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Test your basic knowledge |
Dairy Cattle Basics
Start Test
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Subjects
:
industries
,
dairy
Instructions:
Answer 50 questions in 15 minutes.
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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. A free martin is considered a...
Milk on Demand
Sterile heifer born twin to a bull
Increase - 5
Administered under the skin
2. Dairy heifers need to bred at ________ of age assuming they are at least 65% of their adult weight at that time.
Dished
Body weight
Reproductive failure
15 months
3. When a cow comes into heat every few days - she is referred to as?
Cystic
Low blood levvels of ionized calcium
Holstein
Total Digestible Nutrients
4. Milk traits - i.e. fat - protein - SNF and etc. - tend to have a heritability of about...
Plate chiller
20-30%
The abomasums of a milk fed calf
% Protein
5. A dairy cow that has all 8 permanent incisor teeth can be considered to be a minimum of ______________old.
Preparing cows properly
Rolling Herd Average
Solids removal
4 years
6. What percent of the cows feed intake is consumed during the daylight hours?
70%
Digital Dermatitis
Two times
XY
7. In order to prevent bloat - the feed additive Poloxalene is often added to feed rations for cows that are grazing. Which of the following grazed forages are most likely to cause bloat?
Once every 12 months
Silage
Alfalfa and Clover
European Union
8. HTST is a ______________
45-55
PGF
A minimum of every 6 months
Pasteurizing system
9. Hairy Heel Wart is scientifically known as what?
Brown Swiss
Administered in the muscle
A B-Vitamin
Digital Dermatitis
10. In a sire's proof - daughters' calving ease measures __________________.
Udder
25
Foreign Agricultural Service
The influence of the sire of the cow on calving ease
11. What percent non-fiber carbohydrate should a ration contain for high producing cows?
35 to 40%
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
Hormones
Rolling Herd Average
12. Many dairymen 'dock' the tail on their cows much to the chagrin of Animals Rights groups. They believe This is necessary to...
Nitrogen excretion
Mycobacterium bovis
Two
Reduce the incidence of mastitis
13. When doing classification scoring - a cow given the numerical value of 85-89.9 is classified as...
30 hours
Very good
3-6 minutes
101.5 degrees F
14. On average - how many weekd after freshening does a cow's dry matter intake peak?
Longer than 1.5 inches
Hardware disease
Chine
12-14 weeks
15. What kinds of relationship do cattle and the microorganisms in their rumen share?
Cheddar cheese
Food safety and Inspection Service
Bone calcium
Symbiotic
16. What is the classification for a Holstein cow given the numerical value of less than 70?
1957
Poor
Modified Live Virus
Manure handling procedures
17. Approximately how many gallons of blood pass through the udder for each gallon of milk produced?
400‐500 gallons
Milk fever
Enteritis
The weaving gait of affected cattle
18. To the hundreth - how many pounds of milk are in a gallon?
30 hours
Holstein
Composting
8.62 pounds
19. What numerical value does a Holstein cow get when given the classification good?
Swollen hock
3 years
25 gallons
75-79.9
20. When looking at DHI records - what do the letters RHA stand for?
Parathyroid gland
Udder - feet and legs - body form - & dairy character
A minimum of every 6 months
Rolling Herd Average
21. IDFA
60
Holstein
International Dairy Foods Associactions
Registered Holstein Ancestry
22. What percent of dry matter in plants is made of carbohydrates?
75%
Poll
Niacin
Abomasum
23. What trait with the only positive genetic correlation to milk production?
Lactation records have been adjusted to the same milk fat percentage
Dairy character
Displaced abomasum
The bacteria Escherichia Coli
24. Milk with over_____________ somatic cell count cannot legally be shipped in the United States?
50
NAtional Research Council
750000
The tendency for a group of animals to do the same thing at the same time
25. Dairy producers are particularly watchful for zoonotic diseases in their herd. Zoonotic diseases are defined as those that...
Pass from animals to humans and vice versa
Hormones
Vitamin B
Parturient paresis
26. Milk sugars are not very soluble. Some people have difficulty hydrolyzing them in their bodies. This problem is called _________________.
Lactose intolerance
Predicted Transmitting Ability-Type
2.25
Administered in the muscle
27. When reffering to vaccinations - what do the letters MLV stand for?
% Degradable proteins
Modified Live Virus
Clipping and singeing
25%
28. What breed is known to produce milk over a greater number of years than all other breeds?
Brown Swiss
European Union
National Farmers Organization
25
29. Where are structural carbohydrates found in the plant?
In the cell wall
Corpus Luteum
Four or more times
45-55
30. Which dairy breed originated in the central part of the European continent?
3 years
Mammals
Brown Swiss
5
31. New computerized robotic milk stations are becoming a reality today. They have different names but one common one is MOD system. MOD means...
A positively charged ion
Udder
Urea
Milk on Demand
32. What stomach compartments are not developed in a newborn calf?
Rumen and reticulum
Front feet toward rear of the cow with head - nose first - between them
International Dairy Foods Associactions
Large Plastic Bags
33. Dairy herds have historically used artificial insemination. Currently approximately ____________% of all dairy pregnancies results from A.I.
85
Feed
Rear feet and legs
50
34. A mutation where a calf is born with a single toe on one or more feet is called...
35 to 40%
Claw
Mule-foot
400 pounds
35. A Babcock test may be used to measure the __________ % of milk.
Faster
Interdigital phlegmon
Mixer box on a truck or trailer
Fat
36. How much water can a lactating cow consume in one day?
3-6 minutes
25 gallons
1
Attract the opposite sex
37. Cows that are at risk of developing ketosis can be fed what vitamin to help prevent ketosis?
Pink eye
Mycobacterium Paratuberculosis
Decreases - increases
Niacin
38. What is a nonfunctional mammary gland called?
10%
European Union
Pass from animals to humans and vice versa
Blind quarter
39. What is the approximate time of ovulation in cattle after the beginning of heat?
30 hours
Cheese
Nonprotein nitrogen
Leukocytes
40. Cows have _____ streak canals per teat.
1957
1
Direct Microscopic Counts
Premis ID
41. EU
5000000
5
XY
European Union
42. In cows - salmonellosis infections are most common in those that have calved within __________.
PGF
10 days
After 55 days
Bone calcium
43. What is the classification for a Holstein cow given the numerical value 80-84.9?
Good plus
Carbon
The influence of the sire of the cow on calving ease
Dished
44. When referring to milk test used at the processing plant - What is a DMC?
Sickle hocked
Direct Microscopic Counts
2:1
87%
45. What is the name of the term for a farm's unique identification number that is part of the National Animal Identification System?
5
60 days
Premis ID
Subclinical
46. Fermented forage plants relates to...
Omasum
Silage
300 + degree
% Degradable proteins
47. Which hormone produced by the uterus causes regression of the corpus luteum?
By dividing the total amount of milk produced in the past 365 days by the total number of cow years in the herd last year.
PGF
Calories
70%
48. After insemination - how long do sperm live in the cow's reproductive tract?
24 hours
Clipping and singeing
50 percent
8.62 pounds
49. Which cows have higher protein requirements?
GTPI
282 days
High-producing pregnant cows
North American Free Trade Agreement
50. When doing classification scoring - a cow given the numerical value of 85-89.9 is classified as...
Cation-Anion Difference
After each use
Very good
Calcium
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