Diagnostic aids for the detection of urine in the equine ejaculate.

The research article investigates the effectiveness of three commercially available test kits, Azostix, Multistix and Uric-acid test, for detecting urine in horse semen. The findings showed that Azostix and Multistix were reliable and cost-effective for this purpose, while the Uric-acid test was inaccurate.

Objective and Methodology

• The objective of the study was to evaluate the accuracy of three commercially available diagnostic test kits: Azostix, Multistix, and Uric-acid test, in detecting urine contamination in equine ejaculate.
• The three kits were tested on equine semen samples which had been either uncontaminated or contaminated with urine.
• The presence of urine in the samples was identified through color change in the reagents of the test kits.

Findings

• Azostix turned out to be dependable for the detection of urea nitrogen (an evidence of urine contamination) in equine ejaculate, changing its color from yellow to green when it came in contact with contaminated samples.
• The Multistix test kit was also successful in detecting urine in semen by changing its color from yellow to orange when exposed to contaminated semen for about 3.5 minutes.
• However, the Uric-acid test kit was inaccurate. It elicited false-positive results in all control trials, meaning it indicated the presence of urine even when the samples were not contaminated.

Conclusions

• The study concluded that both Azostix and Multistix were reliable and cost-effective diagnostic aids for detecting urine in stallion ejaculate.
• Both tests were priced at $1.25 per analysis, making them affordable for routine checks.
• On the other hand, the Uric-acid test kit was found to be incorrect and unreliable for the detection of urine in equine ejaculate.