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    Wyświetlanie 1-5 z 5
    Tytuł:
    Effect of difference filter media on Recirculating Aquaculture System (RAS) on tilapia (Oreochromis niloticus) production performance
    Autorzy:
    Tanjung, Ricky Rahmat Maliki
    Zidni, Irfan
    Iskandar, Iskandar
    Junianto, Junianto
    Powiązania:
    https://bibliotekanauki.pl/articles/1075772.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Oreochromis niloticus
    filter media
    production
    recirculating aquaculture system
    tilapia
    Opis:
    This research aims to determine the composition of the best filter media on tilapia (Oreochromis niloticus) production performance. The method used in this research is experimental methods use Completely Randomized Design (CRD), which consist of four variables and three replications. The variable used is (A) without media filter (Control); (B) combination of cotton, bio ball and charcoal; (C) combination of cotton bioring and charcoal; (D) combination of cotton, Japanese matt and charcoal. The test fish used 180 tilapia fish with 7-9 cm length size. Tanks that used measured 60 cm x 30 cm x 36 cm as many as 12 pieces. The density during the research was 15 tails per tank. Duration of maintenance is 40 days. The feeding level is given by 5% of fish body weight. Water quality parameters (temperature, dissolved oxygen, pH, ammonia, and nitrate) were observed every 10 days for 40 days. Other parameters are survival rate, absolute length and weight growth, specific growth rate and feed convertion ratio observed every 7 days for 40 days. The results showed that the best composition of filter media for tilapia production performance was combination of cotton, bioball, and charcoal. Tilapia production performance obtained a combination of cotton filter media, bioball, and charcoal with 100% survival rate, length growth 2.17 cm, weight growth of 9.91 g, and specific growth rate of 2.3% and feed conversion ratio of 1.88.
    Źródło:
    World Scientific News; 2019, 118; 194-208
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Utilization of Fermented Mangrove Propagules (Rhizophora mucronata) as Feeding Material for Nile Tilapia (Oreochromis niloticus)
    Autorzy:
    Andriani, Yuli
    Nurfalah, Firdausi
    Yustiati, Ayi
    Iskandar, Iskandar
    Zidni, Irfan
    Powiązania:
    https://bibliotekanauki.pl/articles/1162438.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Feeding Efficiency
    Fermentation
    Growth
    Mangrove Propagulee
    Oreochromis niloticus
    Rhizophora mucronata
    Tilapia
    Opis:
    The research was carried out at the Laboratory of Aquaculture, Faculty of Fisheries and Marine Sciences, Universitas Padjadjaran for culture and observation of fish and at the Poultry Nutrition Laboratory, Faculty of Animal Husbandry, Padjadjaran University on the fermentation process and the manufacture of test feeding. The purpose of this study was to determine the optimal percentage of Aspergillus niger fermented mangrove propagules meal in artificial feeding on the growth rate of nile tilapia. Tilapia fry used were 5-7 cm in size with an average weight of 4.97 ± 0.2 g. The study used a Completely Random Design (CRD) with five treatments and three repetition. Feeding is formulated on the percentage of fermented mangrove propagules meal use, that is 0; 2,5; 5; 7.5; and 10%. The main parameters observed were nutritional quality of fermented products, daily growth rate, feeding efficiency and survival. The data obtained were analyzed using F Test and continued with Duncan's Test if there were differences between treatments. The results showed that the addition of mangrove propagules fermented about 10% level. It gives results that there is no difference between the daily growth rate, feeding efficiency and survival whic is the same as those in tilapia. This is shows that mangrove propagulees can be used in fish feeding without causing negative effects on the growth of nile tilapia fry.
    Źródło:
    World Scientific News; 2018, 111; 74-86
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Restaurant Waste Fermentation as Feed Material: A Literature Review
    Autorzy:
    Anasih, Rita
    Andriani, Yuli
    Lili, Walim
    Iskandar, Iskandar
    Zidni, Irfan
    Powiązania:
    https://bibliotekanauki.pl/articles/1193488.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Fermentation
    Fish feed
    Restaurant waste
    Restaurant waste utilization
    Opis:
    Waste is the excess of individual regular activities and, or natural processes in solid form. Waste is classified into two categories, namely organic and inorganic waste. Restaurant waste is known as organic waste because of its biodegradable character in nature. Waste is one of the main issues in Indonesia that got no resolution continuously. On average, Indonesian people produce around 2.5 liters of waste per day. Based on its composition, dominated by organic waste around 58%, and the remaining 42% is inorganic waste. One of the uses of waste, especially restaurant waste, is that it has utilization in the fields of agriculture, livestock, and fisheries. One of the uses of restaurant waste in fisheries is its application as a feed ingredient. However, giving restaurant waste directly as fish feed doesn't provide optimal fish growth due to its nutritional content as the low protein and high crude fiber. Fermentation is the process of breaking down organic compounds into simpler compounds by involving microorganisms. Fermentation can increase the nutritional value of restaurant waste and gives additional function as a fish feed component. The nutritional value of fermented restaurant waste is 29.72% protein, 4.81% crude fiber, and 16.09% fat. The use of restaurant waste is known in various studies such as feed ingredients for catfish (Clarias sp.), Tilapia (Oreochromis niloticus), Grass carp, Grey mullet (Mugil cephalus), livestock such as broiler chickens, and organic fertilizers.
    Źródło:
    World Scientific News; 2021, 158; 285-298
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of Using Fermented Lemna sp. in Fish Feed on Growth Rate of Nilem Carp (Osteochilus hasselti)
    Autorzy:
    Iskandar, Iskandar
    Andriani, Yuli
    Rostika, Rita
    Zidni, Irfan
    Riyanti, Namira Alfisah
    Powiązania:
    https://bibliotekanauki.pl/articles/1076662.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Daily growth rate
    Feed conversion ratio
    Fermentation
    Lemna sp.
    Nilem carp
    Osteochilus hasselti
    Survival rate
    Opis:
    This research aims to determine the highest level of fermented Lemna sp. used in artficial feed to produce optimum growth rate of Nilem Carp. This research was conducted from March to July 2016, in the Ciparanje Laboratory and Aquaculture Laboratory of the Fisheries and Marine Science Faculty, Universitas Padjadjaran. The method used in this research is experimental, and is of a Completely Randomized Design (CRD). It consists of five treatments and three repetitions, providing one commercial diet (as control) and four fermented Lemna sp. levels (10%, 20%, 30%, and 40%). Collected data are analyzed with analysis of variance F-test at 95% confidence level. The parameters observed in this research are divided into four sub-parameters: nutrition changes of fermented Lemna sp., daily growth rate, feed conversion ratio and survival rate. The crude fiber content of Lemna sp. was reduced from 18.37% to 13.57%, and protein content increased from 19.37% to 23.47%, respectively, after fermentation. Based on the results of this research, fermented Lemna sp. used in fish feed at 40% level produced the best results: a daily growth rate at 0.75%, a feed conversion ratio at 3.61 and a survival rate of up to 100%.
    Źródło:
    World News of Natural Sciences; 2019, 26; 157-166
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The role of marine sector optimization strategy in the stabilisation of Indonesian economy
    Autorzy:
    Rizal, Achmad
    Herawati, Heti
    Zidni, Irfan
    Apriliani, Izza M.
    Ismail, M. Rudiansyah
    Powiązania:
    https://bibliotekanauki.pl/articles/1177480.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    economic development
    economic disaster
    human resources
    marine sector
    Opis:
    Indonesian Economic crisis is not economic disaster, but as a market correction for Indonesian economic development strategy. This paper present that development of marine sector is one of development strategy as resources based development in Indonesia. Marine sector development will carry Indonesian out of crisis toward better economic development. Development of the marine sector which is basically the utilization of ecosystem diversity contained in each region, means that the development of marine is identical with economic development in each region. Production technology in the marine sector with wide variation (labor-intensive technology to knowledge-intensive technology) will be able to accommodate human resources with variations of education background. Marine based economic development strategy capable of reaching broad problem solving, capable of being implemented by Indonesia and able to lead the Indonesian nation to a better future economy.
    Źródło:
    World Scientific News; 2018, 102; 146-157
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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