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Animal Science
Practice Questions for Exam 2
54
Science
Undergraduate 2
11/06/2008

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Term
What breed of cattle should you use if you wanted to increase the milking ability in cattle that were a cross between Herefords and Limousins?
Definition
Shorthorn Cattle
Term
If you wanted to increase warm weather tolerance, what would be a good breed of cattle that you could use?
Definition
Brahman
Term
If you started with a Hereford bull on a Limousin cow and then crossed the female offspring with a Limousin bull and the used a bull of the breed you chose the shorthorn bull on those offspring, what percent of hereford would there be in those offspring?
Definition
1/8
Term
On average, how many days would it take to go from breeding to weaning ifyour cow conveived at the first mating and produced a healthy calf sold as a stocker?
Definition
463 days
Term
What type of ration should be fed to finish a cattle with good marbling?
Definition
High Grain
Term
The ranch manager wants your help with their herd health program.  He wants you to do the inspections of the cattle as they come through the chute for vaccinations. What should you do?
Definition
1. Check external body for signs of parasites, bruises or injury
2. Check head and face, look for runny eyes, nose and mucous membranes
3. Check manure and urine if possible 
Term
The ranch manager said that there were five areas to watch to maintain good heard health.  Two of these are sanitation and disease prevention. What are the other three?
Definition
Nutrition, Parasite control, and good record keeping
Term
What are the diseases that must be controlled in beef cattle?
Definition
IBR, BCD and TB, Brucellosis, Leptospirosis and Coccidiosis, Para-Influenza, RotoVirus, and Keratoconjuctivitis (pink eye)
Term
What are some economically important traits of beef cattle?
Definition
Body weight, Weaning weight, feed efficiency and Longevity
Term
What is an elastrator used for?
Definition
Castrating Rams
Term
True or False: There are more sheep and goats used for milk production in parts of the world than there were dairy cattle used for milk.
Definition
True
Term
What are some of the characteristics of Wool?
Definition

-It is water and fire resistant

-Inexpensive to produce

-It is elastic and Strong

Term
Some of the finest wool clothing are made from which type of yarn or fabrics?
Definition
Worsted Fabrics
Term
What breeds of goats are known for their milking ability?
Definition
-French Alpine, Nubian, American La Mancha
Term
Ovine ecthyma affects what body area of sheep?
Definition
Mouth
Term
Ivomectin, Levamasole, Panacure and Valbazen can be used to treat what type of health problem of sheep?
Definition
Worms
Term
Why is it important to remove ewes from fresh legume pasture for about 2 weeds prior to breeding?
Definition
Estrogen in the feed may prevent settling
Term
Loss of appetite, labored breathing, staggering and paralysis are symptoms of what disease in sheep?
Definition
Ketosis
Term
What is the result of a cross between a Mare and a Jackass?
Definition
A mule
Term
What does the 4 in 1 vaccination program prevent against in horses?
Definition
-Eastern and Western Encephalomyelitis, Influenza and Tetanus
Term
What is the second most popular breed of horses in the United States based on registration numbers?
Definition
Paint breeds
Term
What should be done relative to feeders and waterers for horses?
Definition
You can feed hay on the ground or in a feeder but the waterers and grain feeders must be about 36 inches off the ground
Term
Do most horses require a feed supplement of some sort?
Definition
No
Term
In order to move horses between states or to a show, they need to be negative for Equine Infectious Anemia. What can you use to test the horses?
Definition
The Coggins Test
Term
What is a laceration?
Definition
A laceration is a cut with irregular edges that requires suturing and drainage of the wound.
Term
What health problem has been named the #1 killer of horses?
Definition
Colic
Term
For lactating mares, How much of their daily ration should be roughage?
Definition
50-80%
Term
In what state is the most milk produced?
Definition
California
Term
Currently, about how much milk is used as fluid milk, for drinking, etc.?
Definition
40%
Term
What is true about Holsteins and Jerseys?
Definition
Over a standard lactation, the Holsteins will produce more total milk and butterfat than Jersey's.
Term
At what age should replacement Heifers be bread?
Definition
14 to 15 months old
Term
How much energy in mcal of energy daily is needed for a Dairy cow who has is used for:
-Maintenance
-Growth of 2-3 yrs old
-Fetal Development
-During Lactation
Definition
Maintenance: 10 mcal/day
Growth of 2-3 yrs old: 3 mcal/day
Fetal Development: 3 mcal/day
During Lactation: 22mcal/day
Term
You have been asked to evaluate several cows in the herd for health and conformation. What will you look for?
Definition
- Eyes bright
- Mucus membranes bright pink
(pale = anemia)
- Ears warm
- Skin and Hair coat smooth and glossy
no evidence of lice, ringworm, grubs, etc.
- Not to fat or skinny
- Strong feet and legs (1 bad foot on bull will ruin a breeding program .)

Term
What association supplies information about Dairy Bulls used for breeding?
Definition
DHIA
Term
How many days after AI with that bull semen you ordered should the heifers be calving?
Definition
283 days
Term
How many days after AI with that stallion semen you ordered, should a Ewe be Lambing?
Definition
148 days
Term
How long is the gestation period in Sows?
Definition
114 days
Term
How long is the gestation period in a Mare?
Definition
345 days
Term
What should be done in the first 24 hrs to the new born calves of heifers?
Definition
1.Dry off
2. Feed Colostrum
3. Give Calfguard
4. Iodine on naval 
Term
When should flushing of gilts take place?
Definition
3 weeks prior to mating only
Term
What should be done to piglets on the first and second days after birth?
Definition
Piglets at birth - Iodine on navel.

2nd day after birth
1. Clip needle teeth
2. Dock tails
3. Notch ears
4. Shot of iron
Term
What has been a very costly disease of swine?
Definition
Reproduction syndrome, costly disease of swine.  85,000+ died on 212 farms.  cost is 10.6 million.  40 viruses and 100 bacteria are implicated in this one disease problem.  Kind of like lyme disease in animals.
Term
What are some health concerns for cows following parturition? (there are 5)
Definition

1. Did not pass afterbirth

2. She "cast her withers" (prolapsed uterus)

3. Mastitis

4. Hypocalcemia (milk fever) Low levels of Ca

5. Downer Cow Syndrome 

Term
When are pigs usually weaned?
Definition
3-5 weeks
Term
Lactating/Nursing gilts and sows should receive a diet with about 13-15% Crude Protein and 3190 Kcal ME and low in fiber.  How much of this diet should be fed each day while nursing?
Definition
4lbs + 1 lb per nursing piglet
Term
Lactating/Nursing gilts and sows should receive a diet with about 13-15% Crude Protein and 3190 Kcal ME and low in fiber. How much of this diet should be fed each day while nursing?
Definition
4 lbs + 1 lb per nursing piglet
Term
What can you suggest to the swine farmer to help curb pre weaning piglet mortality?
Definition
1.    Sow Condition - heavy sows not good milkers, or mothers.  can't feel where piglets are and crush them.
2.    Good vaccination programs, varies with area of country.  Breeding stock is blood tested for Pseudo rabies and Brucellosis.
3.    Genetics - ability to milk, mother, litter size, etc.
4.    Parasite control
5.    Washing the sow with mild soap prior to farrowing.
6.    Keep good records.

Term
Piglets should get two sets of vaccinations, one at weaning and a second 2-3 weeks post weaning.  What types of diseases or problems are they being vaccinated against?
Definition

Respiratory diseases and Salmonella, E.Coli and Pasturella

 

The vaccinations are called: pleuro gard and porciback

Term
What is the average target market weight for hogs?
Definition
225 pounds
Term
How long does it take to incubate and raise some meat birds to market weight?
Definition
about 63 days
Term
About how long will it take if your purchased day old chicks from a local hatchery until you will get your first eggs?
Definition
16-18 weeks
Term
Of al the breeds of egg laying chickens in the country, which is the most popular breed, based on total numbers used in commercial egg production?
Definition
Single Comb White Leghorn
Term
For which disease can the birds be vaccinated in-ovo at 18 days of incubation using current technology?
Definition
Marek's Disease
Term
Which disease of chickens, if present in their most potent state, can be diagnosed by looking at egg shells and which can be diagnosed by looking at the walls, in that order?
Definition
Infectious Bronchitis and Infectious Laryngotracheitis
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