Author Question: Between 1940 and 2005, there has been a dramatic ______ in dairy cows in the United States, while ... (Read 63 times)

Arii_bell

  • Hero Member
  • *****
  • Posts: 596
Between 1940 and 2005, there has been a dramatic ______ in dairy cows in the United States, while the yield of milk per cow has substantially _______.
 
  a. increase/increased c. decrease/increased
  b. increase/decreased d. decrease/decreased

Question 2

Which of these management approaches has had the greatest impact on the steady increase in yield in dairy production?
 
  a. improved management c. improved nutrition
  b. availability of bST d. quantitative genetics



xiaomengxian

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

C

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

For a complete list of videos, visit our video library