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ISOLASI DAN KARAKTERISASI Staphylococcus aureus DARI SUSU KAMBING DAN PRODUK OLAHANNYA Widodo Suwito; Erna Winarti; Ari Widyastuti; Felisitas Kristiyanti; Andriani Andriani
Jurnal Teknologi dan Industri Pangan Vol. 28 No. 1 (2017): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (147.303 KB) | DOI: 10.6066/jtip.2017.28.1.85

Abstract

Presence of Staphylococcus aureus in goat milk and dairy product could lead to human illness. The aim of the present study was to characterize S. aureus isolated from goat milk and its products. The samples used in these studies were taken from goat farm and a goat milk processing facility in Sleman district. Characterization of the S. aureus was based on biochemical reaction, namely haemolysin activity, clumping factor, coagulase activity, and resistance against antibiotics. The haemolysin activity was determined by culturing the isolates on blood agar plates, whereas clumping factor with slide agglutination test. Mixing the rabbit plasma and culture S. aureus was used to determine the coagulase activity, while antibiotics susceptibility was carried out with agar diffusion test. The resulst showed that the number of S. aureus detected in 86% of goat milk samples conformed with SNI No 01-6366-2000. The characteristics of S. aureus from goat milk samples showed that 80% of the S. aureus isolates were non haemolytic, 20% were positive for clumping factor, and 40% were positive for coagulase activity. The antibiotic resistance test for S. aureus isolated from the goat milk samples suggested that 30% was resistant to ampicillin and penicillin while 10% showed resistance to erythromycin, neomycin, sulfonamide, and tetracycline.
Identifikasi Bakteri dan Efektivitas Antibiotik dalam Pengencer untuk Mengontrol Pertumbuhan Bakteri pada Semen Sapi Friesian Holstein Muttaqinullah Rabusin; Andriani Andriani; Raden Iis Arifiantini; Ni Wayan Kurniani Karja
Jurnal Veteriner Vol 20 No 1 (2019)
Publisher : Faculty of Veterinary Medicine, Udayana University and Published in collaboration with the Indonesia Veterinarian Association

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (125.835 KB) | DOI: 10.19087/jveteriner.2019.20.1.140

Abstract

This study was designed to investigate the presence of bacterial species in Friesian Holstein (FH) bovine semen at the time of collection, processing and to assess the efficacy of two types of antibiotics combinations; penicillin and streptomycin (PS) and gentamycin, tylosin, lincomycin and spectinomycin (GTLS) in semen extender on bacterial control and quality of semen. For this purpose, three experiments were conducted. In experiment 1, identification of bacterial content in fresh semen which collected from 5 bovine ejaculates. In experiment 2, identification of bacterial content in skimmilk-eggyolk extender which were prepared in artificial insemination center, Lembang, Bandung. In experiment 3, identification of bacterial content in frozen thawed semen. In the result, some of bacterial species were isolated from the bovine semen. The GTLS combination of antibiotics may be incorporated into a freezing extender or protocol without compromising the post-thawed semen quality of FH bull spermatozoa. Three types of bacteria were found in fresh semen; Klebsiella sp., Micrococcus sp., and Pediococcus sp.. Three types of bacteria were found in semen extender; Enterobacter cloacae, Pseudomonas diminuta and Serratia plymutica. Two types of bacteria were found in frozen semen; Enterobacter cloacae and Serratia plymutica. In conclusion, antibiotics PS and GTLS were effective for controlling the growth of bacteria in frozen semen.
Co-Authors Ari Widyastuti Erna Winarti Felisitas Kristiyanti Muttaqinullah Rabusin Ni Wayan Kurniani Karja R. Iis Arifiantini Widodo Suwito