18 Questions
What is the target breeding weight for a larger dairy breed by 15 to 18 months of age?
350 kgs
What is the recommended daily feed intake for a recently weaned calf at 4 months of age?
3.6 kgs
What percentage of the total ration should grain contribute to by the time the calf is one year old?
Less than 25%
What is the target growth rate for a small-sized dairy breed like Jersey?
0.5 kg/d
What is the minimum crude protein percentage recommended for good quality forage?
12% CP
What is the expected body weight of a replacement heifer by 6 months of age?
120-150 kgs
What is the target daily weight gain for a replacement heifer during the period from 1 year to breeding?
0.75-0.9 kg/d
What is the target weight for a Holstein heifer at breeding age?
350 kg
Why should the concentrate level be increased during the last trimester of pregnancy?
To support the rapid growth of the fetus
What is the recommended amount of grain to feed a replacement heifer during the last 2 months of pregnancy?
1% of BWT
Why should the amount of salt be limited in the last 2 weeks of pregnancy?
To reduce the risk of udder edema
What is the purpose of feeding lead feed to heifers within 1 month of calving?
To prepare the rumen for high concentrate feeding
What is the primary factor in determining when to wean a heifer calf?
Ability of the calf to consume sufficient dry feed
What is the target weight range for larger breeds at 3 months of age?
85-95 kg
What is the minimum amount of starter grain a calf should consume daily before weaning?
1 kg
What is the role of quality green forage material in the development of a replacement heifer?
It enhances the development of the rumen microflora
At what age can weaning occur in some places?
3 weeks of age
What is the characteristic of a replacement heifer at 3 months of age?
It has a high appetite for forages
Learn about the nutritional needs of replacement heifers during the 1-year period leading up to breeding. Understand the target weight and growth rate for Holstein and Jersey breeds.
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