ArticleVeterinary and animal science2026
Effects of dietary nano-selenium and lysophospholipid supplementation on sperm quality and testicular histomorphometry in Moghani ram.
Article in Veterinary and animal science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
This study aimed to evaluate the effects of dietary nano-selenium (nano-Se) and lysophospholipid (LPL) supplementation on sperm quality, fertility-related indices, and histomorphometric characteristics of testicular tissue in Moghani rams. Thirty-six rams (42.2 ± 0.07 kg) were randomly assigned to six experimental treatments for 90 days (15 days adaptation and 75 days experimental period). Treatments included: (1) control (basal diet supplemented with 0.5 mg/kg DM organic selenium), (2) 0.05% LPL, (3) 0.1% LPL, (4) 0.5 mg nano-Se/kg DM, (5) 0.05% LPL + nano-Se, and (6) 0.1% LPL + nano-Se.The results showed that treatment 6 significantly improved testicular histomorphometric parameters, including increased epithelial height, Sertoli and Leydig cell numbers, and enhanced tubular differentiation, spermiogenesis, and repopulation indices (P < 0.05). Additionally, the proportion of degenerated seminiferous tubules and lumen diameter was significantly reduced in this group (P < 0.05).In contrast, treatment 5 resulted in superior sperm functional characteristics, including higher total sperm count, improved viability, and increased DNA integrity (P < 0.05). Treatment 6 also reduced the percentage of histone-immature spermatozoa (P < 0.05), indicating improved sperm maturation. No significant differences were observed among treatments in semen volume, seminiferous tubule diameter, or cauda epididymal epithelial height (P ≥ 0.05).In conclusion, higher levels of LPL combined with nano-Se primarily enhanced testicular structure and spermatogenic activity, whereas lower levels of LPL with nano-Se were more effective in improving sperm functional quality. These findings suggest a dose-dependent role of lysophospholipids in modulating reproductive performance in rams.
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