ArticleAnimals : an open access journal from MDPI2026
Dietary Chlorogenic Acid-Rich Green Coffee Bean Extract Improves Laying Performance and Antioxidant Status in Heat-Stressed Laying Hens.
Article in Animals : an open access journal from MDPI, 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
Cyclic heat stress compromises egg production and antioxidant defenses in laying hens. The present study employed a short-term, 14-day cyclic heat-stress model to evaluate whether dietary supplementation with a chlorogenic acid-rich green coffee bean extract could mitigate these effects. Before initiation of the heat-stress experiment, all hens were maintained under thermoneutral conditions and received the basal diet without the extract. Following 1 week of adaptation and 4 weeks of thermoneutral feeding, 240 approximately 50-week-old Jingfen No. 8 hens were allocated to a thermoneutral control, a heat-stress control, or heat-stressed groups receiving 100 or 200 mg/kg extract containing 70% chlorogenic acid, with four independent replicates of 15 hens each (60 hens per treatment). Heat-stressed hens were subjected to a 14-day cyclic heat-stress challenge at 32-35 °C for 9 h/day. Heat stress decreased average egg weight and laying rate, increased serum malondialdehyde, and reduced total antioxidant capacity (
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