The utilization of extract and powder of Batak onion (Allium chinense) as an antibiotic to broiler chicken performance

Broiler chickens are susceptible to diseases come from bacteria. The bacteria that usually infect broiler is Escherichia coli which can cause diarrhea. precaution done using antibiotics, usually. This study aimed analyse the effect of Batak Onion (Allium chinense) extract and powder as an antibiotic performance chicken. Research method was completely randomized design (CRD) with 7 treatments 3 repetitions, five samples chicken were used for each repetition. P0A: Control without infection, P0B: E. P1: P0A + Extract (A. Chinense) (1%), P2: Powder (0.05%), P3: P0B P4: (0.05%) P5: Tetracycline Antibiotic (0.05%). Result research showed result not significantly different feed consumption, weight gain conversion before infection in contrast after condition. It be concluded use onion a natural replace tetracyclines.