Recent research highlights the significant role of omega-3 fatty acids in enhancing the longevity and survival of dairy cows. Conducted by David Sheedy, a researcher at Dairy UP, the findings will be presented at the **2025 Dairy Research Foundation Symposium** in Wollongong on **November 26 and 27**. This study opens new avenues for optimizing cow longevity through nutritional strategies.
According to Sheedy, “With each additional lactation, the likelihood of reproductive and health problems increases.” Currently, dairy farmers often sell cows at a younger age to mitigate these risks, which may not align with the optimal lifespan of the animals. “If we can reduce the metabolic issues that occur with increasing age, producers could run herds that are more flexible, resilient, and profitable,” he added.
Sheedy’s research focused on metabolic and fat markers associated with longevity in dairy cows, analyzing nearly **2,000 blood samples** from **29 Australian dairy herds**. The study revealed a significant decline in blood levels of omega-3 fats as cows age.
“Boosting omega-3 levels through supplementation could lead to meaningful improvements in survival rates, presenting substantial potential gains for herd longevity,” Sheedy noted. The research suggests that targeted nutritional interventions may enhance health and reproductive outcomes for older cattle.
Exploring Omega-3 Supplementation Strategies
Following these promising findings, the Dairy UP team is investigating omega-3 supplementation strategies, particularly through marine-sourced products that are rich in omega-3 fatty acids. The aim is to assess the long-term impacts on cattle health, reproduction, and survival under Australian conditions.
The implications of this research extend beyond individual farmers and herds. Increased cow longevity could result in more sustainable dairy production practices and improved profitability for producers. As the dairy industry faces growing pressure to enhance animal welfare and operational efficiency, these insights into nutrition and cow longevity come at a critical time.
To learn more about the Dairy Research Foundation Symposium, interested parties can visit **drfsymposium.com.au** for additional details. For further information about Dairy UP and their ongoing research, please visit **www.dairyup.com.au**.
This groundbreaking research underscores the importance of nutrition in livestock management and opens the door for future studies aimed at improving animal health and productivity in the dairy sector.


































