Q.1
What is the accepted standard length for a lactation record for dairy cattle?
  • a) 200 days
  • b) 305 days
  • c) 365 days
  • d) 100 days
Q.2
What can heart girth measurements of cows be used to estimate?
  • a) Age
  • b) Milk production
  • c) Calving date
  • d) Body weight
Q.3
In regards to pedigrees, what is an RHA?
  • a) Rolling Herd Average
  • b) Registered Herd Ancestry
  • c) Registered Holstein Ancestry
  • d) Registered Herd Average
Q.4
Milk should be below what temperature before it is transferred to a milk truck?
  • a) 60 degrees F
  • b) 20 degrees F
  • c) 30 degrees F
  • d) 40 degrees F
Q.5
When referring to milk test used at the processing plant, what is a DMC?
  • a) Direct Microscopic Smear test
  • b) Direct Microscopic Somatic test
  • c) Direct Micro Susceptibility test
  • d) Direct Measurement Control
Q.6
How much water can a lactating cow consume in one day?
  • a) 5 gallons
  • b) 15 gallons
  • c) 35 gallons
  • d) 25 gallons
Q.7
What percent of milk is water?
  • a) 82 percent
  • b) 87 percent
  • c) 93 percent
  • d) 50 percent
Q.8
What units are used to measure energy?
  • a) Calories
  • b) Grams
  • c) Liters
  • d) Tons
Q.9
What ration ingredients contain the highest concentration of energy?
  • a) Carbohydrates
  • b) Fats
  • c) Sugars
  • d) Minerals
Q.10
When evaluation dairy rations what do the letters NE stand for?
  • a) Net Equivalence
  • b) Not Essential
  • c) Not Edible
  • d) Net Energy
Q.11
When evaluating a dairy ration, what do the letters TDN stand for?
  • a) Total Diet Needed
  • b) Tested Digestible Nutrients
  • c) Total Digestible Nutrients
  • d) The Dairy Network
Q.12
What percent of dry matter in plants is made of carbohydrates?
  • a) 50 percent
  • b) 65 percent
  • c) 75 percent
  • d) 85 percent
Q.13
Where are structural carbohydrates found in the plant?
  • a) In the cell wall
  • b) In the cell nucleus
  • c) In the cell organelles
  • d) In the cell membrane
Q.14
What are structural carbohydrates made of?
  • a) Cellulose, fructose, and saccharin
  • b) Lignin, sucrose, and cellulose
  • c) Cellulose, hemicellulose, lactose
  • d) Cellulose, hemicellulose, and lignin
Q.15
What kinds of relationship do cattle and the microorganisms in their rumen share?
  • a) Electrostatic
  • b) Parasitic
  • c) A-Biotic
  • d) Symbiotic
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