ArticleOpen veterinary journal2025
The effect of polyunsaturated fatty acids along with mixture of medicinal plants on production performance, blood parameters, and reproduction performance in laying hens.
Article in Open veterinary journal, 2025. 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
Background: The combined effects of conjugated linoleic acid (CLA), omega-6 fatty acids, and medicinal plants such as fennel powder and thyme have not been fully investigated in laying hens. Their potential synergistic impact on production traits, blood parameters, and reproductive performance in Lohman selected leghorn (LSL) laying hens remains unclear. Aim: This study investigated the effects of different dietary levels of CLA and omega-6 fatty acids, combined with medicinal plant supplements (fennel and thyme powder), on productive performance and egg quality traits in Lohmann LSL laying hens. Blood lipid profiles, ovarian follicle development, and liver health were also evaluated. Methods: Sixty 34-week-old hens (1.5 ± 0.2 kg) were divided into four treatments with five replicates (three hens per replicate) over 42 days. Treatments included: control (no additives), T1 (0.025% CLA/omega-6 + 0.025% medicinal plants), T2 (0.0375% CLA/omega-6 + 0.0375% medicinal plants), and T3 (0.05% CLA/omega-6 + 0.05% medicinal plants). Production performance, egg quality, blood lipid parameters, ovarian follicle activity, and liver fat content were assessed. Results: Hens fed T2 treatment (0.075% each of CLA/omega-6 and medicinal plants) showed superior production traits ( Conclusion: Dietary inclusion of 0.075% (0.0375% CLA/omega-6 combined with 0.0375% medicinal plants) optimized production performance, egg quality, blood lipid profiles, and reproductive health in Lohman LSL hens. This supplementation level demonstrated the most pronounced benefits for enhancing poultry productivity and metabolic health.
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