How Seasonality and Maternal Metabolic Profile Affect Calf Health

05 Sep 2024

How Seasonality and Maternal Metabolic Profile Affect Calf Health

A recent study highlights the impact of maternal metabolic profile and seasonality on the health and metabolism of Holstein calves.

Led by Fernanda Carolina Ramos dos Santos and her team from the University of São Paulo and the Federal University of Paraná, the study examines how these factors influence the health and immunity of calves during their first month of life.

Influence of Maternal Metabolic Profile

The study evaluated 28 Holstein cows and their calves, divided into two groups based on high or low levels of various maternal metabolic variables:

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Significant differences were found between calves from high and low BCS mothers.

Cows with higher BCS tended to have larger calves, but these calves also had a higher prevalence of diarrhea. On the other hand, cows with lower BCS produced calves with a stronger innate immune response, indicated by higher production of reactive oxygen species (ROS). Additionally, calves from cows with metabolic changes during parturition showed elevated Hp concentrations, a marker of inflammation.

These results underscore the importance of the prenatal period in determining neonatal health and suggest that maternal metabolic factors may have lasting effects on calf health and growth.

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Effects of Seasonality

The study also compared calves born in spring and winter, finding that spring-born calves were larger but had lower concentrations of IgG and a reduced innate immune response compared to those born in winter. They also showed higher concentrations of Hp and a greater prevalence of diarrhea by day 28.

This suggests that seasonality may influence neonatal health, possibly due to different climatic and management conditions.

Implications for Livestock Management

These findings have important implications for reproductive and health management in the dairy industry. The study suggests that proper management of the cows’ metabolic profile during gestation and consideration of seasonal effects can improve calf health and immunity. It also highlights the need for adequate maternal nutrition to ensure good fetal development and better neonatal immune response.

This study provides insight into how maternal metabolic factors and seasonality affect the health and immunity of Holstein calves. Its results could guide future management practices to enhance reproductive efficiency and livestock health.

Read full study: dos Santos, F. C. R., Santarosa, B. P., Dal Más, F. E., da Silva, K. N., do Prado Guirro, É. C. B., & Gomes, V. (2024). Effects of dam metabolic profile and seasonality (Spring vs. Winter) on their offspring’s metabolism, health, and immunity: maternal factors in dairy calves’ analytes. Frontiers in Veterinary Science. https://www.frontiersin.org/articles/10.3389/fvets.2024.1424960/full

You may also like to read: Boosting Dairy Nutrition: FTMR’s Impact on Holstein Cow”

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