Determination of total and ultrafilterable calcium and magnesium in normal equine serum.

The research examines the amounts of total and ultrafilterable calcium and magnesium in healthy horse blood using a simple and cost-effective procedure. The study found no significant differences depending on horse breed, gender, or pregnancy status.

Overview of the Study

• The study aims to determine the total and ultrafilterable calcium (Ca) and magnesium (Mg) concentrations in normal equine serum, focusing on different types of horses such as Shetland pony stallions, stallions, and pregnant and diestrous mares.
• The researchers used an inexpensive, straightforward procedure to obtain an ultrafiltrate of serum, which isolates the soluble components of the blood for further analysis.

Findings of the Study

• There was no significant variation in the Ca and Mg values between different types of horses, whether horse or pony, stallion or mare, pregnant or not.
• The proportion of total serum Ca that was ultrafilterable was 63.4±1.7% for horses and 64.8±2.2% for ponies, indicating a comparable level of these minerals in the filtered serum of the two groups.
• The total serum concentrations of Ca and Mg were noted, with horses having 12.56±0.26 mg/dl and 2.18±0.29 mg/dl, respectively, and ponies having somewhat similar values.

Applications of the Technique

• The ultracentrifugation method used in this study can be combined with specific assays to find out the ionized forms of the minerals. It can also be linked with ion electrodes to calculate the protein-bound, ionized, or complexed and chelated forms of Ca and Mg present in the equine blood serum
• The simplicity and cost-effectiveness of this technique make it advantageous for broad applications in equine health monitoring, nutrition, or possible disease detection.