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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. %DBH
Percentage of Difficult Births in Heifers
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
Digestive
40 gallons
2. If you add sugar to a milk product - you must ______ the minimum pasteurization temperature by _____ degrees F.
Increase - 5
Energy
Citrate
Two weeks prior to calving
3. What is intra musclular injection?
4 years
Administered in the muscle
50
% Protein
4. Normal presentation of a calf for parturition will have...
Feeding the cow
Body weight
Front feet toward rear of the cow with head - nose first - between them
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
5. When using a body condition scoring system of 1 to 5 - What does a score of 5 mean?
Four or more times
Bangs
% Degradable proteins
Extremely fat
6. A dairy expects to cull approximately _________% of their herd each year.
10
Nonprotein nitrogen
25-30
Restraint and control of the animal
7. How many das into a pregnancy can a fetus be sexed by ultrasound?
Brown Swiss
75-79.9
Increase - 5
After 55 days
8. The portion of the ruminant digestive system which is known as and functions as the 'true' stomach is the...
General Agreement on Tariff and Trade
45-55
Abomasum
Digestive
9. What female hormone causes follicles to begin to develop?
Oxytocin
Follicle stimulating hormone
Progesterone
Very good
10. A material used in a footbath for cows with foot rot problems is...
Copper sulfate
3 years
87%
The tendency for a group of animals to do the same thing at the same time
11. What is a common name for infectious kerato conjunctivitis?
Heifer
Pink eye
Net Energy
Urea
12. 'Thurl position' is a trait evaluated in the ________ category on the PDCA Unified Scorecard?
Rear feet and legs
After 55 days
Leukocytes
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
13. Rumen bacteria enable dairy cattle to utilize which feed supplement?
Urea
Epinephrine
24
35 to 40%
14. When the environmental temperature falls below 30°F - the normal diet of a young calf should be supplemented with _______________?
Intravenous injection of calcium gluconate
Administered via blood vessels
Energy
Drug residue
15. Body condition scores form 1 to 5 are used to track herd health and nutrition. Dry cows should have a body score from...
Streptococus agalactae
3.5-4.0
14 days
General Agreement on Tariff and Trade
16. After a bulk tank is washed and rinsed - beading of water droplets is a sign of _____.
16-18
The bottom most part of the tail
Fat residue
Rumen
17. In the reproductive tract of a dairy cow - how many uterine horns are there?
5000000
Two
30 hours
300 + degree
18. 98% of somatic cells are...
10 days
Dished
50-80%
Leukocytes
19. What ration ingredients contain the highest concentration of energy?
Carbon
Fats
Commodity Credit Corporation
Nonstructural Carbohydrates
20. What percent of crude protein should a calf starter be?
Transponders
16-18
Carbon
Niacin
21. 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__________.
Urea
Between 14 and 35 days
Lignin
Mixer box on a truck or trailer
22. Which one of the following is the largest dairy milk marketing cooperative in the U.S.?
Between 6.0 and 6.5
After each use
Citrate
Dairy Farmers of America (DFA)
23. What should the pH of a 'close up' Holstein's urine be?
Silage
XY
Between 6.0 and 6.5
3.5-4.0
24. When reffering to vaccinations - what do the letters MLV stand for?
40 gallons
Flank
14 days
Modified Live Virus
25. What is an anion?
Rumen and reticulum
A negatively charged ion
16-18
Chine
26. Cows treated with BST typically show an increase in milk production of...
62 to 65% moisture
10%
Restraint and control of the animal
Food safety and Inspection Service
27. What structural carbohydrate component makes older plants less digestible than younger plants?
Front feet toward rear of the cow with head - nose first - between them
Lignin
Zinc
Disbudding
28. What are the four composite indexes calculated by the Holstein Association?
Abomasum
Udder - feet and legs - body form - & dairy character
The tendency for a group of animals to do the same thing at the same time
Faster
29. Cheddar cheese accounts for ____ % of American type cheeses made in the U.S.
80
Manure handling procedures
Hardware disease
Parathyroid gland
30. Dairy cows produce milk that is relatively high in B complex vitamins. Because they are ruminants...
It is not necessary to supplement the intake of Vitamin B complex
Administered under the skin
Composting
Administered via blood vessels
31. According to the NRC - what percent calcium should a dry cow ration contain?
Twice/day
Plate chiller
.39%
Abomasum
32. Coccidia infection can occur when calves are 4 to 8 weeks old. Coccidia causes...
Rumen
Enteritis
Dished
282 days
33. Milk let down in a dairy cow may be stimulated by...
80
Feeding the cow
Milk fever
Percentage of Difficult Births in Heifers
34. A bovine female which has not had a calf is a...
Heifer
Commodity Credit Corporation
High % of water
Loin and chine
35. The Global Dairy Agenda for Action is a pledge to reduce _______ emissions in an attempt to address global warming?
2000's
Between 14 and 35 days
Chine
Carbon
36. To maintain margins - you should be monitoring and making decisions based on your herd's IOFC. What do the initials IOFC stand for?
Income over feed costs
5
Nitrogen excretion
Direct Microscopic Counts
37. When looking at DHI records - what do the letters RHA stand for?
3.0
Rolling Herd Average
Mastitis
% Degradable proteins
38. Fear can disrupt milk letdown in a cow. The hormone released that causes this disruption is...
Epinephrine
Vitamin A
Pulsator
Abomasum
39. A disease transmitted through natural mating which causes abortion - low conception rates - and irregular heat cycles is _____________________.
The abomasums of a milk fed calf
Enteritis
Vibriosis
3.0
40. What is the sex chromosome configuration of a male calf?
After 200 days of lactation
XY
Low blood levvels of ionized calcium
Holstein
41. What are two methods for shortening udder hair?
Left side of the body
Large Plastic Bags
Clipping and singeing
Carbon
42. What is the USDA's AIPL?
Parathyroid gland
Enteritis
Animal Improvement Program Lab
Large intestines
43. Which hormone produced by the uterus causes regression of the corpus luteum?
PGF
Registered Holstein Ancestry
Cation-Anion Difference
5-9 years old
44. Feeding bulky feeds during the dry period and gradually bringing fresh cows back on grain are ways to prevent...
Displaced abomasum
60 days
Oxytocin
Milking Shorthorn
45. Many dairy bulls have their nose pierced with a ring in it. This allows for...
After 200 days of lactation
Black leg
Restraint and control of the animal
Energy
46. When discussing lactation records - What does the term 'fat corrected milk' mean?
Inguinal
Allowing them access to their new born calf for the 1st 30 days
Small intestine
Lactation records have been adjusted to the same milk fat percentage
47. When referring to milk test used at the processing plant - What is a DMC?
Direct Microscopic Counts
Holstein
Drug residue
Rumen and reticulum
48. The Global Dairy Agenda for Action is a pledge to reduce _______ emissions in an attempt to address global warming?
Modified Live Virus
Cation-Anion Difference
Carbon
300 + degree
49. The typical lactation curve shows a dairy cow reaching her peak production about ________days into the lactation cycle.
50-70
The bacteria Escherichia Coli
Limber leg
60
50. A Babcock test may be used to measure the __________ % of milk.
60
Total Production Index
Fat
The weaving gait of affected cattle