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First Calf

References

Production of a Holstein

  • Holstein cows have the highest production rate of any cow breed
  • The Holstein can produce around 11,000 litres of milk each lactation (after giving birth) and approximately 35 litres a day
  • Bernie Kamphof, Dairy Farmer
  • www.holsteinusa.com
  • http://en.wikipedia.org/wiki/Holstein_Friesian_cattle
  • http://www.wikihow.com/Artificially-Inseminate-Cows-and-Heifers
  • A dairy cow has her first calf around 24 months old.
  • On average, she gives birth to 6 calves in a lifetime, and produces 60,000 litres of milk.

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Breeding

Growth of Cows

  • This is the point when a cow is ready to have her first calf, around 15 months.
  • Most dairy cows are artificially inseminated.
  • There is a 60-70% chance of the cow to become successfully pregnant with artificial insemination.
  • Birth
  • Weaning at 6-8 weeks
  • Breeding at 15 months
  • First calf at 24 months

The Life Cycle of a Dairy Cow

Table of Contents

and other facts

Birth

Weaning

  • Growth
  • Anatomy
  • Diet
  • Production
  • Credits
  • These are the first days of a calf's life.
  • Over 90% of births are successful.
  • A newborn calf is approximately 40 kg.
  • A newborn is typically fed pasteurized milk, so there is a lower chance of disease or infection (versus their mother's milk).
  • A calf starts weaning (getting taken off a diet of primarily milk) at 6-8 weeks.
  • Most calves do not drink their mother's milk up until now, but are fed pasteurized or powdered milk.
  • This is the time the calf changes to an adult diet.

Food Consumption

Anatomy of a Holstein

  • A full grown Holstein has 32 permanent teeth.
  • She has no teeth on the top jaw, but instead a tough piece of skin called a dental pad.
  • A cow has four stomachs to digest the tough food they eat.
  • The diet of a dairy cow consists of:
  • Grass
  • Hay
  • Corn silage
  • Alfalfa silage
  • Barley
  • Soy beans
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