<![CDATA[ This study aimed to evaluate the effect of combining fermented cow manure with broiler starter feed on BSF growth and reproduction. Cow manure was fermented for 7 days using EM4 and molasses, then mixed with broiler feed at ratios of T0 (100% manure), T1 (75:25), T2 (50:50), T3 (25:75), and T4 (100% feed). A Complete Random Design with three replicates was used in this study. Growth parameters (weight, length, and width of larvae) were observed on days 14, 21, and 28, while reproductive parameters included egg diameter, hatchability, and quality of early larvae. The results showed that an increase in feed proportion significantly improved larval growth (p < 0.05), with T4 providing the best results. The egg size did not differ significantly, but T4 had the highest hatchability (98.2%). Improved nutrient availability enhances females' energy reserves and promotes ovarian development. Fermentation also improves nutrient digestibility and the substrate's attractiveness for oviposition. The addition of broiler feed to fermented cow manure can improve the growth and reproductive performances of BSF, therefore, it could support a more productive and sustainable cultivation system.]]>
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