ArticleFrontiers in aging2026
Sex-specific effects of automated feeding on lifespan and reproduction in
Article in Frontiers in aging, 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
Introduction: Methods: Here, we present a novel, cost-effective, and modular automated feeding system for Results: A continuous diet of 24-36 feedings per day increased fish growth in weight but not in length compared to a standard twice-daily regimen. Unexpectedly, while male lifespan remained unaffected by feeding regimen or diet, females subjected to high-frequency automated feeding showed reduced longevity, particularly with high-calorie diets. Additionally, pooled reproductive profiles suggested that reproductive output was associated with dietary fat and protein content as well as feeding frequency. Greater delivered food availability, particularly under high-frequency feeding with energy-rich diets, was associated with increased egg production, reduced embryo survival, and a shortened reproductive period. Discussion: Together, these findings provide important insights for optimizing husbandry and experimental design in
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