1. The leading cause of high bacteria counts in raw milk is _________
a) Younger cows
b) Poor sanitation
c) Older cows
d) BST
Discussion
Explanation: Poor sanitation attributes to the high bacteria count in the milk. It leads to downgrade of quality.
2. After milking a cow, the cows teats should be dipped ___________
a) after 2 minutes
b) after 1 minute
c) after 30 seconds
d) immediately
Discussion
Explanation: It is advisable that the cow’s teats should be dipped immediately after milking
3. Generally, which breed produces the largest volume of milk?
a) Aryshire
b) Jersey
c) Holstein
d) Brown Swiss
Discussion
Explanation: Holstein breed produces the largest volume of milk as compared to Aryshire, jersey and brown Swiss.
4. Milk from a cow with mastitis will have__________
a) abnormal freezing point
b) a high somatic cell count
c) both abnormal freezing point and a high somatic cell count
d) abnormal boiling point
Discussion
Explanation: Milk from a cow with mastitis will have an abnormal freezing point and a high somatic cell count. This milk should not be consume
5. Name (General) for a class of bacteria that causes mastitis in dairy cattle.
a) lactococcus
b) staphylococcus
c) lactobacillus
d) E.Coli
Discussion
Explanation: Mastitis in dairy cattle is caused by Staphylococcus. Mastitis is a bacterial disease which leads to inflammation in mammary glands of a cow
6. Mostly healthy open cows will start a new reproductive cycle every ______ days.
a) 5-7
b) 21-28
c) 30-34
d) 47-50
Discussion
Explanation: Reproductive cycle for healthy cows start every 21-28 days.
7. Percentage of water in buffalo milk is ____________
a) 65-67 %
b) 70-75 %
c) 80-85 %
d) 87-90 %
Discussion
Explanation: Buffalo has 87-90 % of water in its milk and 10-13% other material
8. A dairy farmer who delivers “Grade A “or “bottling quality “milk to the processing plant is known as the __________
a) Handler
b) Producer
c) Order taker
d) Consumer
Discussion
Explanation: Producer is the dairy farmer which assigns a quality to the milk in the processing plant.
9. What is not the justification for government involvement in the marketing of milk?
a) Price and Income support for Dairy farmers
b) Reduce price and income flexibility
c) Improve market power of farmers
d) To reduce the consumption
Discussion
Explanation: The government is involved in the marketing of milk in order to support the price and income of dairy farmers; reduce price and improve the market power of farmers
10. Milk from cows being treated with antibiotics should be withheld from the supply because:
a) Antibiotics curdle the milk
b) People are sensitive to antibiotics
c) They create high bacteria counts
d) They prevent proper cooling
Discussion
Explanation: Many people are sensitive to antibiotics hence milk treated with them should be excluded from the supply