If a slide of bull semen shows curled tails, what is the recommended follow-up action?

In cases where a slide of bull semen shows curled tails, this observation is often indicative of potential damage to the spermatozoa, which could be due to various reasons such as suboptimal handling or storage conditions. However, the curls can also be a transient issue, reflecting the viability of the sample at that moment.

The recommended follow-up action of rechecking in 60 days allows time for any potential underlying issues to either resolve naturally or lead to clearer manifestations of any ongoing concerns. It provides an opportunity for the sperm to be evaluated again under the same conditions, ensuring that any inconsistencies observed are monitored over time, which is crucial for accurate assessment of fertility potential.

In such scenarios, immediate discarding of the sample, analysis in a laboratory, or altering storage conditions may not be necessary or effective without further data on the sample's viability and the factors affecting it. Thus, rechecking in a set timeframe is a prudent approach to determine if the initial observations reflect a significant fertility issue or if they were an anomaly.