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Identifikasi Parasit Pada Ikan Mujair (Oreochromis Mossambicus) Di Daerah Taman Pancing Denpasar Selatan Rasmi, Kadek Anidia; Dewi, Ade Ayu Yasinta; Artini, Ni Putu Rahayu
Bali International Scientific Forum Vol. 1 No. 1 (2020): Bali International Scientific Forum
Publisher : Bali International University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34063/bisf.v1i1.136

Abstract

Background : One of the most dangerous diseases for tilapia fish is parasites. This certainly can cause a decrease in fish quality and health problems in humans. Objective: This study aims to identify the type of parasite that infects tilapia fish (Oreochromis mossambicus) in the Fishing Park area of ​​South Denpasar District. Methods: A total of 26 tilapia fish taken from the Fishing Park area were examined at the Microbiology Laboratory of the University of Bali International to see the presence of ectoparasites and endoparasites. Ectoparasites are examined by observing external organs and then examined under a microscope, while endoparasites are examined by observing the inner surface of the digestive tract. Results: From the results of the study found two types of parasites that infested tilapia fish in the Fishing Park area namely Ascaris sp. and Ancylostoma sp. As many as 53.8% of tilapia fish were infested with Ascaris sp., And 46.2% were infested with Ancylostoma sp. The intensity of Ascaris sp. as many as 2 individuals / tail and Ancylostoma sp. as many as 1 individual / tail. Conclusion: Based on the results of observations made, it is known that from 26 tilapia fish obtained in Taman Pancing in the South Denpasar District, all fish samples were infected with parasites. This indicates that tilapia fish in the area are not suitable for consumption because they can transmit parasites through the fecal-oral route.
Variasi Kosentrasi Cuka Apel terhadap Daya Hambat Pertumbuhan Escherichia coli dan Staphylococcus aureus Rasmi, Kadek Anidia; Aryasa, I Wayan Tanjung; Laksmita, Ayu Saka
Bali International Scientific Forum Vol. 4 No. 1 (2023): Bali International Scientific Forum
Publisher : Bali International University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34063/bisf.v4i1.293

Abstract

Background: Apple cider vinegar is a fermentation of apple cider which contains various compounds that are beneficial for health. Such can be useful as an antibacterial due to the content of acetic acid, gallic acid, and catechins. Purpose: This study aims to determine the effect of variations in the concentration of apple cider vinegar and the most effective concentration of apple cider vinegar in inhibiting the growth of Escherichia coli and Staphylococcus aureus in vitro. Method: The method used in this study is a quasi experimental with disc diffusion for antibacterial testing. In this study, four concentrations of apple cider vinegar were used, that are 100%, 75%, 50%, and 25%. Result: The results of the antibacterial activity test on Escherichia coli showed the average diameter of the inhibition zone, i.e. 12.33 ± 0.12 mm (strong category) for concentration 100%, 10.57 ± 0.20 mm (strong category) for concentration 75%, 6.52 ± 0.22 mm (medium category) for concentration 50%, and 2.56 ± 0.18 mm (weak category) for concentration 25%. Whereas Staphylococcus aureus showed the average diameter of the inhibition, i.e. 14,56 ± 0,46 mm (strong category) for concentration 100%, 12,60 ± 0,07 mm (strong category) for concentration 75%, 8,62 ± 0,04 mm (medium category) for concentration 50%, and 4,54 ± 0,12 mm (weak category) for concentration 25%. Conclusion: Apple cider vinegar concentrations of 75% and 100% were effective in inhibiting the growth of the two test bacteria because they showed inhibition with strong category. Keywords: apple cider vinegar, Escherichia coli, Staphylococcus aureus.