ArticleVeterinary world2025
Mitigating heat stress in Garut lambs: Synergistic effects of Lemuru fish oil, vitamin E, and selenium on antioxidant defense, hematology, and physiological responses.
Article in Veterinary world, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Dietary Antioxidants and Nrf2-Related Redox Responses in Sheep: Evidence, Limitations, and Implications for Health and Productivity.Veterinary sciences · 2026Review
- Synergistic regulation of selenium yeast and vitamin E on the rumen microbiota-VFA-liver axis in lambs.BMC microbiology · 2026Article
- Dietary vitamin E and selenium supplementation improve hematological responses and productivity of growing goats consuming diluted seawater under tropical conditions.Veterinary world · 2026Article
- Nutritional and economic evaluation of fermented durian peel on laying duck performance and yolk omega profile.Journal of advanced veterinary and animal research · 2026Article
- Integrative metabolomics and hormonal profiling reveal biomarkers of milk yield efficiency in Sapera dairy goats under tropical conditions.Veterinary world · 2025Article
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Authors and funding
10 authors.
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Abstract
Background and Aim: Tropical climates expose livestock to prolonged heat stress, leading to compromised health, growth, and productivity. Nutritional interventions using omega-3 fatty acids and antioxidants may improve resilience in such environments. This study evaluated the effects of lemuru fish oil (LO), vitamin E, and selenium - individually and in combination - on hematological, physiological, antioxidant, and growth parameters of Garut lambs exposed to tropical heat stress. Materials and Methods: Forty male Garut lambs (23.52 ± 2.51 kg; 9-10 months old) were randomly assigned to five dietary groups: Control (CNT), LO (6%, LO), LO + 500 IU Vitamin E, LO + 0.5 ppm selenium, and LO + both Vitamin E and selenium (LOES). The 60-day trial took place during the dry season under severe to extreme heat stress conditions (temperature-humidity index: 25.13-40.07). Parameters assessed included nutrient intake, physiological responses, blood hematology, antioxidant status, and growth performance. Results: Supplementation with LO and antioxidants significantly improved hematological indicators (e.g., hemoglobin), enhanced antioxidant defenses (e.g., increased superoxide dismutase [SOD] and glutathione, reduced malondialdehyde [MDA], and cortisol levels), and stabilized physiological responses (e.g., lower rectal temperature and heart rate). The LOES group showed the most pronounced improvements: SOD increased by 107%, MDA decreased by 62%, and cortisol levels were reduced by 28% compared to the CNTs. However, no significant differences were observed in average daily gain or feed efficiency. Conclusion: The combination of LO with Vitamin E and selenium effectively mitigated heat-induced oxidative and physiological stress in Garut lambs. Although growth parameters remained unchanged, the improved physiological and antioxidant status suggests that these supplements may be valuable functional feed additives for enhancing animal welfare and resilience under heat stress. Further research is warranted to investigate the long-term effects on productivity and reproduction.
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