The Importance of Fertility Monitoring in Livestock Farming
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Questions and Answers

Which type of enterprise is fertility most important for?

  • Pigs
  • Sheep
  • Dairy
  • Beef (correct)

    • What does the lactation curve graph show?

  • The longer it takes for cows to be pregnant, the longer they spend at lower lactation levels (correct)
  • The longer it takes for cows to be pregnant, the higher their lactation levels
  • The shorter it takes for cows to be pregnant, the longer they spend at lower lactation levels
  • The shorter it takes for cows to be pregnant, the higher their lactation levels

    • Why is it difficult to establish where fertility is going wrong?

  • Fertility performance is always obvious when it goes wrong
  • Fertility performance can be poor without obvious signs (correct)
  • Fertility performance is not important for enterprises
  • Fertility performance is easy to measure

    • Which type of enterprise aims to produce 1 calf per cow per year?

    <p>Beef</p> Signup and view all the answers

    Which type of enterprise aims for 2 lambs per sheep?

    <p>Sheep</p> Signup and view all the answers

    Which type of enterprise aims for as many piglets as possible per year?

    <p>Pigs</p> Signup and view all the answers

    Which type of enterprise is the number of offspring not highly relevant?

    <p>Dairy</p> Signup and view all the answers

    What type of measure is used to determine the number of litters each sow can fit into a year and how many piglets are produced each time?

    <p>Piglets/sow/year</p> Signup and view all the answers

    What type of measure is used to determine the lambs produced per sheep?

    <p>Lambing percentage</p> Signup and view all the answers

    What type of measure is used to determine the number of calves per cow per year?

    <p>Calving rate</p> Signup and view all the answers

    Which of the following measures is highly useful in dairy systems but doesn't measure offspring?

    <p>Proportion culled as infertile</p> Signup and view all the answers

    What is the definition of 'pregnancies per unit time'?

    <p>The percentage of eligible cows served in a specific time period</p> Signup and view all the answers

    In a 150 cow dairy herd, if 30 cows are in calf and 20 cows are in the voluntary wait period, how many cows are eligible to be bred in a 3 week period?

    <p>100 cows</p> Signup and view all the answers

    If 60 out of 100 eligible cows got served in a 3 week period, what is the submission rate?

    <p>60%</p> Signup and view all the answers

    If 20 out of 100 eligible cows got pregnant in a 3 week period, what is the 21-day pregnancy rate?

    <p>20%</p> Signup and view all the answers

    What does the conception rate measure?

    <p>The proportion of successful serves that led to pregnancy</p> Signup and view all the answers

    If the overall 21-day pregnancy rate is poor, what should be measured next?

    <p>Conception rate</p> Signup and view all the answers

    Which aspect of the process does the conception rate measure?

    <p>Sire</p> Signup and view all the answers

    What does the submission rate measure?

    <p>The percentage of eligible cows served in a specific time period</p> Signup and view all the answers

    If the conception rate is poor, what aspects of the process should be measured next?

    <p>Days in milk</p> Signup and view all the answers

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