Raising Replacement Heifers (1 Year to Breeding)
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Questions and Answers

What is the target breeding weight for a larger dairy breed by 15 to 18 months of age?

  • 250 kgs
  • 350 kgs (correct)
  • 400 kgs
  • 300 kgs

What is the recommended daily feed intake for a recently weaned calf at 4 months of age?

  • 5.5 kgs
  • 4.5 kgs
  • 2.5 kgs
  • 3.6 kgs (correct)

What percentage of the total ration should grain contribute to by the time the calf is one year old?

  • Less than 25% (correct)
  • Less than 35%
  • Less than 15%
  • Less than 45%

What is the target growth rate for a small-sized dairy breed like Jersey?

<p>0.5 kg/d (C)</p> Signup and view all the answers

What is the minimum crude protein percentage recommended for good quality forage?

<p>12% CP (C)</p> Signup and view all the answers

What is the expected body weight of a replacement heifer by 6 months of age?

<p>120-150 kgs (A)</p> Signup and view all the answers

What is the target daily weight gain for a replacement heifer during the period from 1 year to breeding?

<p>0.75-0.9 kg/d (C)</p> Signup and view all the answers

What is the target weight for a Holstein heifer at breeding age?

<p>350 kg (A)</p> Signup and view all the answers

Why should the concentrate level be increased during the last trimester of pregnancy?

<p>To support the rapid growth of the fetus (A)</p> Signup and view all the answers

What is the recommended amount of grain to feed a replacement heifer during the last 2 months of pregnancy?

<p>1% of BWT (B)</p> Signup and view all the answers

Why should the amount of salt be limited in the last 2 weeks of pregnancy?

<p>To reduce the risk of udder edema (C)</p> Signup and view all the answers

What is the purpose of feeding lead feed to heifers within 1 month of calving?

<p>To prepare the rumen for high concentrate feeding (B)</p> Signup and view all the answers

What is the primary factor in determining when to wean a heifer calf?

<p>Ability of the calf to consume sufficient dry feed (D)</p> Signup and view all the answers

What is the target weight range for larger breeds at 3 months of age?

<p>85-95 kg (B)</p> Signup and view all the answers

What is the minimum amount of starter grain a calf should consume daily before weaning?

<p>1 kg (C)</p> Signup and view all the answers

What is the role of quality green forage material in the development of a replacement heifer?

<p>It enhances the development of the rumen microflora (D)</p> Signup and view all the answers

At what age can weaning occur in some places?

<p>3 weeks of age (D)</p> Signup and view all the answers

What is the characteristic of a replacement heifer at 3 months of age?

<p>It has a high appetite for forages (B)</p> Signup and view all the answers

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