36 | Jurnal Penelitian Pascapanen Pertanian | Volume 15 No. 1 Juni 2018 : 36 -42 IDENTIFIKASI E. COLI O157:H7, SALMONELLA SP, DAN SENSITIFITAS ANTIBIOTIKA DARI SUSU KAMBING DAN PRODUK OLAHANNYA Widodo Suwito 1 , Andriani 2 , Felisitas Kristiyanti 3 , dan Erna Winarti 1 1 Balai Pengkajian Teknologi Pertanian Yogyakarta Jl. Stadion Baru Maguwoharjo No. 22 Karang Sari, Wedomartani, Ngemplak, Sleman, Yogyakarta 55584, Indonesia 2 Balai Besar Penelitian Veteriner Jl. R.E. Martadinata No.30 Kotak Pos 151, Bogor 16124, Indonesia 3 Dinas Pertanian, Perikanan, dan Kehutanan Kabupaten Sleman JL dr. Rajimin, Sucen, Triharjo, Sleman, Yogyakarta 55514, Indonesia E-mail:widodo.suwito@yahoo.com (Diterima 05-01-2018, Disetujui 27-05-2018) ABSTRAK Susu kambing dan produk olahannya dapat terkontaminasi E. coli O157:H7 dan Salmonella sp. Tujuan penelitian ini untuk isolasi dan identifkasi E. coli O157:H7, Salmonella sp, dan sensitiftasnya terhadap antibiotika dari susu kambing dan produk olahannya. Sebanyak 15 sampel susu kambing dan produk olahannya seperti susu bubuk, permen, es krim, yogurt, dan krupuk masing-masing sebanyak 10, 3, 6, 4, dan 3 sampel. Semua sampel diperiksa terhadap E. coli O157:H7, dan Salmonella sp berdasarkan reaksi biokimia. Jumlah E. coli pada semua sampel dihitung dengan most probable number (MPN), sedangkan sensitiftas terhadap antibiotika dengan agar difusi. Hasil penelitian menunjukkan bahwa susu kambing dan produk olahannya tidak ditemukan E. coli O157:H7 dan Salmonella sp., tetapi E. coli non O157:H7 ditemukan pada susu kambing sebanyak 3/15 (20%) dengan jumlah >6 MPN/100ml. Semua produk olahan susu kambing memiliki jumlah E. coli <3 MPN/100ml. E. coli dari susu kambing resisten terhadap cefksime, kanamisin, tetrasiklin, sulfonamide, dan oksitetrasiklin masing-masing sebanyak 1/3 (30%), sedangkan ampisilin dan amoksilin 100%. Kata kunci: Susu kambing, isolasi, E. coli O157:H7, Salmonella sp ABSTRACT Goat milk and dairy products could be contaminated with E. coli O157:H7 and Salmonella sp. The purpose of this study was to isolation and identifcation of E. coli O157:H7, Salmonella sp, and antibiotic sensitivity from goat milk and dairy products. A total of 15 samples from goat milk and dairy products such as milk powder, candy, ice cream, yogurt, and crackers respectively 10, 3, 6, 4, and 3 samples. All samples were analyzed for E. coli O157: H7, and Salmonella sp with biochemical reaction. Total of E. coli in all samples was measured with most probable number (MPN) and antibiotic sensitivity with difusion agar. These study showed that goat milk and dairy products not found E. coli O157:H7 and Salmonella sp., whereas E. coli non O157:H7 was found in goat milk 3/15 (20%) with total E. coli >6 MPN/100ml. All dairy goat products have total E. coli <3 MPN/100ml. E. coli from goat milk was resistant to cefxime, kanamycin, tetracycline, sulfonamide, and oxytetracycline 1/3 (30%) respectively, but ampicillin and amoxicillin 100%. Key words: Goat milk, isolation, E. coli O157:H7, Salmonella sp