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For testing the difference in mean and median lifespan between groups, we used linear mixed model with linear quantile mixed-effects model, which included cage assignment as a random effect and batch as a covariate, respectively, using package nlme and lgmm in statistical software R

When glycemia is low, such as during fasting or between meals, glucagon promotes the hepatic break-down of stored glycogen (glycogenolysis) into glucose for release into the bloodstream, or the renal synthesis of glucose from non-carbohydrate sources (Jiang and Zhang, 2003

probiotics), immunity (e.g

Taurine enhances hydration, focus, and nervous system function