<![CDATA[The closed-house system is a strategy for improving broiler productivity through optimal environmental control. This study analyzed differences in final body weight (BW) and feed conversion ratio (FCR) of broilers raised in closed-house systems at Daffa Farm, Cilacap Regency, and Singgih Farm, Banyumas Regency. Both farms operate under the same partnership, PT Cemerlang Unggas Lestari, with a capacity of 30,000 birds each. A survey method was employed using primary and secondary production records collected over 15 rearing periods per farm. Data were analyzed using an independent two-sample t-test at a 5% significance level. The mean final body weight was 2.1173 kg (SD 0.17633) at Daffa Farm and 2.0950 kg (SD 0.17769) at Singgih Farm. The calculated t-value of 0.345524 was lower than the critical value of 2.048, indicating no significant difference. Mean FCR values were 1.5237 (SD 0.05877) and 1.5175 (SD 0.04898), respectively. The calculated t-value of 0.313887 was also below 2.048, indicating no significant difference. These findings suggest that both farms achieved comparable production performance despite differences in local environmental characteristics. Proper closed-house management can support stable and relatively uniform broiler performance through effective environmental control and consistent husbandry practices. This study provides practical insights into maintaining production consistency across farms operating under the same partnership system.]]>
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