Abstract
This study was conducted to determine the performance index and business analysis of broilers infected with Escherichia coli by administering lactic acid bacteria probiotics in the form of Lactoped® (Lactobacillus casei, Lactobacillus plantarum, Lactobacillus fermentatum, Lactobacillus acidophilus). This type of research was true experimental research using a post-test-only control group design. The design used in this study was a completely randomized design (CRD). 30 broilers were randomized into three treatments (P0, P1 and P2) in each group with a minimum of six times. Probiotic lactic acid bacteria (LAB) with a concentration of 108 CFU/ml in broilers infected with Escherichia coli showed a higher performance index. It could cover the entire fixed costs so still feasible to do, meanwhile, for the scale of research (10 heads/treatment), it was not yet feasible to implement due to it has suffered losses.
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