Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Effect of dietary omega-6 to omega-3 fatty acids and herbal antioxidants on sperm quality and fatty acid profile in rams

S. Abdollahzadeh; A. Riasi; M.H. Nasr‐Esfahani; M. Tavalaee; F. Jafarpour

Theriogenology · 2025

Read source ↗ All evidence

Summary

This study investigates how manipulating the dietary ratio of omega-6 to omega-3 fatty acids, alongside herbal antioxidant supplementation, influences semen quality and the fatty acid composition of spermatozoa in rams. The research likely demonstrates that dietary fatty acid balance affects sperm membrane lipid composition, with potential implications for fertility outcomes in small ruminant production. Herbal antioxidants may have been included to examine their role in mitigating oxidative stress associated with polyunsaturated fatty acid metabolism.

UK applicability

Although the study was likely conducted in Iran under specific climatic and breed conditions, findings on dietary fatty acid manipulation and antioxidant supplementation for ram fertility are broadly applicable to UK sheep production systems, particularly where reproductive performance and semen quality are priorities in breeding programmes.

Key measures

Sperm motility (%); sperm viability (%); sperm morphology (%); sperm fatty acid profile (% of total fatty acids); omega-6:omega-3 ratio in sperm

Outcomes reported

The study measured sperm quality parameters (motility, viability, morphology) and sperm fatty acid profiles in rams fed diets with varying omega-6 to omega-3 ratios in combination with herbal antioxidant supplementation.

Theme
Nutrition & health
Subject
Livestock reproduction & nutrition
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
Iran
System type
Mixed livestock
DOI
10.1016/j.theriogenology.2025.117438
Catalogue ID
NRmo3f02hq-054

Topic tags

Pulse AI · ask about this record

Dig deeper with Pulse AI.

Pulse AI has read the whole catalogue. Ask about this record, its theme, or how the findings apply to UK farming and policy — every answer cites the underlying studies.