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Ekasanti, Anandita
Universitas Jenderal Soedirman
Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Education Engineering Environmental Science Immunology & microbiology Mechanical Engineering Medicine & Pharmacology Social Sciences Other

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Journal : Journal of Artha Biological Engineering

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Inventory of Pests and Parasites in the Cultivation of Hotate Shellfish (Patinopecten yessoensis) in Funka Bay, Hokkaido, Japan Belva Putri Merdeka, Kezia; Ekasanti, Anandita; Nugrayani, Dewi; Matsui Gyogyobu, Daisan
Journal Of Artha Biological Engineering Vol. 2 No. 1 (2024)
Publisher : PT. Artha GenetikaLab Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62521/0je7xm44

Abstract

Hotate Shellfish Cultivation is the largest shellfish cultivation in the world, but many pests and parasites are found. This research aims to inventory the types of pests and parasites found in the cultivation of Hotate Shellfish (Patinopecten yessoensis) in Funka Bay, Hokkaido, Japan. The objects used for this research were 54 Hotate shellfish, consisting of three life stages of shellfish, namely seed shellfish, juvenile shellfish, and adult shellfish. This research was carried out using observation and random sampling methods to determine the types and percentages of pests and parasites present during the research. This research was carried out for seven months from 13 April to 6 December 2022 at the Daisan Matsui Company, Ohama, Oshamambe, Hokkaido, Japan. The results of this research show that there are four types of pests, namely Starfish, Purple Shellfish, Crustaceans, and Sea Pineapples as well as two types of parasites, namely Annelid Worms and Barnacles which attack shellfish cultivation. The percentage of shellfish at three life stages that were attacked by parasites was 75.93%. There are several factors that control the attachment of pests and parasites, including substrate availability, nutrient availability, and environmental considerations. The surfaces and nutrients provided by hotate culture facilities provide adequate conditions for pest settlement and growth.
Proteolytic Bacterial Activity from the Digestive Tract of Udikan Fish (Tor Sp.) Caught in Banjaran River Ruswanda, Roni; Ekasanti, Anandita; Kusuma, Rima Oktavia
Journal Of Artha Biological Engineering Vol. 3 No. 2 (2025): Vol 3 No 2 2025
Publisher : PT. Artha GenetikaLab Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62521/jmdy2152

Abstract

The type of feed commonly consumed by fish in nature can be predicted from the presence of microorganism communities in their digestive tract. One of the bacteria that plays an important role in the digestive tract is proteolytic bacteria. The purpose of this study was to determine the activity index and proportion of proteolytic bacteria from the digestive tract of udikan fish (Tor sp.) caught in the Banjaran River. The method used in this study was observation with a sampling technique conducted by purposive sampling. The activity index of proteolytic bacteria from the digestive tract of udikan fish (Tor sp.) was relatively low with an average value of 0.06 in 24-hour observations and 0.05 in 48-hour observations. The proportion of proteolytic bacteria obtained from the digestive tract of udikan fish (Tor sp.) was 33%.
Co-Authors Agung Cahyo Setyawan Alvin Maulana Anastasia Endang Pulungsari Avrila, Ririn Dwi Belva Putri Merdeka, Kezia Chairummah, Annis Dewi Fitrya Nugraheny Dewi Nugrayani Dewi Nugrayani Dewi Nugrayani Dewi Nugrayani Dewi Nugrayani Dewi Nugrayani Dewi Nugrayani Dewi Nugrayani Dewi Wisudyanti Dewi Wisudyanti Dewi Wisudyanti Dewi Wisudyanti Budi Hastuti Dian Bhagawati Didi Sofiyandi Elly Tuti Winarni Emyliana Listiowati Emyliana Listiowati Emyliana Listiowati Emyliana Listiowati, Emyliana Emyliana Listyowati Hastuti, Dewi Wisudyanti Budi Hendrayana Hendrayana, Hendrayana Hendro Pramono Jefri Anjaini Kasprijo, Kasprijo Kusuma, Rima Oktavia Laela Fitri Marhaendro Santoso Marhaendro Santoso Matsui Gyogyobu, Daisan Mohammad Nurhafid Muhammad Nurhafid Muhammad Nurhafid Nurhafid Muslih Muslih Muslih Muslih Nugrayani, Dewi Nurchamidah Oedjijono Oedjijono Palupi, Mustika Pelamonia, Alamanda Purnama Sukardi Purnama Sukardi R Panji Sulaeman Rivani, Rivani Riviani Riviani, Riviani Ruswanda, Roni Sahara, Aura Rose Setiyaningrum, Anita Putri Soedibya, Petrus Hary Tjahja Sri Marnani Sri Marnani Syakuri, Hamdan Taufik Budhi Pramono Taufik Budhi Pramono Tohap Simangunsong Wibowo, Davy Ananda Catur Wibowo, Satrio Haryu Widhiatmoko Herry Purnomo Wijaya, Rudy Wisudyanti, Dewi Yohanes Evander