<p>Proximate composition (%; mean ± SD) of <i>Hediste diversicolor</i> under commercial (C) and waste (W) feeding regimes across four stocking densities (60 d). Lowercase letters indicate significant differences among commercial feed groups (C1–C4), and uppercase letters indicate significant differences among waste feed groups (W1–W4) (one-way ANOVA, Duncan’s test, P < 0.05). Asterisks (*) indicate significant differences between diets within the same density (independent-samples t-test, P < 0.05).</p>

Proximate composition (%; mean ± SD) of Hediste diversicolor under commercial (C) and waste (W) feeding regimes across four stocking densities (60 d). Lowercase letters indicate significant differences among commercial feed groups (C1–C4), and uppercase letters indicate significant differences among waste feed groups (W1–W4) (one-way ANOVA, Duncan’s test, P < 0.05). Asterisks (*) indicate significant differences between diets within the same density (independent-samples t-test, P < 0.05).