ArticleFrontiers in microbiology2025
Pre-cooling of boar semen before transport in a hot environment enhances biosafety.
Article in Frontiers in microbiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
- Perspectives in porcine semen conservation (liquid and frozen).The Journal of reproduction and development · 2026Review
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In a changing climate, the increase in temperature of boar semen doses during shipping to sow farms is a concern. Temperatures above the recommended storage range of 16-18°C for boar semen may compromise sperm quality due to bacterial growth and heat stress. The aim was to investigate whether cooling semen doses to 5°C prior to simulated transport at an environmental temperature of 30°C could inhibit bacterial growth and maintain sperm quality. Extended semen was treated in three variants: with and without pre-cooling to 5°C before simulated transport the next day at 30°C, and a control held stationary at 17°C. Transport vibration was simulated by shaking the semen doses for 6 h on an orbital shaker. Thereafter, all samples were stored at 17°C for 144 h. Pre-cooling efficiently delayed exponential microbial growth in samples spiked with resistant bacterial species. Although sperm motility was reduced by ~13 % in the pre-cooled samples, minimum quality requirements were fulfilled. Sperm membrane and mitochondrial membrane potential were not affected by the treatment. In conclusion, pre-cooling of semen before transport in a hot environment enhances biosafety of semen doses, while maintaining quality standards for use in artificial insemination.
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