Exam 1 & 2

Question 1

Infectious keratoconjunctivitis is caused by what vector?

Answer 1

Face flies

Question 2

M. avium sub. paratuberculosis causes what disease?

Answer 2

Johne’s disease

Question 3

A bred cow that has never been vaccinated, is exposed to an NCP stain of BVDV at 3.5 months of gestation. If the calf is born alive, what will it be known as?

Answer 3

Persistent infector

Question 4

A cow with a 200lb calf nursing was grazing normally yesterday, then was found lateral with paddling convulsions and vocalizations is most likely suffering from what nutritional disease?

Answer 4

Grass tetany

Question 5

If a CIDR is placed in a female, what hormone is consistently released inside her body?

Answer 5

Progesterone

Question 6

Which if the following is considered a primary spermatic abnormality?

Answer 6

Double head

Question 7

L. monocytogenes is the bacterial cause of what disease?

Answer 7

Circling disease

Question 8

What bacteria is transmitted by wildlife in urine that can cause abortion storms or weak calves?

Answer 8

Leptospirosis spp.

Question 9

Easiest way to treat acetonemia?

Answer 9

Oral propylene glycol

Question 10

White muscle disease would be seen in a calf that has a … deficiency?

Answer 10

Selenium

Question 11

A decrease in fertility, livability, and longevity is known as?

Answer 11

Inbreeding depression

Question 12

An intact female that has not produced offspring is known as?

Answer 12

Heifer

Question 13

A cervical prolapse with no necrotic tissue present is considered what grade?

Answer 13

3

Question 14

A dairy cow presents with an arched back, off feed, a positive grunt test, and has a left sided heart murmur. What is the most likely disease?

Answer 14

Traumatic reticulopericarditis

Question 15

What is the best treatment for Johne’s disease?

Answer 15

No treatment

Question 16

Secondary spermatic abnormalities occur where in the male reproductive tract?

Answer 16

epididymis

Question 17

Bacterial causes of BRD are?

Answer 17

P. multocida and M. haemolytica

Question 18

An F1 progeny had an estimated yearling weight of 950lbs but instead weighted 1000lb. What is the percentage increase in heterosis?

Answer 18

5%

Question 19

Black angus cattle are known for?

Answer 19

Carcass traits

Question 20

In rotation-terminal breeding system, mature cows are?

Answer 20

Placed in another breeding group with a new bull of a different breed

Question 21

At what point is Prostaglandin-F2-Alpha released?

Answer 21

Once the uterus realizes there is no fertilization of the ovum

Question 22

An F1 heifer is retained and bread back to the same breed as her dam. How much less heterosis will the heifer’s offspring have?

Answer 22

1/2

Question 23

A group of backgrounding calves has been placed on a pasture that previously was a junkyard. Two days later, several of the calves are noted to be grinding their teeth, having muscle tremors, and violent convulsions. What have they been exposed to?

Answer 23

Lead, lead poisoning signs

Question 24

3-methylindole is a natural byproduct that is pneumotoxic and causes what disease in cattle?

Answer 24

Fog fever

Question 25

A newly freshened cow on a local dairy has a down cow. One clinical sign noted is that the cow has acetone breath, what is wrong with this cow?

Answer 25

Ketosis

Question 26

A calf presented with two rear limbs showing through the birth canal. This presentation is known as what?

Answer 26

Posterior

Question 27

Bovine spongiform encephalopathy has been linked to what as a possible cause?

Answer 27

Prions

Question 28

A specific type of inbreeding that elevates the influence of a genetic line, while minimizing inbreeding depression is known as?

Answer 28

Linebreeding

Question 29

A continuous breeding system, is a system where?

Answer 29

heifers are kept as replacements

Question 30

A feedlot producer will most likely buy?

Answer 30

yearling stock

Question 31

This ischemic disease that affects cattle when exposed to an endophyte fungus is?

Answer 31

Fescue foot

Question 32

A neonate absolutely requires colostrum within how many hours after birth?

Answer 32

24 hours

Question 33

A bull presented for a breeding soundness examination; he was noted to have a persistent frenulum. Will this bull be considered a satisfactory potential breeder?

Answer 33

Eventually he could be, if the frenulum is detached, and he passes a BSE after next spermatic cycle

Question 34

F. necrophorum, a normal flora of the rumen causes what disease when exposed to large amounts of concentrate ratios (simple carbs)?

Answer 34

Rumenitis

Question 35

Which of the following is considered a secondary spermatic abnormality?

Answer 35

Folded tail

Question 36

Luteinizing hormone and follicle stimulating hormone are produced in response to what two hormones?

Answer 36

GnRH and Estrogen

Question 37

In a static terminal breeding system the female F1 progeny is retained and bred to?

Answer 37

A breed different than her parents

Question 38

Terminal breeding systems allow for more flexibility in choosing sires because?

Answer 38

all offspring is sold, so no replacement heifers are kept back

Question 39

If lutalyse is given to a cow at the beginning of diestrus, what will occur?

Answer 39

Corpus luteum is destroyed, returns to proestrus

Question 40

EPDs compare an individual with?

Answer 40

another individual of the same breed

Question 41

The most common cause of gaseous bloat is?

Answer 41

Foreign body in esophagus

Question 42

Where are the ganadotropins produced?

Answer 42

Anterior pituitary gland

Question 43

An F1 progeny results from a breeding where the sire and dam are?

Answer 43

Two different breeds

Question 44

The hypothalamus produces what hormone during estrous cycle?

Answer 44

GnRH

Question 45

What breed pair will give the most heterosis?

Answer 45

a British breed and a Tropical breed

Question 46

What structure releases progesterone?

Answer 46

Corpus luteum

Question 47

Primary spermatic abnormalities occur where in the male reproductive tract?

Answer 47

Testis

Question 48

What structure releases Prostaglandin-F2-Alpha?

Answer 48

Uterus

Question 49

A feedlot steer is found laterally recumbent and is noted to have dorsomedial strabismus, what if affecting the steer?

Answer 49

Polioencephalomalacia

Question 50

What hormone increases during metestrus?

Answer 50

Progesterone

Question 51

A very young lamb will have which of the following?

Answer 51

Two break joints

Question 52

Which of the following is not a finishing goal?

Answer 52

Have moderate excess fat

Question 53

Which meat goat grade is said to have superior meat type conformation?

Answer 53

1

Question 54

USDA inspection occurs at what point during the slaughter process?

Answer 54

All of the above Before slaughter, during processing, after processing

Question 55

What is the official goat meat grading system?

Answer 55

There is no official grading system in the U.S

Question 56

A very young lamb will have wich of the following?

Answer 56

Two break joints

Question 57

Young stock bull growth has a negative impact how?

Answer 57

May be over-conditioned and need to lose weight prior to breeding season

Question 58

A lamb carcass with a break and a spool joint, and slightly abundant flank streaking will have a quality grade of?

Answer 58

Prime

Question 59

What gland senses daylight in sheep and goats?

Answer 59

Pineal

Question 60

A feed that is high in fiber and low in digestible nutrients is sonsidered?

Answer 60

Roughage

Question 61

A 35-month old steer is slaughtered and has a modest amount o fmarbling would receive a quality grade of what?

Answer 61

Choice

Question 62

Which of the following has a high affinity for copper and leads to a copper deficiency?

Answer 62

Molybdenum

Question 63

What period would be an ideal time to regain lost body condition for a brood cow?

Answer 63

Mid lactation/Mid gestation

Question 64

Gossypol is a natural toxin found in what feed source?

Answer 64

Whole cottonseed

Question 65

What is the standard energy feed, to which all others are compared?

Answer 65

Corn

Question 66

Why is it important to ensure proper nutrition soon after parturition?

Answer 66

A decrease in dry matter intake can be seen after parturition, predesposing to milk fever

Question 67

What is the principal supplementary protein source in many livestock diets?

Answer 67

Soybean meal

Question 68

Wool grows in crimpled, elastic, clusters, known as ?

Answer 68

Staples

Question 69

What does Prostaglandin-F2-Alpha work on?

Answer 69

Corpus Luteum

Question 70

What hormone controls the ovine reproductive cycle?

Answer 70

Melatonin

Question 71

The ultimate goal for finishing cattle is?

Answer 71

Improve quality of meat

Question 72

What is the most crucial nutritional period in a beef cow

Answer 72

Early lactation

Question 73

Why is goat milk used in aromatic products?

Answer 73

Goats are browsers, which allows them to consume aromatic plants ...

Question 74

A lamb with a break and a spool joint with narrow ribs and small flank streaks would receive what quality grade?

Answer 74

Choice

Question 75

Hormonal implants like Ralgo, are used to do what in cattle?

Answer 75

Imporve feed efficiency and average daily gain

Question 76

At what point are the lowest energy requirements needed in beef cattle?

Answer 76

Mid gestation/ mid lactation

Question 77

The most common form of stunning in cattle slaughter is?

Answer 77

Mechanical

Question 78

The main pathology behind gossypol toxcicity is?

Answer 78

It renders amino acids unavailable, affects enzymatic reaction

Question 79

What is an example of a stored roughage?

Answer 79

Baled hay, silage, straw

Question 80

What makes up the calculation in yield grading in cattle?

Answer 80

Rib eye area, Kidney, pelvic, heart fat, fat thickness.

Question 81

Which of the following meats is considered most tender?

Answer 81

Cabrito

Question 82

A cow was weak in the rear limbs one day, then found dead the next. What is the most likely cause?

Answer 82

Clostridium botulinum

Question 83

Ionophores improve average daily gain by?

Answer 83

Increasing propionic and decreasing acetic and butyric acid

Question 84

Which is the cheap non-protein nitogen source that can be used to increase protein in ruminant diets?

Answer 84

Urea

Question 85

Where are the gonadotropins produced?

Answer 85

Anterior petuitary gland

Question 86

Which of the following does not go into quality grading in sheep?

Answer 86

Rib eye area

Question 87

Meat goats have what reproductive cycle?

Answer 87

Polyestrus with short day peaks

Question 88

Mold on feed that leads to ataxia, depression, hemorrhage, and icterus is most likely caused by what toxic agent?

Answer 88

Aspergillus flavus

Question 89

What structure releases progesterone?

Answer 89

Corpus Luteum

Question 90

What hormone increases during metestrus?

Answer 90

Progesterone

Question 91

What is the second most crucial period in a cows year when many poorly informed producers will decrease feed to supposedly reduce dystocia?

Answer 91

Late gestation