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All Journal Biocaster : Jurnal Kajian Biologi
Candra Dwi Atma
Departemen Mikrobiologi dan Parasitologi, Fakultas Kedokteran Hewan, Universitas Pendidikan Mandalika, Jalan Pemuda Nomor 59A, Mataram, Nusa Tenggara Barat 83125, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology

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Deteksi Ektoparasit Vorticella sp. pada Udang Vaname (Litopenaeus vannamei) di Desa Akar-Akar Kecamatan Bayan Kabupaten Lombok Utara Gusti Ayu Riskha Sutrisno; Candra Dwi Atma; Iwan Doddy Dharmawibawa; Ni Luh Lasmi Purwanti
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 3 (2026): July
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i3.1198

Abstract

This study aims to detect the presence of ectoparasites Vorticella sp. in whiteleg shrimp and its correlation with the quality of the cultivation environment in Akar-Akar Village, Bayan District, North Lombok Regency. The research method used was microscopic examination by making preparations from tissues consisting of carapace, walking legs, swimming legs, and tail. The total population was 12,000 individuals with a required sample size of 100 individuals. Furthermore, the data obtained were analyzed descriptively. The results showed that out of 100 samples, all were positive for Vorticella sp. and the prevalence value was 100%. Water quality showed a temperature of 32oC, total ammonia 0.072 mg/L, and orthophosphate 2.110 mg/L. More extreme conditions were found at DO levels reaching 0 mg/L. Meanwhile, salinity levels at 24.7 ppt, pH 7.18, and nitrite 0.049 mg/L were still within the normal range. The conclusion of this study was that all shrimp were detected with Vorticella sp., which is suspected to be closely related to poor water quality.
Deteksi Residu Antibiotik Oxytetracycline pada Hati Ayam Broiler di Pasar Tradisional Mandalika Mataram Nina Mardiana; Ni Luh Lasmi Purwanti; Candra Dwi Atma; Iwan Doddy Dharmawibawa
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 2 (2025): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i2.396

Abstract

This study aims to detect the presence of Oxytetracycline antibiotic residues in broiler chicken livers sold at the Mandalika Traditional Market, Mataram City. This study used a bioassay screening test method to detect antibiotic residues in broiler chicken liver samples taken from 10 traders in the market. The results showed that no antibiotic residues were found in all samples tested. All samples showed negative results, which means that the broiler chicken livers sold in the market contain Oxytetracycline residues. Based on these findings, it can be concluded that broiler chickens sold at the Mandalika Traditional Market do not contain Oxytetracycline antibiotic residues that exceed the safe limit for consumption.
Co-Authors Gusti Ayu Riskha Sutrisno Iwan Doddy Dharmawibawa Ni Luh Lasmi Purwanti Ni Luh Lasmi Purwanti Nina Mardiana