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Related Experiment Videos

Nutrition and mastitis

R J Erskine1

  • 1Department of Large Animal Clinical Sciences, Michigan State University College of Veterinary Medicine, East Lansing.

The Veterinary Clinics of North America. Food Animal Practice
|November 1, 1993
PubMed
Summary
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Proper nutrition, particularly antioxidants like selenium (Se), vitamin A, and vitamin E, enhances mammary gland resistance to infection. Monitoring herd antioxidant status is crucial for mastitis control programs.

Area of Science:

  • Veterinary Immunology
  • Animal Nutrition
  • Dairy Science

Background:

  • Nutrition significantly influences mammary gland resistance to infection.
  • Antioxidants play a key role in this nutritional influence.
  • Rations require careful balancing for the lactational stage to optimize this interaction.

Purpose of the Study:

  • To highlight the critical role of antioxidants in mammary resistance.
  • To emphasize the need for monitoring herd antioxidant status within mastitis control programs.
  • To provide recommendations for selenium (Se), vitamin A, and vitamin E supplementation.

Main Methods:

  • Review of existing evidence on nutrition and mammary resistance.
  • Focus on the role of antioxidants, specifically selenium, vitamin A, and vitamin E.

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  • Discussion of monitoring strategies and supplementation approaches.

    • Main Results:

    • Antioxidant supplementation enhances mammary resistance to infections, particularly during the dry and early postpartum periods.
    • Dry cows and heifers are often marginally supplemented with Se, increasing mastitis risk.
    • Low soil selenium levels (<0.1 ppm) necessitate herd testing and potential supplementation.

    Conclusions:

    • Monitoring herd antioxidant status is critical for effective mastitis control.
    • Supplementation with selenium, vitamin A, and vitamin E can improve mammary resistance.
    • Dietary adjustments and sustained-release selenium boluses are recommended when suboptimal levels are detected.