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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. When evaluating a dairy ration - what do the letters TDN stand for?
Total Digestible Nutrients
75%
PH 4.6
Esophageal groove
2. The circulatory system of a dairy cow is very important to milk production. A dairy cow must circulate about _________ of blood for each pound of milk produced.
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
Progesterone
Listeria
400 pounds
3. In the reproductive tract of a dairy cow - how many uterine horns are there?
Clipping and singeing
Cheddar
You S Animal Health Association
Two
4. What is the most abundant mineral in the body?
25-30
Calcium
50 percent
Escherichia coli
5. What is a TMR to a dairy person?
Mixer box on a truck or trailer
Total Mixed Ration
Drug residue
50
6. Mule-foot is found most often in ___________dairy breed?
Epinephrine
Interdigital phlegmon
Holstein
Transponders
7. At what isoelectric point (point at which proteins have net zero charge) do caseins precipitate?
2.25
PH 4.6
Jersey
Gonadotropin Releasing Hormone
8. A condition of low blood calcium - which results in partial paralysis of the cow is known as __________________.
Milk fever
Low blood levvels of ionized calcium
Progesterone
80
9. In regards to pedigrees - What is a RHA?
Plate chiller
To add a concentrated form of energy
Registered Holstein Ancestry
Mule-foot
10. According to recent USDA surveys - What is the most popular age to wean dairy calves?
Pasteurizing system
High-producing pregnant cows
9 weeks
Negative net energy balance
11. Rumen bacteria enable dairy cattle to utilize which feed supplement?
Potassium
Urea
Two weeks prior to calving
Parathyroid gland
12. A Milking herd's TMR should be available to cows how many hours throughout the day?
20 to 24
1957
Loin and chine
Pastuerized Milk Ordinance
13. What percentage of whole milk is fat when compared on a dry matter basis?
Disbudding
Large Plastic Bags
24
25%
14. Cows produce pheromones which...
Attract the opposite sex
Front feet toward rear of the cow with head - nose first - between them
Loin and chine
XY
15. FARAD
Calcium
Chine
Twelve
Food Animal Residue Avoidance Databank
16. What are two methods for shortening udder hair?
Clipping and singeing
Calories
Dairy Comp 305
The bacteria Escherichia Coli
17. Dairy cows produce milk that is relatively high in B complex vitamins. Because they are ruminants...
Bovine Viral Diarrhea
Abomasum
A national dairy farmer-funded program that is used to help stabilize milk prices
It is not necessary to supplement the intake of Vitamin B complex
18. When using sexed semen - conception rates are _________ percent of the conception rates achieved when using unsexed semen under the same conditions?
Recessive
Feed low potassium hay - silage - and anionic salts to dry cows
Epinephrine
50-80%
19. Corn silage - stored in upright - top-unloading silos - should be chopped at which percent moisture?
Black leg
Administered in the muscle
62 to 65% moisture
Relative Forage Value
20. A bovine female which has not had a calf is a...
Heifer
45-55
Lignin
Negative net energy balance
21. To dairymen - the most harmful disease impacting milk production and their economic bottom line is...
Oxytocin
Four or more times
Mastitis
The initiation of milk secretion
22. What is intra musclular injection?
Back flushing
Administered in the muscle
Swollen hock
Udder
23. Feeding proper rations during the summer is important for both cow comfort and maintaining milk production. Which nutrient is most important during the summer months?
Laminitis
5
Water
It has a lower vacuum requirement
24. A material used in a footbath for cows with foot rot problems is...
Rear feet and legs
Copper sulfate
Parallels out performed herringbones by nearly 8%
Administered in the muscle
25. Which body part is located more towards the front of the animal?
Flank
25
Parathyroid gland
Rolling Herd Average
26. Approximately how many gallons of blood pass through the udder for each gallon of milk produced?
Pulsator
Nonstructural Carbohydrates
400‐500 gallons
Foreign Agricultural Service
27. All U.S. dairy farms are inspected by state inspectors through a program coordinated by the Food and Drug Administration. Inspectors follow a publication called the PMO. What does PMO stand for?
High % of water
Parallels out performed herringbones by nearly 8%
Large Plastic Bags
Pastuerized Milk Ordinance
28. What breed is known to produce milk over a greater number of years than all other breeds?
Brown Swiss
General Agreement on Tariff and Trade
Water
Rear feet and legs
29. On the PDCA Unified Dairy Score Card - the category 'dairy strength' accounts for how many points?
Copper
Jersey
25
Food safety and Inspection Service
30. Pest Predators will travel up to ____ yards to find their food source (fly pupae).
80
101.5 degrees F
Plate chiller
30 hours
31. A dairy expects to cull approximately _________% of their herd each year.
25-30
Dairy Farmers of America (DFA)
8.62 pounds
A negatively charged ion
32. How many days after breeding can a pregnancy be detected by ultrasound?
Corpus Luteum
Parturient paresis
They may be bothersome to livestock and other animals
Between 28 to 30 days
33. When referring to rations - what do the letters NFC stand for?
Sodium
1957
Non-forage Carbohydrates
Interdigital phlegmon
34. When can a heifer calf born twin to a bull be registered?
30 hours
Milk fever
When it is proven that she will breed
30
35. Milk with over_____________ somatic cell count cannot legally be shipped in the United States?
50 percent
750000
They may be bothersome to livestock and other animals
Symbiotic
36. Fumonsin and zearalenone are examples of...
10
Mycotoxins
Sire conception rate
Rolling Herd Average
37. What trait with the only positive genetic correlation to milk production?
3 years
A B-Vitamin
Dairy character
1
38. What female hormone causes follicles to begin to develop?
Zinc
Follicle stimulating hormone
The bottom most part of the tail
2000's
39. Which hormone produced by the uterus causes regression of the corpus luteum?
3-6 minutes
Dairy character
Poor
PGF
40. What mineral is necessary for hemoglobin formation?
Farm Service Agency
Twice/day
Two
Copper
41. Fresh milk - at a dairy - is required to be cooled to a minimum of 50 degrees F within 4 hours time after milking. However many larger dairies are using a _______________ to accomplish this within minutes.
5
Plant starch - pectin - and sugar
Plate chiller
Parturient paresis
42. What are the two types of ovarian cysts?
Poor
Mammals
Follicular and luteal
Small intestine
43. Which of the following is an infectious disease?
% Degradable proteins
The abomasums of a milk fed calf
Ringworm
Bovine Viral Diarrhea
44. Fermented forage plants relates to...
Fat
Silage
8.62 pounds
Disbudding
45. What manure waste management method runs manure across a press and squeezes the water out?
Feed
Direct Microscopic Counts
Solids removal
24 hours
46. ___________ represents the largest daily input cost in producing milk.
The abomasums of a milk fed calf
Plant starch - pectin - and sugar
Recessive
Feed
47. NFDM
Nonfat Dry Milk
40/60
When it is proven that she will breed
Mycotoxins
48. BST is the acronym for what compound?
Bovine Somatotropin
Brown Swiss
Rolling Herd Average
Guernsey and Jersey
49. What ration ingredients contain the highest concentration of energy?
Longer than 1.5 inches
Water
Fats
Large Plastic Bags
50. Adequate consumption of long fiber roughage is important to both milk production and herd heath. A long fiber roughage is one that is...
Neutral Detergent Fiber
Longer than 1.5 inches
Non-forage Carbohydrates
Nitrogen