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Wyświetlanie 1-5 z 5
Tytuł:
Distribution of heavy metal lead (Pb) on macrozoobenthos in the Karangsong waters area, Indramayu Regency
Autorzy:
Rosidah, Rosidah
Prabowo, Agung
Lili, Walim
Herawati, Titin
Powiązania:
https://bibliotekanauki.pl/articles/1161875.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Karangsong waters area
bioconcentration factor
lead (Pb)
macrozoobenthos
Opis:
The study was conducted in July - August 2018 with the aim of analyzing the concentration of lead heavy metals (Pb) in water, sediment and macrozoobenthos in the Karangsong waters area, Indramayu Regency. The research method used is a survey method with purposive sampling technique that is the determination of location based on the existence of certain objectives and in accordance with various considerations, then observed the content of lead metal (Pb) in the Central Laboratory of Padjadjaran University. The research was conducted in situ and exsitu. Parameters of insitu research include temperature, pH and DO carried out in Karangsong waters, Indramayu Regency. Exsitu research parameters include testing of lead metal (Pb) on water, sediment and macrozoobenthos conducted at the Central Laboratory of Padjadjaran University. The results showed that the Pb concentration in the Karangsong waters had exceeded the threshold, which ranged between 1,05 – 1,33 mg/l, while the Pb concentration in sediment was higher than the Pb concentration in water. Lead metal in sediment has not exceeded the threshold. The ability of macrozoobenthos to accumulate lead metal in water and sediment (Bioconcentration Factor / BCF) is included in the low accumulative category because BCF is less than 100.
Źródło:
World Scientific News; 2018, 112; 207-216
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effectivity of Solution Mangosteen Rind (Garciana mangostana) as Medicine for Black Tilapia Juvenile (Oreochromis niloticus Bleeker) when Infected by Aeromonas hydrophila
Autorzy:
Lili, Walim
Gumilar, Resvi
Nurhayati, Atikah
Rosidah, Rosidah
Powiązania:
https://bibliotekanauki.pl/articles/1062740.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Aeromonas hydrophila
Garciana mangostana
Oreochromis niloticus
Solution mangosteen rind
black tilapia
medicine
Opis:
Many tropical plants have interesting biological activities with potential therapeutic applications. Garcinia mangostana Linn. (GML) belongs to the family of Guttiferae and is named “the queen of fruits”. It is cultivated in the tropical rainforest of some Southeast Asian nations like Indonesia, Malaysia, Vietnam, Philippines, and Thailand. This research aims to determine the concentration of solution mangosteen rind (Garciana mangostana) which is the most effective to healing of black tilapia juvenile (Oreochromis niloticus Bleeker) when infected by A. hydrophila bacteria to produce the highest survival of black tilapia juvenile. This research used experimental method and experimental design by including a complete randomized design (CRD) with five treatments and three replications. The used treatment was soaking black tilapia juvenile for 24 hours in mangosteen rind. The sample infected by A. hydrophila bacteria as much as 0.1 mL/fish at concentration of 108 cfu/mL with intramuscular injection method was used. The concentrations of mangosteen rind solution were 0, 500, 600, 700, and 800 ppm. The parameters observed were clinical symtoms, fish response to feed, fish response to shock, recovery process, and water quality. Data of the clinical symtoms, response fish to feed, response fish to shock, recovery process and water quality were analysed descriptively, while the survival rate data of black tilapia juvenile were analysed using F test at 95% confidence level and continued with Duncan test. The results showed, the use of mangosteen rind solution with 600 ppm concentration was effective to treat tilapia juvenile which infected by A. hydrophila bacteria resulted in the fastest recovery on the third day and the highest survival rate of 91.76.
Źródło:
World Scientific News; 2019, 133; 56-70
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effectivity of metabolite secondary extract of bacteria associated with sea grass (Cymodocea rotundata) for Vibriosis treatment in tiger shrimp (Penaeus monodon)
Autorzy:
Lili, Walim
Maulana, Gusman
Astuty, Sri
Rosidah, Rosidah
Powiązania:
https://bibliotekanauki.pl/articles/1076652.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Cymodocea rotundata
Penaeus monodon
Vibrio harveyi
bacteria association
secondary metabolites
survival rate
vibriosis
Opis:
The natural occurrence of the shrimp (Penaeus monodon Fabricius, 1798) and seagrass (Cymodocea rotundata Asch. & Schweinf.) is found in the area of Indian Ocean, Indonesia, for central Pacific. Vibriosis can cause death in larvae, juvenile and adult shrimp almost close to 100%. Antibacterial substances from secondary metabolites are produced by plants and animals to reduce the use of synthetic antibiotics. The purpose of this research was to determine the ability of secondary metabolites contained in the bacterial extract of the association of sea grass Cymodocea rotundata (isolate code BA.1) to treat vibriosis in tiger shrimp (Penaeus monodon). This research was conducted at the Laboratory of Integrated Biotechnology and Laboratory of Aquaculture, Fisheries and Marine Sciences Faculty, Universitas Padjadajaran, and at the Brackish and Southern Ocean Aquaculture Development Center Pangandaran, from June to September 2018. The research method used was experimental, with completely randomized design (CRD) consisting of five treatments with three replications including; control treatment (concentration of 0 mg·L–1), 150 mg.L–1, 300 mg·L–1, 450 mg·L–1 and 600 mg·L–1. Observations made include clinical symptoms (morphology, behavior) and survival rate. Clinical symptoms of infected tiger shrimp during the in vivo test were red spots on the abdomen and necrosis of some leg and tail segments. The behavior of tiger shrimp mostly shows less responsive movements to fish-feed on the first day, and showing responsive and active behavior on the fifth day. In vivo test results for 14 days showed that the highest survival rate of 51.67% was in case of the addition of antibacterial extracts of BA.1 with a concentration of 300 mg·L–1.
Źródło:
World News of Natural Sciences; 2019, 26; 96-115
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Types Isolated Lactic Acid Bacteria on Hematocrit and Differential Leukocytes Fingerling Common Carp (Cyprinus carpio L.) Infected with Aeromonas hydrophila bacteria
Autorzy:
Shabirah, Afifah
Rosidah, Rosidah
Mulyani, Yuniar
Lili, Walim
Powiązania:
https://bibliotekanauki.pl/articles/1076702.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Aeromonas hydrophila
Cyprinus carpio
Differential leukosit
Hematocrit levels
Lactic acid bacteria
fingerling of Common carp
immunostimulant
survival rate
Opis:
This study aims to see the condition of hematocrit levels and differential leukosit after immersion in LAB isolated and after in vivo, using Aeromonas hydrophila bacterium. LAB isolated were obtained from the organs of the common carp intestine. The study used a Completely Randomized Design (RAL) consisting of four treatments and three replications. The treatment used was immersion of test fish for 24 hours in several isolates of LAB with a density of 108, namely A: without LAB isolate (control), B: isolate CcB7, C: isolate CcB8, D: isolate CcB15. Immersion was done three times, with a frequency of seven days. Parameters observed included hematocrit levels, leukocyte differentiation and survival rate. The results showed that immersion in LAB isolate CcB15 will enhance the differential leukocytes and hematocrit levels that serve as indicators of carp body resistance, which is shown by high levels of white and red blood cells.
Źródło:
World News of Natural Sciences; 2019, 24; 22-35
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Adding Pumpkin Flour and Carrot Flour on Changes in Color Intensity of Goldfish (Carassius auratus L.) Strain Oranda
Autorzy:
Ahlam, Rian Nur
Lili, Walim
Hamdani, Herman
Rosidah, Rosidah
Bangkit, Ibnu
Powiązania:
https://bibliotekanauki.pl/articles/1076642.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Faculty of Fisheries and Marine Sciences
Indonesia
Padjadjaran University
Sumedang
West Java
Opis:
Goldfish is one of the most famous ornamental fish because of its body shape and color which was interesting to be maintained. The purpose of this research was to find the optimum dose of pumpkin and carrot flour combination on artificial feed to increase color brightness of goldfish. Complete Randomized Design with four treatments and four replications were used in the experiment. For the treatments, pumpkin flour 15%, pumpkin flour 7.5% with carrot flour 2.5% and carrot flour 5%, were studied. The parameters observed were color intensity, survival rate, and water quality. The results showed that supplementation of combination of pumpkin flour 7.5% with carrot flour 2.5% gave the highest color intensity of goldfish with TCF code 0815 and score 2.11 with 100% survival rate. Water qualities during the research were still in optimal condition.
Źródło:
World News of Natural Sciences; 2019, 26; 52-60
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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