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Wyświetlanie 1-5 z 5
Tytuł:
Review of Shrimp (Litopenaeus vannamei (Boone, 1931)) Farming in Indonesia: Management Operating and Development
Autorzy:
Amelia, Fadilah
Yustiati, Ayi
Andriani, Yuli
Powiązania:
https://bibliotekanauki.pl/articles/1193476.pdf
Data publikacji:
2021
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Farming
Indonesia
Litopenaeus vannamei
Management
Shrimp
Opis:
Indonesia is an archipelago with a coastline of about 81,000 km and has enormous cultivation potential. The area that's the potential for aquaculture is estimated at 15.59 million hectares, consisting of 2.23 million hectares of freshwater cultivation land, 1.22 million hectares of cultivated land in brackish waters, and 12.14 million hectares of marine areas. Nowadays, only 10.1% freshwater, 40% of brackish water, and 0.01% of the marine area potentially suitable for cultivation are being used. However, land use for shrimp farming until 2017 has only reached 20% of the total potential. It is still very open to developing land for the extensification of shrimp farming. Shrimp is one of the non-oil and gas export commodities that play a crucial role. Besides the high price, shrimp also has a large market in various countries. Although the industry suffered disease outbreaks and environmental problems, Vannamei shrimp farming has recently seen a rapid expansion in Indonesia due to superior varieties and disease resistant shrimp. Vannamei shrimp is a new variety that’s some advantages, including more resistance or resistance to disease and low environmental quality, high stocking density, shorter rearing time, which is around 90-100 days per cycle. This study provides some necessary background for Vannamei shrimp farming in Indonesia. It focuses on the operating characteristics of shrimp farming in brief. Emphasis is placed on the impact of shrimp farming on the environment. Promising strategies for reducing nutrient release from shrimp farming are analyzed. Effective management measures to resolve or mitigate the adverse environmental effect of shrimp farming development have now become necessary and urgent. The sustainability of shrimp farming depends on many factors including the completeness of policies and regulations, good ecology, superior breeding and various kinds of cultivation technology and government support, advances in technology digitization and cooperation between industries shrimp farming.
Źródło:
World Scientific News; 2021, 158; 145-158
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Antibacterial Activities of Some Schiff Bases Involving Thiosemicarbazide and Ketones
Autorzy:
Shariar, S. M. S.
Jesmin, M.
Ali, M. M.
Powiązania:
https://bibliotekanauki.pl/articles/412294.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
antibacterial activity
Minimum inhibitory concentration
Brine shrimp lethality
Opis:
Three Schiff bases derived from thiosemicarbazide and ketones (Vanillin, Benzophenone and Acetophenone) were used to study their antibacterial activities against some pathogenic bacteria by disc diffusion method. Of these, benzophenone thiosemicarbazone showed significant antibacterial activity as compared with that of Kanamycin. All these three compounds were found to possess cytotoxic effect. Minimum inhibitory concentration of these compounds was also determined.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 7; 53-61
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Difference Effect of Mouth Width Size and Operating Depth of Sodo (Push net) on the Catch of Rebon Shrimp (Acetes indicus H. Milne Edwards, 1830) in Tanah Kuning Waters, North Kalimantan, Indonesia
Autorzy:
Rahmayani, Rahmayani
Hamdani, Herman
Junianto, Junianto
Izza, A. Mahdiana
Powiązania:
https://bibliotekanauki.pl/articles/1062751.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Acetes indicus
Rebon shrimp
Sodo mouth width size
depth
sodo
Opis:
Sodo (push net) is a fishing gear used to capture Rebon shrimp (Acetes indicus H. Milne-Edwards, 1830) by fishermen in Tanah Kuning water and it has a construction for varied operation depth. The purpose of this study was to determine the combination of the size of the mouth width and depth of operation of Sodo to get the most Rebon shrimp catch in the waters of Tanah Kuning. The study method used is experimental with Randomized Block Design (RBD). The first group is the size of the width used, equaling 4.8 m, 6 m, and 7.2 m, and depths of 0.5 to 3 m, and 4 to 6 m. The catch data was taken on January 15-22 2019. The results show that the A2B1 treatment, which is a combination of the size of the mouth width of 6 m and operated at a depth 0.5 – 3 m, was the best treatment, with the highest catch of mass 238 kg.
Źródło:
World Scientific News; 2019, 133; 121-131
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A comprehensive review on a less explored medicinally important plant Justicia betonica L.
Autorzy:
Manokari, M.
Latha, R.
Priyadharshini, S.
Cokul, Raj M.
Beniwal, Puneet
Manjunatha, Reddy Y.
Rajput, Bharat Singh
Shekhawat, Mahipal S.
Powiązania:
https://bibliotekanauki.pl/articles/1066209.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Biological activities
Chemical constituents
Folk medicine
Justicia betonica
White shrimp
Opis:
Justicia betonica L., family Acanthaceae is a widely used traditional folk medicinal herb. It is a unique source of jusbetonin and the leaves yield bluish purple dye. Traditionally, the plant is used to cure constipation, diarrhea, malaria, orchitis, pain, snake bite, stomach ache, vomiting etc. The whole plant possess significant biologically active principles like steroids, triterpenoids, alkaloids, saponins, glycosides, carbohydrates, gum and mucilage, proteins, fixed oils and fat, phenolics and tannins. It is reported to exhibit antiviral, antioxidant, anti-inflammatory, analgesic and antimalarial activities. The intention of the study was to endow an overview of the ethnomedicinal properties, phytochemistry and related pharmacological applications of J. betonica, and to make an authenticated evidence base for further research on this important medicinal plant.
Źródło:
World Scientific News; 2019, 131; 110-122
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Antibacterial Activities of Some Transition Metal Schiff Base Complexes
Autorzy:
Islam, M.N.
Shahriar, S.M.S.
Islam, M.K.
Jesmin, M.
Ali, M.M.
Khanam, J.A.
Powiązania:
https://bibliotekanauki.pl/articles/411780.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
antibacterial activity
Schiff base transition metal complexes
minimum inhibitory concentration
Brine shrimp lethality
Opis:
A new series of four transition metal complexes of a Schiff base derived from salicylaldehyde and glycine, viz. [N-salicylidene glycinato diaqua cobalt (II) dimer] (SGCo)2, [N- salicylideneglycinato-di-aqua-nickel(ll)dimer] (SGN)2, [N-salicylideneglycinato-aqua-copper(II)] (SGC) and [N-salicylidene glycinato diaqua zinc(II) dimer] (SGZ)2 have been synthesized and characterized through a rapid, simple, and efficient methodology in excellent yield. These compounds were screened for in vitro antibacterial activities against six pathogenic bacteria, such as Shigella sonnei, Escherichia coli, Bacilus subtilis, Sarcina lutea, Staphylococcus aureus and Pseudomonas arioginosa. The antibacterial activity was determined by the disc diffusion method using DMSO as solvent. The results indicate that (SGC) compound exhibit a significant antibacterial activity, depending on the bacterial strain and (SGCo)2, (SGN)2 and (SGZ)2 compounds show a moderate sensitivity even with higher doses. All these compounds were found to possess cytotoxic effect.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2013, 5; 12-20
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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