CD Skripsi
Densitas Bakteri Clostridium Perfringens Dan Bakteri Heterotrofik Di Perairan Laut Dumai Provinsi Riau Serta Uji Resistensinya Terhadap Antibiotik
This research was conducted in April to June 2018 in the Dumai Sea Waters of
Dumai City, Riau , Privince. The purpose of this study was to determine the level
density of C. perfringens and heterotrophic bacteria, analyze the level of
resistance of C. perfringens and heterotrophic bacteria to antibiotics. The method
used in research is an experimental method. Biochemical and resistance test
analyzes were performed at the marine Microbiology Laboratory of the Faculty of
study, the calculation of the number of C. perfringens and heterotrophic bacteria
from the five stations obtained from the waters shows that the number C.
perfringens bacteria is lower if compared with the number of heterotrophic
bacteria that are in the five stations. The highest density of C. perfringens bacteria
at station 3 with a value of 1,5 x 106 and the lowest station 4 with a value 2,1 x
105. The average results of testing of te antibiotic Chloramphenicol found that all
bacterial isolates were sensitive, and in isoniazid antibiotic testing it was found
that all bacterial isolates were resistant.
Key words : Density, Resistance test and C. perfringens and heterotrophic bacteria
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