ANSC 2050 FINAL EXAM QUESTIONS WITH VERIFIED
ANSWERS
Dairy Industry Today Includes: - Answers - Dairy farmer who produces the milk.
Processor who provides a variety of dairy products.
Retailer who bring a variety of dairy products.
Retailers who bring products to consumer.
Any of the three may be vertically integrated.
Dairying - Answers - the science and business that deals with the production,
processing and marketing of milk and milk products.
The Dairy Industry - Answers - Milk: universal food and the most nearly perfect.
Dairy Cow: "Basic Unit".
No wonder she has been called the "Foster Mother of the Human Race".
U.S. Dairy Industry - Answers - 218 Billion LBS. Total Milk Produced.
9.4 Million Head of Dairy Cattle.
37,468 Dairy Herds.
234 cows/herd Average herd size.
23,149 Lbs./cow/Year.
Louisiana Dairy Industry - Answers - 135,000 million Lbs. total milk produced.
41st in the US.
10,000 head of dairy cattle.
75 Dairy herds.
133 cows/herd Avg. herd size.
13,400 Lbs./cow/Year 47th in US.
,Top 5 States for Dairy Total Production - Answers - 1. California.
2. Wisconsin.
3. Idaho.
4. New York.
5. Texas.
41. Louisiana.
Factors that Influence Number of Dairy Cows: - Answers - Supply and Demand
*Cow numbers decrease when production/cow out paces demand cull cows sold to beef
sector.
*Cow numbers increase when demand out paces production heifer growers supply
replacement heifers.
Factors that Influence Production per Cow: - Answers - *Improved genetics.
*Better nutrition.
*Better herd health.
*Improvement in overall herd management.
Important Breeds in the USA: Dairy Cattle - Answers - 1. Ayrshire.
2. Brown Swiss.
3. Guernsey.
4. Holstein.
5. Jersey.
6. Milking Shorthorn.
7. Red and White (Holstein).
Dairy Cattle in the USA - Answers - Breeds selected for the production of milk.
Breeds combined represent at least 95% of dairy cattle in the US.
American angularity-refers to type.
*Single purpose vs Dual purpose (Genetic selection for dairy traits).
Large body weight.
Large body capacity.
,Success story (DHIA, AI, Progeny test, Genomics?).
Ayrshire - Answers - Ayr country (Southwestern Scotland).
White and red spots typically with jagged edges;
Medium sized cows (1,200 lbs.);
Strong, rugged animals, grazers.
17,000 pounds of milk with 663 pounds of fat and 561 pounds of protein;
Convert less carotene to Vitamin A.
Brown Swiss - Answers - Swiss Alps;
Can be grey, dark brown, tan or even almost white in color;
Large framed cows (1,300-1,500 lbs.), but docile;
More heat tilerant?
The average 305d ME for Brown Swiss is 21,000 pounds of milk 840 pounds of fat, and
735 pounds of protein.
Guernsey - Answers - Channel Island: Isle of Guernsey;
Crosses from French breeds;
Intermediate body frame;
High butterfat and protein milk;
Convert less carotene to vitamin A;
Good grazers, temperament;
15,000 pounds of milk 675 pounds of fat, and 525 pounds of protein.
Holstein - Answers - Originated from Batavian and Friesian cattle in the Netherlands;
Large body frame (1,500 lbs.) 58 in tall;
Efficient cows;
25,558 pounds of milk, 946 pounds of fat and 790 pounds of protein in 365 d;
, World's Dairy Breed Association (Holstein Association USA).
Jersey - Answers - Channel Island: Island of Jersey;
Crosses from French breeds;
Small body frame. Red, red and white, cream, cream and white, or dark brown to black;
High butterfat and protein milk;
More heat tolerant?
Good grazers, temperament;
18,00 pounds of milk 868 ponds of fat, and 659 pounds of protein.
Milking Shorthorn - Answers - Northeastern England;
Among oldest recognized breeds;
Medium framed. Red, red and white, or white or roan;
Versatile breed ( triple purpose), docile;
Recent improvements in dairy characteristics (dairy type and udder).
Dairy Production Labor Intensive? - Answers - Nutrition Management.
Calving Management.
Calf and Heifer Management.
Reproductive Management.
Milking and Mastitis Management.
Cow Management.
Records Management.
A day in the life of a dairy cow: - Answers - Eating: 3-5 hours (9-14 meals per day).
Lying down or resting: 12-14 hours.
ANSWERS
Dairy Industry Today Includes: - Answers - Dairy farmer who produces the milk.
Processor who provides a variety of dairy products.
Retailer who bring a variety of dairy products.
Retailers who bring products to consumer.
Any of the three may be vertically integrated.
Dairying - Answers - the science and business that deals with the production,
processing and marketing of milk and milk products.
The Dairy Industry - Answers - Milk: universal food and the most nearly perfect.
Dairy Cow: "Basic Unit".
No wonder she has been called the "Foster Mother of the Human Race".
U.S. Dairy Industry - Answers - 218 Billion LBS. Total Milk Produced.
9.4 Million Head of Dairy Cattle.
37,468 Dairy Herds.
234 cows/herd Average herd size.
23,149 Lbs./cow/Year.
Louisiana Dairy Industry - Answers - 135,000 million Lbs. total milk produced.
41st in the US.
10,000 head of dairy cattle.
75 Dairy herds.
133 cows/herd Avg. herd size.
13,400 Lbs./cow/Year 47th in US.
,Top 5 States for Dairy Total Production - Answers - 1. California.
2. Wisconsin.
3. Idaho.
4. New York.
5. Texas.
41. Louisiana.
Factors that Influence Number of Dairy Cows: - Answers - Supply and Demand
*Cow numbers decrease when production/cow out paces demand cull cows sold to beef
sector.
*Cow numbers increase when demand out paces production heifer growers supply
replacement heifers.
Factors that Influence Production per Cow: - Answers - *Improved genetics.
*Better nutrition.
*Better herd health.
*Improvement in overall herd management.
Important Breeds in the USA: Dairy Cattle - Answers - 1. Ayrshire.
2. Brown Swiss.
3. Guernsey.
4. Holstein.
5. Jersey.
6. Milking Shorthorn.
7. Red and White (Holstein).
Dairy Cattle in the USA - Answers - Breeds selected for the production of milk.
Breeds combined represent at least 95% of dairy cattle in the US.
American angularity-refers to type.
*Single purpose vs Dual purpose (Genetic selection for dairy traits).
Large body weight.
Large body capacity.
,Success story (DHIA, AI, Progeny test, Genomics?).
Ayrshire - Answers - Ayr country (Southwestern Scotland).
White and red spots typically with jagged edges;
Medium sized cows (1,200 lbs.);
Strong, rugged animals, grazers.
17,000 pounds of milk with 663 pounds of fat and 561 pounds of protein;
Convert less carotene to Vitamin A.
Brown Swiss - Answers - Swiss Alps;
Can be grey, dark brown, tan or even almost white in color;
Large framed cows (1,300-1,500 lbs.), but docile;
More heat tilerant?
The average 305d ME for Brown Swiss is 21,000 pounds of milk 840 pounds of fat, and
735 pounds of protein.
Guernsey - Answers - Channel Island: Isle of Guernsey;
Crosses from French breeds;
Intermediate body frame;
High butterfat and protein milk;
Convert less carotene to vitamin A;
Good grazers, temperament;
15,000 pounds of milk 675 pounds of fat, and 525 pounds of protein.
Holstein - Answers - Originated from Batavian and Friesian cattle in the Netherlands;
Large body frame (1,500 lbs.) 58 in tall;
Efficient cows;
25,558 pounds of milk, 946 pounds of fat and 790 pounds of protein in 365 d;
, World's Dairy Breed Association (Holstein Association USA).
Jersey - Answers - Channel Island: Island of Jersey;
Crosses from French breeds;
Small body frame. Red, red and white, cream, cream and white, or dark brown to black;
High butterfat and protein milk;
More heat tolerant?
Good grazers, temperament;
18,00 pounds of milk 868 ponds of fat, and 659 pounds of protein.
Milking Shorthorn - Answers - Northeastern England;
Among oldest recognized breeds;
Medium framed. Red, red and white, or white or roan;
Versatile breed ( triple purpose), docile;
Recent improvements in dairy characteristics (dairy type and udder).
Dairy Production Labor Intensive? - Answers - Nutrition Management.
Calving Management.
Calf and Heifer Management.
Reproductive Management.
Milking and Mastitis Management.
Cow Management.
Records Management.
A day in the life of a dairy cow: - Answers - Eating: 3-5 hours (9-14 meals per day).
Lying down or resting: 12-14 hours.
