On average dairy cattle produce ___ gallons of milk a day.
8.4
7.4
10.4
9.4
The number of dairy cattle operations has ____ in the last 20 years.
Drastically increased
Increased a little
Decreased a little
Drastically decreased
The amount of milk produced per cow has ____ over the past 20 years.
Drastically increased
Increased a little
Decreased a little
Drastically decreased
What is the term for a baby?
Bull
Cow
Calf
Steer
What is the act of birth called in cattle?
Calving
AI
Weaning
Gestation
A heifer becomes a cow when ________.
She turns 1
She has a calf
When she is 5
When she is bred
Most breeding of dairy cattle is done by _____.
Bulls
Artificial Insemination
Embryo Transfer
Steers
Holstein cattle are preferred for their _______.
High volume of milk
High fat in milk
High protein in milk
Low lactose in milk
Jersey cattle are preferred for their _______.
High volume of milk
High fat in milk
High protein in milk
Low lactose in milk
Cow(')s ______ when they have been treated with antibiotics.
do not produce milk
produce more milk
milk is not used
milk increases in value
Gestation lasts ____ months in cattle.
5
9
11
12
One reason that calves are removed from their mother is ____________.
calves drink too much milk
cows do not produce enough milk
dairy cows are poor mothers
so cows can be put in warm areas
Cattle have their first calf when they are _____ years old.
1
2
3
4
Cattle are bred for the 1st time when they are _____ months old.
9-10
10-11
14-15
20-21
Cows are milked for an average of _____ days out of the year.
290
305
335
365
The dry period of normally lasts _____ days.
15
30
60
80
The dry period ends when ____________.
the calf is weaned
insemination happens
gestation begins
the cow gives birth
What is the most expensive disease in the dairy industry?
Mastitis
Mad cow disease
Pneumonia
Flu
High somatic cells =
white blood cells
a healthy udder
good milk quality
Mastitis can be characterized as
limping when walking
high fat milk
lumps or blood in the milk
high protein milk
Alveoli
Produce milk
Store milk
Carry milk
Filter mik
Prolactin
Causes the cow to begin making milk
Is lowest at parturition
Is highest at the end of lactation
Decreases milk production
Oxytocin
Decreases milk production
Causes cow to produce milk
Stops milk production
Causes cow to release milk
Epinephrine
Decreases milk production
Causes cow to produce milk
Stops milk let down
Starts milk let down
A cluster of alveoli is called a ________
Sphincter
Gland cistern
Alveolar
Lobule
The gland cistern
produces milk
stores milk
releases milk
where milk comes out
Prevents milk from leaking
gland cistern
teat cavity
sphincter muscle
alveoli
_______ milk is comparable to cow milk.
Goat
Sheep
Camel
Donkey
_____ milk has twice as much fat as cow's milk.
Goat
Sheep
Camel
Donkey
Parturition =
Birth
Breeding
Gestation
Dry
Colostrum is given to
Humans
New calves
Calves at weaning
Cows
Calves are weaned at ___ months of age
2
3
4
6
The leading cause of culling is
old cows
mastitis
open cows
pneumonia
To maintain milk production cows must
go through a dry period
go through gestation
give birth
all of the above
_____ pounds of blood are circulated through the udder for every pound of milk produced
300-500
100-200
5-10
50-60
A group of alveoli is called a
Lumen
Lobule
Cistern
Sphincter
If a cow is frightened during milking
Epinephrine is released
Milk let down is halted
Can be prevented
All of the above
Teats are dipped in disinfection after milking
to start feeding
to stop milking
to make them cold
to prevent infection
Milk is _____ right away to prevent souring.
cooled
heated
strained
