Impact of rumen-protected glucose on performance, milk composition, and selected blood metabolites of early lactating Holstein Friesian cows
2024

Impact of Rumen-Protected Glucose on Dairy Cows

Sample size: 32 publication Evidence: high

Author Information

Author(s): Yu Hairui, Rahman Abdur, Rahman Hafeez Ur, Khan Muhammad, Mushtaq Maida, Quan Guobo, Zafar Muhammad Hammad, Li Zijian, Rahman Muhammad Aziz Ur

Primary Institution: Weifang University, Weifang, China

Hypothesis

Dietary RPG supplementation could optimize lactating dairy cows’ production performance and health.

Conclusion

RPG supplementation at 450 g/day improves milk production, quality, and metabolic health in early lactating cows.

Supporting Evidence

  • Final body weight increased with RPG supplementation, especially at 450 g/day.
  • Milk yield and energy-corrected milk were significantly greater in supplemented groups.
  • Milk lactose and solids-not-fat contents increased significantly with RPG supplementation.
  • Blood glucose levels rose, while non-esterified fatty acids and β-hydroxybutyric acid concentrations decreased.

Takeaway

Feeding cows a special type of glucose helps them produce more milk and stay healthy after giving birth.

Methodology

The study involved 32 early-lactation Holstein Friesian cows divided into four groups, each receiving different levels of RPG supplementation over a 42-day trial.

Limitations

Potential for higher RPG dosages to induce insulin resistance.

Participant Demographics

Early-lactation Holstein Friesian cows, average 6 days in milk.

Statistical Information

P-Value

<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3389/fvets.2024.1498357

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