ArticleAnimal reproduction2025
Immediate and late effects of long-term testicular heat stress on the number of seminiferous tubules and cellular content in Santa Inês rams.
Article in Animal reproduction, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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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.
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Who cites it
3 citing papers in PubMed.
- Do foot and mouth disease vaccines affect bovine bull fertility? A systematic review and meta-analysis.Veterinary and animal science · 2026Review
- Decoding Infertility: the Epigenetic Influence of HDACs on Reproductive Function.Reproductive sciences (Thousand Oaks, Calif.) · 2026Review
- Heat shock proteins in male infertility: recent advances and clinical implications.Frontiers in cell and developmental biology · 2026Review
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Efficient spermatogenesis in mammals occurs when testicular temperature is approximately 2 to 8 °C below body temperature. Elevated testicular temperature can trigger oxidative stress and compromise sperm integrity during spermatogenesis, potentially resulting in damaged spermatozoa and male infertility. This study aimed to evaluate how heat stress affects the quantity of seminiferous tubules, and the abundance of germ cells within the seminiferous tubules. To this end, six Santa Inês rams were subjected to testicular insulation for 12 consecutive days, followed by two hemi-orchiectomies, the first 24 hours after insulation period to evaluate the immediate effect, and the second 30 days after the first hemi-orchiectomy to evaluate the late effect. Six Santa Inês rams composed the control group. Histological analyses were conducted to quantify the number of seminiferous tubules and the types of cells within them (spermatogonia, spermatocytes, and spermatids) in testicular fragments. Despite an increase in testicular temperature, no significant differences were observed in the number of seminiferous tubules. These findings probably reflect the resistance of Santa Ines rams to high environment temperatures. Regarding the abundance of cells, a decrease in spermatogonia (0.27% ± 0.06; 0.05% ± 0.03
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