The Utilization of Garlic (Allium sativum Linn) and Red Ginger (Zingiber officinale var rubra) Extract on The Growth of Broiler were Infected by Escherichia coli - Isma, Ade Wildani (Program Studi Peternakan Fakultas Pertanian USU Medan (Dept. of Animal Science, Faculty of, 2018)