September 5, 2025Open Access

Effects of Calcium Propionate Supplementation Levels in Postpartum Dairy Cows on Productive Performance, Milk Mineral Composition, and Fatty Acid Profiles

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Observational analysis shows calcium propionate improves milk yield and mineral composition in dairy cows, suggesting optimal levels for management.

Calcium propionate supplementation increased milk yield during peak lactation, particularly in the 350 g/d group.
Milk potassium concentrations responded quadratically, with higher values in lower and higher supplementation groups.
Increasing calcium propionate levels led to a linear decline in short-chain fatty acid proportions in milk.
The 350 g/d calcium propionate level optimized lactation performance while maintaining beneficial milk composition.

Zhang et al. (2025) studied this question.

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Observational analysis shows calcium propionate improves milk yield and mineral composition in dairy cows, suggesting optimal levels for management.