Final answer:
The exact timeframe for semen samples to reach the lab is not explicitly stated, but temperature and timing are key for maintaining sperm quality, with certain samples analyzed within a benchmark of 26 minutes.
Step-by-step explanation:
When handling semen samples for analysis or cryopreservation, time-sensitive protocols are crucial to ensure the viability of the sperm. The information provided does not explicitly state a precise time for how quickly semen samples must reach the lab.
However, in the context of semen analysis and processing for cryopreservation, the temperature and timing control are essential to maintain sperm quality. Parameters such as motility and the percentage of live spermatozoa, typically involve procedures under controlled conditions. Therefore, while it is indicated that 95 percent of the samples would have means under 26 minutes - suggesting a guideline for handling time - it's important to adhere to specific laboratory guidelines which might differentiate based on the procedure being conducted.