Exam #1 Flashcards
(83 cards)
The feeding and production of livestock has changed dramatically over the centuries, especially during the past few decades.
true
Throughout the centuries, the portion of people involved in food production has steadily increased.
false
The world’s population has shifted from nomadic, to agrarian, to primarily urban.
true
The nutrient requirements of various livestock species, continues to change as genetic advance are made.
true
The amount of feed required to put on a pound of gain on poultry has increased over the last 50 years.
false
Milk production in the U.S. has drastically dropped since 1976.
false
CP in animal nutrition stands for Common Practice.
false
The nutrient content of feed stuffs is changing along with production practices and genetic changes in crops.
true
Understanding how to use agriculture by-products effectively in feeding livestock is becoming more critical.
true
The amount of land used for agriculture production is not increasing and in some areas of the world is declining.
true
As the population and standard of living continue to increase throughout the world, the demand for animal products has continued to:
increase.
decrease.
remained the same.
increase
Currently ______________ % of the population is involved in producing food.
Less than 1%
10%
25 - 30%
56%
a. less than 1%
The fundamental principles relating to the economical feeding of livestock was outlined in 1878 by:
Richard Kellems
D.C. Church
W.O. Atwater
George Grant
c. W.O Atwater
Coarse Grain production in the world from 1966 to 2008:
Increased slightly
Decreased slightly
Dropped significantly due to urban sprawl
Doubled in production
d. doubled in production
In 1965 a milk cow produced 8,522 lbs. of milk per year. In 2008 a dairy cow would produce _____________ lbs. per year.
10,354
13,031
16,405
20,416
d. 20,416
Feed consumption of farm animals is affected by?
environmental temperature
humidity
stress
all of the above
d.
An example of a processing practice for feed is:
pelleting
grinding
chopping
A & B
All of the above
e.
Feed is the major cost associated with the production of all livestock and often accounts for between ____________ of the total cost.
25 - 30%
50 - 75%
65 - 85%
10 - 20%
90 - 95%
b.
A feedstuff used in a relatively small amount for a specific reason or to make up for inadequacies associated with other ingredients that are being used are called:
Protein Source
By-Products
Supplemental Feedstuffs
Grains
c.
If a hog producers corn is low on Lysine:
that would be a good thing as it is toxic.
the hogs will have more backfat at harvest.
the producer should add alfalfa to the ration.
the producer should add Soybean meal.
the producer should add Cottonseed meal.
d.
Not e!
What is the cecum?
A blind sack
A site of microbial digestion
A thin-walled structure
All of the above
d.
Which of the following terms refers to the rear of an animal?
Anterior
Posterior
Dorsal
Ventral
b.
What is the chicken’s true stomach?
Gizzard
Proventriculus
Crop
Cloaca
b.
Anterior refers to what part of an animals body?
Rear
Belly
Head
Back
c.