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Lipid nutrition.

R S Emery1, T H Herdt

  • 1Department of Animal Science, Michigan State University College of Veterinary Medicine, East Lansing.

The Veterinary Clinics of North America. Food Animal Practice
|July 1, 1991
PubMed
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High-producing dairy cows benefit from supplemental fat, but it must be introduced gradually. Careful monitoring of feed intake is crucial to avoid negative impacts on nutrition for dairy cows.

Area of Science:

  • Animal Science
  • Dairy Nutrition
  • Ruminant Nutrition

Background:

  • Early lactation and high-producing dairy cows (over 80 lb/day) have increased energy demands.
  • Supplemental fat can meet these energy needs but requires careful management.

Purpose of the Study:

  • To outline optimal strategies for supplementing fat in dairy cow diets.
  • To provide guidelines on fat inclusion levels and sources for dairy cattle.

Main Methods:

  • Dietary fat supplementation strategies for dairy cows.
  • Monitoring feed intake and adjusting fat inclusion levels.
  • Consideration of different fat sources: oilseeds, commodity fats, and specialty fats.

Main Results:

Related Experiment Videos

  • Gradual introduction of supplemental fat over several weeks is necessary.
  • Maximum supplemental fat should not exceed 4-5% of dry matter intake.
  • Specific fat sources (oilseeds, commodity, specialty) are recommended for different inclusion percentages.

    • Conclusions:

    • Supplemental fat is beneficial for high-producing cows when managed correctly.
    • Dietary adjustments, including increased calcium, magnesium, and undegraded protein, are needed with fat supplementation.
    • Fat should be used judiciously as an energy source due to cost relative to feed grains.