This set of Dairy Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Cows in Dairy – 4”.
1. When showing cows, where should the hind foot nearest the judge be when the animal is posed?
a) two steps back
b) one half step forward
c) three step back
d) lying down
Explanation: The hind leg nearest the judge is posed slightly behind the other about the distance of one half steps forward. Animal should be trained so the exhibitor can move quickly and easily into the correct pose. . Face animal uphill, if possible, with her front feet on a slight incline.
2. At what age should a brucellosis vaccination be given to a calf?
a) 2-6 months
b) 3 months
d) 8 months
Explanation: For active immunization of female cattle calves and buffalo’s calves against Brucella abortus infection brucellosis vaccination should be administered. It should be administered at the age of 2-6 months.
3. What is a group of dairy cattle called?
Explanation: Herd is a large group of animals, especially hoofed mammals that live together or are kept together as livestock.
4. What are two important sire selection tools?
a) Predicted Difference and repeatability
b) Predicted life
c) Predicted death
d) Predicted age
Explanation: Bull selection presents an important opportunity to enhance the profitability. Predicted difference and repeatability are two very important sire selection tools.
5. What are two ways to identify a calf?
I. photos or color sketches
II. freeze bands, ear tags
III. neck chain, ankle straps
a) I only
b) II only
c) II and III
d) I, II, III
Explanation: Photos, color sketches help in calf identification. Freeze bands, ear tags, neck chains and ankle chains also aid in indentifying the calf.
6. What is the largest single part of all living things?
Explanation: Body is made up of approximately 80% water. It is the largest portion of any living body.
7. When posing a dairy cow, why are the back legs set up so the one nearest the judge is one half steps forward?
a) rear and fore udder attachment
Explanation: When posing and showing a dairy animal, stay on the animal’s left side and stand .For cows and springing heifers, the hind leg nearest the judge should be.hind foot must be one and half foot back.
8. An IBR-PI, pneumonia vaccination should first be given to a calf at what month of age?
b) 4 months
c) A year
d) 8 months
Explanation: – Mostly a disease of older cattle but may contribute to calf pneumonia on IBR positive farms. All cattle and calves can be given a live vaccine in the face of an outbreak. The vaccine should be administered 4 months after the birth.
9. What is a baby dairy cow called?
Explanation: A calf (plural, calves) is the young of domestic cattle. Calves are reared to become adult cattle, or are slaughtered for their meat, called veal, and for their calf skin.
10. Who calculates the official USDA DHIA Sire Summary?
Explanation: USDA-DHIA Sire Summaries are published semiannually and provide the dairy industry with an accurate evaluation of the transmitting ability of bulls for milk and milk components. It is calculated by USDA.
11. How long the cherry hot electric dehorning iron should be applied to each horn button on a calf?
a) 10-15 sec
b) 15-20 sec
c) 1 min
d) 2 min
Explanation: Cherry hot electric dehorning iron is used to remove horns from cattle using the hot-iron method. It should not be applied for more than 10-15 sec.
12. What nutrient acts as a lubricant and regulates body heat?
a) Vitamin A
Explanation: Water is the best lubricant in human body, It also act as an excellent heat regulator in the body.
13. How should all movements and positioning of a dairy animal and her feet be accomplished?
a) halter command
b) feet pushing
c) body pushing
d) hand pushing
Explanation: Training an animal to lead by halter, this is required at shows and fairs. The latter involves unspoken and verbal commands between your animal and the master.
14. How many months prior to breeding a heifer should both leptospirosis and vibriosis vaccinations be given?
a) 1-2 prior to breeding
b) 3-4 prior to breeding
c) 4-5 prior to breeding
d) 6-7 prior to breeding
Explanation: Vibriosis vaccine is often combined with Leptospirosis in one vaccine. The use of artificial insemination is also valuable in limiting disease spread. It should be administered 1-2 months prior to breeding a heifer.
15. What is the most common of all dairy foods?
Explanation: Milk is the most common dairy food. It is the basic raw material of several other dairy products.
Sanfoundry Global Education & Learning Series – Dairy Engineering.
To practice all areas of Dairy Engineering, here is complete set of 1000+ Multiple Choice Questions and Answers.