Ella Gordon
Quiz by , created 10 months ago

Veterinary Medicine (BVMS4 ) Quiz on Cow Management + Production, created by Ella Gordon on 13/10/2023.

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Ella Gordon
Created by Ella Gordon 10 months ago
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Cow Management + Production

Question 1 of 13

1

Fill the blank spaces to complete the text.

-% of revenue in dairy farms is from the milk sales
-% of the variation in income from milk sales is due to reproductive management.

Explanation

Question 2 of 13

1

Most methods of income on a diary farm rely on what?

Select one of the following:

  • The farmer being able to administer drugs successfully

  • The farmer successfully monitoring BCS

  • A successful pregnancy

  • The lactation of the cow

Explanation

Question 3 of 13

1

T/F: the key between high and low-income dairy farmers is a higher rate of pregnancy

Select one of the following:

  • True
  • False

Explanation

Question 4 of 13

1

Fill the blank spaces to complete the text.

Marginal cost of production = what is the of In this case it is just the feed cost.

Explanation

Question 5 of 13

1

What does having a higher rate of production do for a farmer in terms of profit-making?

Select one of the following:

  • Dilute the fixed costs

  • Dilute the variable costs

  • Decrease the marginal cost of production

  • Erase the variable costs

Explanation

Question 6 of 13

1

T/F: in order to fix a problem with the biology of the cow (it is ill) you should look for better opportunities to get to a new profit level

Select one of the following:

  • True
  • False

Explanation

Question 7 of 13

1

When is the cow making profit for the farmer?

Select one of the following:

  • in the dry period

  • First 170 days of lactation

  • First 50 days of lactation

  • From 150 - 250 days after calving

Explanation

Question 8 of 13

1

T/F: you will have greater profit if you shorten the calving interval and return cows to calving quicker than before

Select one of the following:

  • True
  • False

Explanation

Question 9 of 13

1

What is true about the BCS in dairy cows?

Select one or more of the following:

  • It should remain roughly the same throughout the entire year

  • Having large changes in BCS will prolong the calving interval

  • Very thin cows will struggle to get into heat, and very heavy cows have a normal heat cycle

  • Fat cows have higher chance of metritis and fatty liver

  • Thin cows are a result of poor feeding, fat cows are not

  • First ovulation is greatly determined by BCS and important as the sooner the first ovulation happens the more likely they are to be in calf by 100 days in milk.

Explanation

Question 10 of 13

1

Fill the blank spaces to complete the text.

Looking for a lactation curve that peaks at - weeks and maintains that for another - weeks. (then start to drop at % per week)

Explanation

Question 11 of 13

1

The voluntary waiting period is the time after calving when not wanting the cow to be in calf/ mated
How long is it usually?

Select one of the following:

  • 40-50 days

  • 70-80 days

  • 20-30 days

  • 14-28 days

Explanation

Question 12 of 13

1

T/F: culling is an expense

Select one of the following:

  • True
  • False

Explanation

Question 13 of 13

1

The following are all measures for cow comfort but which is the most useful

Select one of the following:

  • Lying index (number lying cows Vs total in pen)

  • Free-stall use index (number of cows lying minus those not eating/drinking )

  • Cow comfort index (lying Vs lying and standing)

Explanation

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