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ADSC Final
Final Exam
201
Agriculture
Undergraduate 2
12/03/2016

Additional Agriculture Flashcards

 


 

Cards

Term
Goal of Animal Science
Definition
to profitably satisfy the needs of humans for food, clothing, emotional well-being, shelter, fuel, etc.
Term
The biological study of livestock includes
Definition
nutrion and metabolism, genetics and selection, reproduction and physiology, growth and development, production and management, and the end product
Term
Cattle (bovine) classification
Definition
animalia, chordata, mammalia, atrodactyla, bovidae, bos, taurus/indicus
Term
Sheep (ovine) classification
Definition
animalia, chordata, mammalia, atrodactyla, bovidae, ovis, aries
Term
Swine (porcine) classification
Definition
animalia, chordata, mammalia, artrodactyla, suidae, sus, scrofa domesticus
Term
Horse (equine) classification
Definition
animalia, chordata, mammalia, perissodactyla, equidae, equus, caballus
Term
chicken classification
Definition
animalia, chordata, aves, galliformes, phasinanidae, gallus, domesticus
Term
Goat classification
Definition
animalia, chordata, mammalia, atrodactyla, bovidae, capra, hiries
Term
What is a young, intact male cow called?
Definition
bull calf
Term
What is a young, castrated male cow called?
Definition
steer
Term
When does a bull calf become a bull?
Definition
between 1-2 years
Term
What is a mature, intact male cow called?
Definition
bull
Term
What is a mature, castrated male cow called?
Definition
stag if it is castrated as an adult
steer if it was castrated young
Term
What is a young, intact male pig called?
Definition
boar pig
Term
What is a young, castrated male pig called?
Definition
barrow
Term
When does a boar pig become a boar?
Definition
6-9 months
Term
What is a mature, intact male pig called?
Definition
boar
Term
What is a young, castrated male pig called?
Definition
stag if it is castrated as an adult
barrow if castrated young
Term
What is a young, intact male sheep called?
Definition
ram lamb
Term
What is a young, castrated male sheep called?
Definition
wether
Term
What is a mature, intact male sheep called?
Definition
ram or buck
Term
What is a mature, castrated male sheep called?
Definition
stag if castrated as an adult
wether if castrated young
Term
When does a ram lamb become a ram?
Definition
9 months- 1 year
Term
What is a young, intact male horse called?
Definition
colt
Term
What is a young, castrated male horse called?
Definition
gelding
Term
What is a mature, intact male horse called?
Definition
stallion or stud
Term
What is a mature, castrated male horse called?
Definition
gelding
Term
When does a colt become a stallion?
Definition
around 3 years
Term
What is a young, intact male goat called?
Definition
buck
Term
What is a young, castrated male goat called?
Definition
wether
Term
What is a mature, intact male goat called?
Definition
buck
Term
What is a mature, castrated male goat called?
Definition
wether
Term
When does a young buck mature?
Definition
around 1 year
Term
What is a young, intact male chicken called?
Definition
chick
Term
What is a young, castrated male chicken called?
Definition
capon
Term
What is a mature, intact male chicken called?
Definition
rooster
Term
When does a chick become a rooster?
Definition
Around 4 months
Term
What is a young, female cow called?
Definition
heifer
Term
What is a mature, female cow called?
Definition
cow
Term
What is a cow's meat product?
Definition
young cow- veal
mature cow- beef
Term
What is a young, female pig called?
Definition
gilt
Term
When does a heifer become a cow?
Definition
when she calves which is usually when she's 2 or 3
Term
What is a mature, female pig called?
Definition
Sow
Term
What is the pig meat product?
Definition
Pork
Term
What is a young, female sheep called?
Definition
Ewe lamb
Term
What is a mature, female sheep called?
Definition
Ewe
Term
When does a ewe lamb become a ewe?
Definition
When she lambs around 2 years old
Term
What is the sheep meat product?
Definition
Young-lamb
Mature- mutton
Term
What is a young, female horse called?
Definition
Filly
Term
What is a mature, female horse called?
Definition
Mare
Term
When does a filly become a mare?
Definition
Around 3 years
Term
What is the horse meat product?
Definition
Horse meat
Term
What is a young, female goat called?
Definition
Doe
Term
What is a mature, female goat called?
Definition
Doe
Term
When does a young doe mature?
Definition
Around 2 years
Term
What is a goat's meat product?
Definition
Young-kid
Mature-goat
Term
What is a young, female chicken called?
Definition
A chick or Pullet
Term
What is a mature, female chicken called?
Definition
Hen
Term
When does a chick or pullet mature?
Definition
Around 16 weeks
Term
What is the difference between a chick and a pullet?
Definition
A chick is a female for meat
a pullet is a female for laying eggs
Term
What is the chicken meat product?
Definition
Chicken
Term
What are some human uses of animals and animal products?
Definition
Food, Clothing, By-products, Pleasure, Power, Manure, Research Models
Term
What are some examples of human uses of animals for food?
Definition
carcass meat and organ meat
the value of an animal is greatly impacted by its organs
the US typically exports organs or uses them for other animal foods
Term
What are some examples of human uses of animals for clothing?
Definition
hides, leather, wool
Term
What are some examples of human uses of animals for by-products?
Definition
pharmaceuticals (insulin, hormones, enzymes, collagen), animal feeds, fat
Term
What are some examples of human uses of animals for pleasure
Definition
PETS!
dogs-59 million in the US
cats- 75 million in the US
horses- 9 million in the US
Term
What are some examples of human uses of animals for manure?
Definition
fertilizer-chicken litter
energy-methane digesters from pigs
buildings
Term
What are some examples of human uses of animals for research models?
Definition
Pigs
there are over 200 models of human diseases seen in animals
Term
World population of chickens
Definition
20.7 billion head worldwide
Term
#1 consumer of chicken
Definition
Hong Kong at 67.2 pounds per capita
Term
#1 producer of chickens
Definition
China
5.2 billion chickens
11.6 million pounds of chicken product
Term
#2 producer of chickens
Definition
US
2.1 billion chickens
17.1 million pounds of chicken product
Term
Why does the US have fewer chickens than China, yet produce more product?
Definition
We have better technology and nutrition
The founding fathers developed ways to invest into food research and education
Term
#3 producer of chickens
Definition
Indonesia
1.4 billion chickens
1.6 million pounds of chicken product
Term
#4 producer of chickens
Definition
India
.9 billion chickens
2.2 million pounds of chicken product
Term
World population of cattle
Definition
1.4 billion head worldwide
Term
#1 consumer of cattle
Definition
Argentina and Uruguay compete for #1 with around 61kg per capita
Term
#1 producer of cattle
Definition
Brazil
213 million head
9 million pounds of beef product
Term
#2 producer of cattle
Definition
India
211 million head
1.1 million pounds of beef product
Term
#3 producer of cattle
Definition
US
93 million head
12 million pounds of beef product
Term
#4 producer of cattle
Definition
China
83 million head
6 million pounds of beef product
Term
#5 producer of cattle
Definition
Argentina
48 million head
2.4 million pounds of beef product
Term
World population of sheep
Definition
1.1 billion head worldwide
Term
#1 consumer of sheep (lamb)
Definition
Australia
Term
#1 producer of sheep
Definition
China
139 million head
2.1 million pounds of sheep product
Term
#2 producer of sheep
Definition
India
74 million head
293k pounds of sheep product
Term
#3 producer of sheep
Definition
Australia
73 million head
.5 million pounds of sheep product
Term
#4 producer of sheep
Definition
Iran
49 million head
92000 pounds of sheep product
Term
#5 producer of sheep
Definition
Sudan
39 million head
183000 pounds of sheep product
Term
Wold population of swine
Definition
967 million head worldwide
Term
Top consumers of pork
Definition
#1 Denmark
#17 US
Term
#1 producer of pork
Definition
China
465 million head
50.5 million pounds of product
Term
#2 producer of pork
Definition
US
66 million head
10.3 million pounds of product
Term
#3 producer of pork
Definition
Brazil
39 million head
3.4 million pounds of product
Term
#4 producer of pork
Definition
Vietnam
27 million head
3.1 million pounds of product
Term
#5 producer of pork
Definition
Germany
26.8 million head
5.6 million pounds of product
Term
World population of dairy cattle
Definition
265 million head worldwide
Term
#1 consumer of dairy
Definition
Finland
Term
#1 producer of dairy cattle
Definition
India
44 million head
57 million pounds of product
Term
#2 producer of dairy cattle
Definition
Brazil
23 million head
32 million pounds of product
Term
#3 producer of dairy cattle
Definition
China
12.2 million head
37 million pounds of product
Term
#4 producer of dairy cattle
Definition
US
9 million head
89 million pounds of product
Term
#5 producer of dairy cattle
Definition
Russia
9 million head
31 million pounds of product
Term
World population of horses
Definition
58.4 million head worldwide
Term
#1 consumer of horse meat
Definition
Italy
Term
#1 producer of horses
Definition
US (mainly for pleasure)
10.2 million head
28k pounds of product
Term
#2 producer of horses
Definition
China
6.8 million head
161k pounds of product
Term
#3 producer of horses
Definition
Mexico (mainly for work)
6.4 million head
83k pounds of product
Term
#4 producer of horses
Definition
Brazil (mainly for work)
5.5 million head
22k pounds of product
Term
#5 producer of horses
Definition
Argentina (mainly for work)
3.6 million head
26k pounds of product
Term
The world gets ____% of its calories and ______% of its protein from cereal grains
Definition
50, 45
Term
The world gets _______% of its calories and _____% of its protein from animal products
Definition
16, 37
Term
Why does meat have a high "biological value"?
Definition
because it has all humans' essential amino acids in the correct proportions
Term
Animal products are the only nature source of vitamin ______
Definition
B12
Term
Undernourishment
Definition
not nourished
Term
Malnourishment
Definition
lack of quality nutrtion
Term
Developed countries _______ their food requirements
Definition
exceed
Term
Major difference in "developed" and "developing" countries
Definition
money and mechanization
Term
about ____% of the world's tractors are in the US
Definition
20
Term
In 2005, ___% of the US population fed _____% of the country
Definition
2, 98
One farmer fed 94 US and 34 World citizens
Term
Reasons for inadequate food supplies in developing countries
Definition
lack of knowledge, population concentration, lack of wealth, governmental policies, environmental challenges, religious or social taboo
Term
Top US states for beef cow inventory
Definition
#1 Texas
#2 Nebraska
#3 Missouri
#4 Oklahoma
#5 South Dakota
#6 Montana
#7 Kansas
#8 Kentucky
#9 Tennessee
#10 Iowa
#21 GA
Term
Top US states for cattle-on-feed inventory
Definition
#1 Texas
#2 Nebraska
#3 Kansas
#4 Iowa
#5 Colorado
#6 California
#7 Oklahoma
#8 Minnesota
#9 South Dakota
#10 Arizona
#11 Idaho
Term
Top US states for dairy cattle inventory
Definition
#1 California
#2 Wisconsin
#3 New York
#4 Pennsylvania
#5 Idaho
#6 Minnesota
#7 Texas
#8 New Mexico
#9 Michigan
#10 Ohio
#25 GA
Term
Top US states for hogs and pigs inventory
Definition
#1 Iowa
#2 North Carolina
#3 Minnesota
#4 Illinois
#5 Indiana
#6 Nebraska
#7 Missouri
#8 Oklahoma
#9 Kansas
#10 Ohio
Term
Why is North Carolina #2 in pig production?
Definition
Smithfield foods, they were rising to #1, but a hurricane put them back
Term
Top US states for breeding sheep
Definition
#1 Texas
#2 Wyoming
#3 California
#4 South Dakota
#5 Utah
#6 Montana
#7 Idaho
#8 Colorado
#9 Iowa
#10 Oregon
Term
Types of sheep production and divider
Definition
East farm flock production (mainly meat)
western range flock (mainly wool females mated to meat rams)
divided by Mississippi River
Term
Top US states for broiler inventory
Definition
#1 GA
#2 Arkansas
#3 Alabama
#4 Mississippi
#5 North Carolina
Term
What are the collection of top states for broilers called?
Definition
the broiler belt
Term
Top US states for horse inventory
Definition
#1 Texas
#2 California
#3 Florida
#4 Oklahoma
#5 Kentucky
Term
British bos taurus breeds
Definition
defined by moderation in size and having good meat quality
Angus
Hereford
Shorthorn
Term
Exotic/Continental bos taurus breeds
Definition
Multi taskers..used for meat, mik and work
Defined by massive size and tall height
Simmental
Charolais
Limousin
Gelbvieh
Maine Anjou
Limflex (limousin & angus cross)
Term
Zebu Bos indicus breeds
Definition
typically have resistance to diseases and insects
Brahman
Nellore
Gir
Indu-Brazil
Term
American (composite) breeds
Definition
mix between indicus and taurus
beefmaster
brangus
braford
simbrah
Term
Composition of american breeds
Definition
3/8 brahman, 5/8 something else EXCEPT
beefmaster who is 1/2 brahman, 1/4 hereford, 1/4 shorthorn
Term
Angus origin & description
Definition
Scotland
black or red (separate breeds)
polled
moderate mature size, but has lots of variation in the breed
Term
Angus strengths
Definition
maternal traits (good mothers)
fertility and calving ease
meat quality (marbling)
Term
Angus weaknesses
Definition
not as big as other breeds
heat tolerance
carcass cutability
Term
When was Angus introduced to the US?
Definition
late 1800s
black angus rank #1 in registrations
red angus rank #6 in registrations
Term
Hereford origin and description
Definition
England
Red body white face
can be horned or polled
moderate size
#2 registered breed
Term
Hereford strengths
Definition
Hardy (good in ranges and cold weather)
good productivity
good temperament
Term
Hereford weaknesses
Definition
low milk production
slow to grow
susceptible to eye cancer
Term
Shorthorn origin and description
Definition
England
Red, white & roan
Horned & polled
moderate to large
#10 registered breed
Term
Shorthorn strengths
Definition
milk production
mothering ability
temperament
carcass quality
Term
Shorthorn weaknesses
Definition
cutability
heat tolerance
lack of muscling
Term
Limousin origin & description
Definition
France
black, red-yellow
lean
#5 registered
Term
Limousin strengths
Definition
SUPERIOR MUSCLING
moderate to rapid growth
cutability
Term
Limousin weaknesses
Definition
fertility
milk production
carcass quality
Term
Simmental origin and description
Definition
Switzerland
black, or red, white face
horned & polled
#3 registered
TRI purpose
Term
Simmental strengths
Definition
milk production
rapid growth
cutability
Term
Simmental weaknesses
Definition
mature size-need excess nutrients
Dystocia (calving difficulty)
carcass quality
Term
Charolais origin and description
Definition
France
solid white or cream
large
#4 US registered
Term
Charolais strengths
Definition
muscling
rapid growth
cutability
Term
Charolais weaknesses
Definition
maintenance costs
dystocia
milk production
Term
Gelbvieh origin and description
Definition
Austria & Germany
Black & golden
moderate mature size
#8 registered
Term
Gelbvieh strengths
Definition
Fertility/early sexual maturity
milk production
rapid growth
carcass cutability
Term
Gelbvieh weaknesses
Definition
dystocia
marbling
Term
Brahman origin and description
Definition
India
gray to white
mainly horned
moderate size
large hump & loose skin
mainly in gulf coast
#11 registered
Term
Brahman strengths
Definition
heat, insect, and disease tolerant
mothering ability
longevity
heterosis in crossbreeds
Term
Brahman weaknesses
Definition
lack of muscling
fertility/late sexual maturity
cold tolerance
carcass quality and tenderness
Term
Beefmaster origin and description
Definition
US
multicolored
1/2 brahman, 1/4 hereford, 1/4 shorthorn
mainly horned
moderate size
#7 registered
Term
Beefmaster strengths
Definition
heat tolerance
mothering ability
performance on forage
Term
Beefmaster weaknesses
Definition
lack of muscling
variability in performance
carcass quality & mutability
Term
Brangus origin and description
Definition
US
black & red
5/8 angus, 3/8 brahman
polled
moderate size
#9 registered
Term
Brangus strengths
Definition
heat tolerance
mothering ability
carcass quality
Term
Brangus weaknesses
Definition
muscling
carcass cutability
temperment
Term
Chianina
Definition
italian
tallest breed
Term
Santa Gertrudis
Definition
king ranch
early american breed
3/8 brahman, 5/8 shorthorn
Term
Holstein origin and description
Definition
Holland
Black, white, sometimes red
large size
80% of dairy cows in US
Term
Holstein strengths
Definition
large size
milk production
low milk fat
Term
Holstein weaknesses
Definition
longevity
Term
Jersey origin and description
Definition
Jersey Island
fawn color
small to moderate size
15% of dairy cows in US
Term
The dairy industry has a high efficiency of _______ utilization
Definition
nutrient
Term
Dairy cows give ____-____% of their energy to milk production
Definition
17-25%
Term
Dairy cows give ____-____% of their protein to milk production
Definition
28-36%
Term
Why does the dairy industry have a high investment cost/animal unit
Definition
cow cost, feed cost, facilities, milking parlor, waste and environmental management
Term
Why does the dairy industry have a high income/animal
Definition
because dairy cows in ga give about 16500 lbs of milk/cow/yr
at UGA they give 20550lbs of milk/cow/year
Term
Feedstuffs used in dairys
Definition
roughages (4.5 tons/cow/year)
Pastures, hays, silage, cottonseed hulls
Concentrates
Term
Types of concentrates used in the dairy industry
Definition
corn, soy hulls, soybean meal, by-product (brewers grain, corn gluten feed, animal protein, citrus pulp, salad waste)
Term
How many gallons of water does it take to produce 1 gallon of milk?
Definition
150
Term
Function of dairy mammary gland
Definition
synthesis, storage, and secretion of milk
Term
Do a cow's udder quarters exchange milk?
Definition
no
Term
How much milk do the rear quarters of a dairy cow's udder produce?
Definition
60%
Term
How much milk do the fore quarters of a dairy cow's udder produce?
Definition
40%
Term
Alveoli
Definition
basic secretory unit
millions of hollow, grape-like structures that produce and secrete milk
Term
epithelial cells
Definition
milk producing cells
Term
myoepithelial cells
Definition
smooth muscle cells that contract and cause milk secretion into the lumen of the alveolus
Term
As the _____ fills with milk and expands, milk is forced into the duct system of the mammary gland
Definition
lumen
Term
Lobules
Definition
groups of alveoli surrounded by a thin fibrous membrane
Term
Lobes
Definition
group of lobules that drain into a single duct system
Term
Milk ducts
Definition
ducts that drain the lobes
there are about 30/duct
Term
Gland cistern
Definition
one/quarter
pocket formed at the openings of the milk ducts
short-term storage site
Term
Teat cistern
Definition
cavity within the teat
Term
Streak canal
Definition
opening of the teat to the environment
Term
Teat sphincter
Definition
smooth muscle closure around streak canal
Term
Mammary development begins at _________
Definition
puberty
Term
__________ is involved in mammary duct development
Definition
estrogen
Term
______________ is needed for alveolar-lobule development
Definition
progesterone
Term
_____________ stimulates and maintains milk secretion
Definition
prolactin
Term
___________,___________, and ______________ are involved in maintenance of milk secretion
Definition
thyroxin, GH, and adrenal steroids
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