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Strategic Supplementation Boosts Dairy Colostrum and Milk Quality

Strategic Supplementation Boosts Dairy Colostrum and Milk Quality

By Surangama Lehri Author

Strategic Supplementation Boosts Dairy Colostrum and Milk Quality

by Surangama Lehri 01 Sep 2025 0 comments

A new study in "Frontiers in Immunology" bySomagond SM et al. explores how targeted supplementation with trace minerals and vitamins before and after calving can enhance the health of dairy cows' mammary glands and improve the nutritive and immune-supporting value of colostrum and milk. These findings offer practical new strategies for optimizing animal health and supporting stronger immunity in newborn calves. 

What Was the Study’s Aim? 

The research aimed to determine whether parenteral (injected) supplementation with key vitamins and minerals around the time of calving could improve mammary gland health and raise the immunonutritional value of colostrum and milk in dairy cows. 

How Was the Study Conducted? 

  • Twenty-four cross-bred multiparous cows were grouped based on animal parity and projected yield. 

  • Cows were divided into four groups: control (no supplementation), multivitamin (A, B-complex, D₃, E), multi-mineral (Cu, Mn, Se, Zn), and a combined multivitamin/multi-mineral (MMMV) group. 

  • Supplements were given by injection in the weeks before and after calving. 

  • Researchers performed regular sampling of colostrum and milk and conducted detailed analyses of composition, immune factors, and indicators of mammary health from calving up to 30 days postpartum. 

What Were the Results? 

1. Cows receiving the combined MMMV regimen produced colostrum and milk with increased protein and fat, stable lactose levels, and higher concentrations of immune factors (insulin-like growth factors and immunoglobulins) compared to all other groups. 

2. Mammary health was markedly improved: 

  • Somatic cell counts were reduced. 
  • Immune cell (neutrophil-to-macrophage) ratios normalized. 
  • The phagocytic activity of milk immune cells increased. 

3. The immune environment shifted to a more anti-inflammatory state, with lower levels of pro-inflammatory cytokines (IL-1β, IL-6, IL-8, IL-17A, IFN-γ) and increased anti-inflammatory cytokines (IL-4, IL-10). 

4. Oxidative stress was significantly lowered in the MMMV group, shown by reduced antioxidant enzyme activity in milk whey. 

5. Milk and colostrum produced under this regimen offered enhanced nutritional and immune protection for calves. 

What’s the Takeaway? 

This pioneering study demonstrates that repeated injections of both vitamins and trace minerals around calving can dramatically improve mammary immunity, reduce inflammation, and optimize the quality of colostrum and milk. Such strategies not only help protect dairy cows’ health but also maximize the passive transfer of immunity to newborn calves—supporting healthier herds and better productivity. 

Keep following Wellness Extract’s research column for the finest in credible, science-backed wellness insights from around the world. 

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