Vitamin E concentrations in hospitalized adult horses and foals.

This study aimed to understand the prevalence of vitamin E deficiency in horse patients at a referral hospital during admission and discharge. The research found that 12.7% of horses demonstrating a deficiency upon admission, an issue more prevalent among adults than young foals. The researchers concluded that vitamin E deficiency is a significant problem in the horse community, but hospitalization did not appear to worsen the condition.

Research Methodology

• The researchers designed a prospective cohort study, investigating cases of client-owned horses who were either admitted as patients or companions at a veterinary tertiary referral center. These horses were brought in via the emergency service.
• Any horses receiving vitamin E supplementation were excluded from the procedure to avoid skewed results.
• At the time of admission, whole blood was collected from each horse for analysis. If the horse was hospitalized for a minimum of 5 days, another sample was taken at the time of discharge.
• Vitamin E concentrations in the blood were assessed using high-performance liquid chromatography, a popular technique for identifying and quantifying components in mixtures.

Findings

• The study found that 12.7% of all horses exhibited vitamin E deficiency upon admission. In adult horses, the percentage was slightly higher (16.5%) compared to young foals (5.5%).
• For horses hospitalized for at least five days, the prevalence of vitamin E deficiency was 6.7% at discharge. Notably, no foals were found deficient at discharge, while 10% of the adult horse group were.

Significance and Implications

• The researchers determined that the duration of hospitalization did not significantly impact the horses’ vitamin E concentration. This suggests that staying in a hospital environment did not exacerbate the horses’ vitamin E deficiency.
• The study revealed that vitamin E deficiency is quite common in the population of horses studied. But, hospitalization doesn’t require vitamin E supplementation to maintain appropriate levels.
• The researchers urge regular screening of vitamin E levels in horses and supplementation wherever necessary, especially prioritizing attention on deficiency indications or the patient’s underlying disease mechanics.