ANS 110 Exam 2- review Flashcards
T/F-Eighteen breeds of purebred cattle provide the genetic base, but make up less than 2% of the U.S. beef herd.
True
T/F-Phenotype represents the genetic makeup of the animal.
False
What would the predicted EBV of a piglet be if the dam had a rib eye EBV value of +10in2 and the sire had an EBV value of +14in2 ?
A-+12in2
B-+9in2
C-+11in2
D-+24in2
A
How is EBV used in genetic selection of livestock?
A-Producers use them to create the best genetic potential in their herds.
B-Producers use them to keep their herd the way it is.
C-Producers do not look at EBVs very much when it comes to breeding.
D-Producers are most worried about the way the animal looks instead of the genetics behind it, so they use EBVs as a crutch and only use them if they do not know what they are doing.
A
Which of the following are careers in genetics? Select all that apply.
-Researcher
-extension specialist
-Feed sales rep
-Technician
-Behavior analyst
All of the above
____+___= Phenotype
Genetics + Environment
Any sheep, goat, or horse between 12 and 24 months of age is called a ______.
A- Yearling
B-Weanling
C-Lamb
D- Steer
A- Yearling
A castrated male sheep (or goat) is called a _____.
A-shoat
B-Weather
C-Wether
D-None of the above
C- wether
Which of the following are breeds of sheep maintained at Michigan State University?
A-Dorper
B-Suffolk
C-Dorset
D-B and C
D- Dorset and Suffolk
The gestation length of sheep and goats is
150-152 days
The breed of sheep that is white with a black face is the ___________.
Suffolk
T/F. The term used to describe a difficult birth, or when offspring are not in the correct position during delivery is dysphoria.
False- Distoca
Why are tails docked in lambs?
Prevent fly strike
An intact male bovine is called a
Bull
A female bovine aged 2 years or over, that has produced a calf is called a
Cow
A castrated male bovine is called a
Steer
Which of the following is/are true?
A-Polled Herefords are red with a bald white face
B-Polled Herefords are typically docile with good mothering traits.
C-Polled Herefords have horns
D- Both A and B
D- both A and B
T/F- Cattle or other animals that are polled do not have horns either genetically or because they have been removed.
True
Prior to producing her first calf, a bovine female is called a
Heifer
Which of the following countries are in the top 3 in cattle & buffalo numbers?
A-USA
B-India
C-Brazil
D both B and C
D. both b and C
** the countries are India, china, and brazil
Which of the following are in the top 3 countries in beef consumption?
A- USA
B-Argentina
C-Canada
D- all of the above
B- Argentina
The leading state in beef cow numbers is
Texas!
T/F- The leading statle in beef cattle on feed is Nebraska.
True
Which of the following are part of the beef supply chain as described in lecture?
A- Seedstock
B-Backgrounds
C- Food service
D- All of the above
D- All of the above!
T/F- There are about 80 breeds of beef cattle in the U.S. with approximately 10 having a significant impact on the commercial beef industry.
False
Which of the following may be used to classify breeds of cattle?
A- Function
B-Quality of movement
C- Origin
D- A and C
D- Function and Origin
The purebred breed of black cattle produced at the MSU Beef Teaching & Research Cow Calf facility is
Angus
Which of the following Dairy breeds are frequently found in Michigan feedlots?
Holstein
Which of the following are true about Bos Indicus type breeds?
Maternal, heat tolerant and late in puberty
T/F- Eighteen breeds of purebred cattle provide the genetic base, but make up less than 2% of the U.S. beef herd.
True
Which of the following represents the correct order of the U. S. Beef Production Cycle?
Cow calf, weaning, stocker, feedyard
T/F- The mean Cow Calf herd size in the U.S. is 100 cows.
False
Which of the following are true with regard to breeding beef cattle?
The average pregnancy rate in the fall is about 90% of cows exposed to breeding.
T/F- Mature cows will experience dystocia about 12% of the time.
False
Which of the following are true with respect to weaning beef calves?
Typically vaccinated before they are weaned
Which of the following is true with respect to backgrounding or stocker programs?
Middlemen between cow herds and feedlots and their goal is growth not fattening
Which of the following are not true with respect to the Feedlot Phase?
cattle on feed eat high roughage diets
T/F- Cattle use land to produce food for people that would otherwise be unuseable.
True
T/F- There is more estrogen in a 3 oz. portion of peas than in a similar sized portion of implanted beef.
True
T/F- The State Veterinarian for Michigan is Dr. James Averill.
False- its Dr. Nora
Which of the following are true with respect to regulatory veterinary medicine?
A-The State Veterinarian’s office is especially concerned with zoonotic diseases.
B-The State Veterinarian maintains a list and surveillance program of reportable diseases, such as Bovine TB.
C-The State Veterinarian is also responsible for protecting the health of Michigan cats and dogs
D- All of the above
D- all of the above
T/F- There are 9 million dairy cattle in the United States.
True
There are ________ Dairy cattle in Michigan.
420,000
The number one state with respect to milk produced per cow is ___________.
Michiagn
The number one Dairy state with respect to number of cows is _________.
California
T/F- Dairy is the leading animal industry in the state of Michigan based on farm receipts.
True
T/F-Horses and reindeer are a source of milk in some countries.
True
The black and white Dairy breed used by MSU (and many others) is the
Holstein
Which of the following are true?
A-Conception is challenging in high producing cows.
B-The majority of Dairy cattle are bred by embryo transfer.
C-A cow should calve every 20 months.
D- None of the above
A- Conception is challenging in high producing cows
T/F- Phenotype represents the genetic makeup of the animal.
False
T/F-Producers should judge animals based on phenotype only, not genotype.
False
How much of each parents’ genetic potential is passed to their offspring?
50%
