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Test your basic knowledge |
Dairy Cattle Basics
Start Test
Study First
Subjects
:
industries
,
dairy
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. It is widely acknowledged that a calcium/phosphorus ration of about ______________ is best for a dairy ration since this mirrors that of the cows' body.
Pastuerized Milk Ordinance
20-30%
2:1
Cation-Anion Difference
2. When sanitizing milking equipment with water - the temperature must be a minimum of 170 degrees F and the utensils are to be under the flow of water for ____________ minute(s).
Escherichia coli
Jersey
PGF
5
3. Dairy rations - especially those for high producing cows - may be buffered to maintain a desirable rumen pH. The most common buffering agent for this is...
75%
Two
Swollen hock
Sodium Bicarbonate
4. When using sexed semen - conception rates are _________ percent of the conception rates achieved when using unsexed semen under the same conditions?
9 weeks
50-80%
Potassium
Holstein
5. What is intravenous injection?
Administered via blood vessels
Progesterone
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
Milking Shorthorn
6. The first feeding of colostrum should equal about ___ percent of the calf's body weight?
5
Farm Service Agency
Propionic acid
Between 28 to 30 days
7. Where are non-degradable proteins absorbed?
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
Plant starch - pectin - and sugar
Small Intestine
Parturient paresis
8. What percent of lactating dairy cows have oxytocin in their bloodstreams during milking?
5000000
100%
No less than 60% moisture
National Farmers Organization
9. When doing classification scoring - a cow given the numerical value of 85-89.9 is classified as...
Lactation records have been adjusted to the same milk fat percentage
GTPI
Very good
A B-Vitamin
10. How many days after breeding can a pregnancy be detected by ultrasound?
In the cell wall
30 hours
Between 28 to 30 days
Restraint and control of the animal
11. At how many days can pregnancy be detected by palpation?
The initiation of milk secretion
Alfalfa and Clover
Between 14 and 35 days
Back flushing
12. Which cows have higher protein requirements?
High-producing pregnant cows
The tendency for a group of animals to do the same thing at the same time
Sodium
400‐500 gallons
13. Which mineral functions in maintaining osmotic pressure - acid-base balance - and body fluid balance?
Cellulose - hemicellulose - and lignin
Sodium
Parallels out performed herringbones by nearly 8%
Twice/day
14. A perfect score for a cow according to the Dairy Cow Unified Score Card is...
Lignin
Collecting the methane gas being produced and using it as an energy source on the dairy
100
Milking Shorthorn
15. A Babcock test may be used to measure the __________ % of milk.
Fat
Reduce the incidence of mastitis
To give birth
Udder
16. When referring to rations - what do the letters NFC stand for?
Citrate
25
Non-forage Carbohydrates
The bottom most part of the tail
17. According to the American Veterinary Medicine Association - the preferred method of dehorning young calves is_________.
Sterile heifer born twin to a bull
Disbudding
45-55
Bone calcium
18. Neospora caninum is a major cause of what in pregnant cows?
24 hours
Abortion
Dairy character
Feeding the cow
19. To the hundreth - how many pounds of milk are in a gallon?
24 hours
5000000
Holstein
8.62 pounds
20. Approximately how many gallons of blood pass through the udder for each gallon of milk produced?
Methane
400‐500 gallons
Escherichia coli
305 days
21. What is lactogenesis?
3 years
Decreases - increases
A B-Vitamin
The initiation of milk secretion
22. Abortion in the last trimester of pregnancy is often caused by_______________.
Brucellosis
Nitrogen excretion
20-30%
5
23. Endocrinology is the science dealing with _______________.
40/60
24
Interdigital phlegmon
Hormones
24. How did parallels perform when compared to herringbones?
750000
Silage
Foreign Agricultural Service
Parallels out performed herringbones by nearly 8%
25. %DBH
Percentage of Difficult Births in Heifers
62 to 65% moisture
Intravenous injection of calcium gluconate
Flank
26. Heart girth measurements of cows may be used to estimate...
Body weight
Roughage
40 gallons
Farm Service Agency
27. What is an anion?
Holstein
Total Production Index
A negatively charged ion
Lignin
28. Coccidia infection can occur when calves are 4 to 8 weeks old. Coccidia causes...
Enteritis
Rear feet and legs
Registered Holstein Ancestry
Bone calcium
29. When compared to normal corn silage - brown mid-rib corn silage has more energy and high digestibility. This is due largely to its lower content of__________.
40 degrees F
9%
Lignin
3 years
30. Rumen bacteria enable dairy cattle to utilize which feed supplement?
10
Urea
Two
Plant starch - pectin - and sugar
31. Milk fever is also (scientifically) known as what?
Symbiotic
Parturient paresis
60 days
Reticulum
32. The rear quarters produce __________% of the daily milk yield.
60
60 days
Lignin
18
33. Parallel milk barns typically have several cows on each side. The cows are arranged in a ____________ fashion in this barn.
Good plus
Animal Improvement Program Lab
Loin and chine
Side by side (head out)
34. What numerical value does a Holstein cow get when given the classification good?
Composting
100%
14 days
75-79.9
35. One ejaculation from a bull typically contains _________________ sperm
Concentrated Animal Feeding Operation
5000000
Foreign Agricultural Service
Manure handling procedures
36. A mutation where a calf is born with a single toe on one or more feet is called...
Bovine Somatotropin
Integrated pest management
5
Mule-foot
37. To dairymen - the most harmful disease impacting milk production and their economic bottom line is...
40/60
75%
Mastitis
Small Intestine
38. Name the three common places Coliforms are found.
Cheddar cheese
Mud - water - and manure
Follicular and luteal
% Protein
39. Which reproductive condition results when the fetal membranes remain within the uterus for an extended period following parturition?
Vitamin A
Limber leg
60
Retained placenta
40. Dairy cattle frequently develop milk fever shortly after calving. They become immobile - comatose - and may die without treatment. The treatment typically involves...
Bovine Somatotropin
Intravenous injection of calcium gluconate
Feed
Duodenum
41. The hormone ______________ stimulates milk let down and may be administered via injection - when necessary after parturition.
United States Dairy Export Council
Oxytocin
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
A B-Vitamin
42. When can a heifer calf born twin to a bull be registered?
Holstein
Longer than 1.5 inches
Extremely fat
When it is proven that she will breed
43. HTST is a ______________
5
Pasteurizing system
Disbudding
Feed
44. What stomach compartments are not developed in a newborn calf?
20
Jersey
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
Rumen and reticulum
45. How frequently should an average freshen?
Attract the opposite sex
MyDairy
Once every 12 months
Citrate
46. Limber leg is found most often in the ____________ dairy breed?
After 200 days of lactation
Jersey
Escherichia coli
Silage
47. About 90% of U.S. dairies use a __________ milking schedule.
Feed low potassium hay - silage - and anionic salts to dry cows
Holstein
75-79.9
Twice/day
48. The medical name tarsal hygroma - a commonaliment of dairy cows is commonly called...
Between 14 and 35 days
Swollen hock
Bovine Somatotropin
During the first pregnancy
49. Texas dairies normally must be permitted by the ___________before they begin operations.
Propionic acid
Texas Commission on Environmental Quality
Cellulose - hemicellulose - and lignin
Listeria
50. Name the three common places Coliforms are found.
Fat residue
Pass from animals to humans and vice versa
Administered via blood vessels
Mud - water - and manure