Q: If a dairy cow produces approximately 50 gallons of saliva per day, what is the total volume produced in liters? (1 gallon = 3.785 liters)

$$50 \times 3.785 = 189.25$$ liters

Q: Which of the following best describes the purpose of a 'hand' in equine terminology?

A unit of measurement for horse height ($$1 \text{ hand} = 4$$ inches)

Question 1

Which of the following products is NOT typically obtained from sheep?

Accepted Answer

Eggs

Question 2

Which breed of sheep is most commonly associated with producing the highest quality fleece?

Accepted Answer

Merino

Question 3

A dairy cow typically produces milk for a certain period after calving. If the lactation period lasts for 305 days, what is the term for the remaining days in the year?

Accepted Answer

Dry period

Question 4

Which dairy cattle breed is known for producing milk with the highest fat and protein content?

Accepted Answer

Jersey

Question 5

Crossbreeding in livestock production is primarily used to achieve which of the following outcomes?

Accepted Answer

Enhance hybrid vigor (heterosis)

Question 6

Which of the following is the technical term for hybrid vigor?

Accepted Answer

Heterosis

Question 7

A Standardbred horse is most appropriately used for which purpose?

Accepted Answer

Driving

Question 8

Which poultry breed was developed specifically for commercial egg production?

Accepted Answer

Leghorn

Question 9

Which two countries house the greatest amounts of cattle worldwide?

Accepted Answer

United States and Brazil

Question 10

Which dairy cattle breed is known for producing golden-colored milk due to high beta-carotene content?

Accepted Answer

Guernsey

Question 11

If a dairy heifer is typically bred at 15 months of age, and the gestation period for cattle is approximately 9 months, at what age will she calve for the first time?

Accepted Answer

24 months

Question 12

Which of the following is NOT a reason why animal breeds are developed?

Accepted Answer

To reduce genetic improvement

Question 13

Which of the following equations best represents the concept of hybrid vigor in crossbreeding?

Accepted Answer

$$H = (F_1$ - 	ext{mean of parents})$$

Question 14

Which animal species is NOT commonly used for human milk consumption?

Accepted Answer

Chicken

Question 15

A beef breed with a characteristic black and white belt color pattern is most likely:

Accepted Answer

Belted Galloway

Question 16

If a dairy cow produces approximately 50 gallons of saliva per day, what is the total volume produced in liters? (1 gallon = 3.785 liters)

Accepted Answer

$$50 	imes 3.785 = 189.25$$ liters

Question 17

Which of the following is a maternal swine breed commonly used for its mothering ability?

Accepted Answer

Yorkshire

Question 18

Which term refers to a mature female sheep?

Accepted Answer

Ewe

Question 19

Which of the following is a primary reason for using crossbreeding in beef cattle production?

Accepted Answer

To combine desirable traits from two breeds

Question 20

Which of the following best describes the purpose of a 'hand' in equine terminology?

Accepted Answer

A unit of measurement for horse height ($$1 	ext{ hand} = 4$$ inches)

Animal Breeds, Products, and Terminology: Study Notes for General Biology

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드