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    Tytuł:
    Effectiveness of potassium diformate in artificial feed against the growth rate of Nilem fish Osteochilus hasselti (Valenciennes, 1842) seed
    Autorzy:
    Yustiati, Ayi
    Chaerani, Amanda Shafira
    Rosidah, Rosidah
    Rostini, Iis
    Powiązania:
    https://bibliotekanauki.pl/articles/1068623.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Growth Rate
    Nilem Fish
    Osteochilus hasselti
    Potassium diformate
    Opis:
    Nilem fish is an endemic fish in West Java that has the potential to be developed into superior aquaculture products. The effect of feed additives on growth can help in increasing the protein synthesis process so that the fish growth process can be optimal. This research was carried out at the Ciparanje Experimental Pond Hatchery at the Faculty of Fisheries and Marine Sciences, Universitas Padjadjaran, from October 1 2018 to November 20 2018. The research method was carried out experimentally with Completely Randomized Design (CRD). This study used four treatments which were repeated three times. The treatment in this study consisted of adding potassium diformate to artificial feed at doses of 0%, 0.1%, 0.3%, and 0.5% per 100 grams of feed. The parameters observed in this study were survival, growth rate, feed efficiency, and water quality. The analysis used was the f test and descriptive analysis. The survival rate, growth rate and feed efficiency range from 87.08% -93.75%, 2.22% -2.26% and 41.21%-47.69% respectively. The addition of potassium diformate to artificial feed up to 0.5% per 100 grams of feed can be used as a feed additive in nilem fish cultivation.
    Źródło:
    World Scientific News; 2019, 132; 244-255
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Utilization of Liquid Commercial Probiotics to Improve Survival and Growth of Siamese Catfish Fingerlings (Hypopthalmus pangasionodon (Sauvage, 1878))
    Autorzy:
    Meidi, Wulan Sutiandari
    Lili, Walim
    Iskandar, Iskandar
    Suryadi, Ibnu Bangkit Bioshina
    Powiązania:
    https://bibliotekanauki.pl/articles/1076704.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Hypopthalmus pangasionodon
    Siamese catfish
    feed convertion ratio
    growth rate
    probiotics
    survival rate
    Opis:
    The purpose of this research is to determine the effect of liquid commercial probiotics usage on improving the survival rate and growth of Siamese catfish fingerlings. This research was conducted on March to May 2018, at Building 4 Laboratory, Faculty of Fisheries and Marine Sciences, Universitas Padjadjaran. This study used an experimental method with Completely Randomized Design (CRD), which consisted of four treatments and three replications. The treatments are feed without the addition of probiotics, and feed with additional probiotics at doses of 2, 4, and 6 ml / kg of feed. The parameters observed were survival rate, absolute weight, absolute length, feed conversion ratio, proximate test analysis and water quality. Data on absolute weight, absolute length, feed conversion ratio and survival rate were analyzed using analysis of variance, while nutrition changes of fish feed and water quality were analyzed descriptively. The results showed that the best addition of probiotics for feed, is with probiotic doses of 2 ml / kg of feed, which resulted in a 100% survival rate, an absolute weight value of 1.03% and a feed conversion ratio of 1.13.
    Źródło:
    World News of Natural Sciences; 2019, 24; 54-63
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Effect of Probiotic Addition in Commercial Feed to Growth and Survival Rate of Sangkuriang Catfishes (Clarias gariepinus (Burchell, 1822))
    Autorzy:
    Lili, Walim
    Hartanto, Rezky
    Kurniawati, Nia
    Herawati, Titin
    Bangkit, B. S. Ibnu
    Powiązania:
    https://bibliotekanauki.pl/articles/1109212.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Clarias gariepinus
    Sangkuriang catfish
    feed conversion ratio
    probiotic
    specific growth rate
    survival rate
    Opis:
    This study was conducted to determine the effect of probiotic addition in commercial feed to the growth and survival rate of Sangkuriang catfish (Clarias gariepinus). This research was conducted at the Ciparanje Experimental Pond Laboratory, Faculty of Fisheries and Marine Sciences, Universitas Padjadjaran, Jatinangor, West Java. The method in used this research was Completely Randomized Design with four treatments and four replications. The treatment was the variances of probiotic addition which consisted of control (without probiotics), probiotic addition at as much as 0.5 grams / kg of feed, 1 gram / kg of feed and 1.5 grams / kg of feed. The parameters observed were specific growth rate (SGR), absolute biomass, survival rate (SR) and feed conversion ratio (FCR). Data were analyzed using Variant Analysis, at 95% confidence level, and continued with Duncan's Multiple Range Test. The results showed that the increase in the daily growth rate of Sangkuriang catfish was straight-line with the addition of probiotics. Furthermore, commercial probiotics with a dose of 1 gram / kg of feed resulted in specific growth rate of 4.22%, absolute weight of 11 grams, survival rate (SR) of 97.5% and FCR of 0.89.
    Źródło:
    World News of Natural Sciences; 2018, 21; 130-140
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Extraction of eucalyptus oil as reduction of bacterial growth in drinking water
    Autorzy:
    Dubey, A.K.
    Sahu, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/11148.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    extraction
    eucalyptus oil
    reduction
    bacterial growth
    drinking water
    composition
    essential oil
    growth rate
    microbe
    Opis:
    Drinking water is acting as life line for living thing on the Earth, without that no life. Due to global industrialization availability of pure water is one of the major issues. The effluent are directly or indirectly discharge through the river stream, which affect the ground as well as sea water and climatically cycle water reach to us. In that condition medicine are required for quire purpose. In the world so many plants and herbs are available which are used as antimicrobial and sources of medicines. Today the large number of drugs in use is derived from plants. The important advantages for therapeutic uses of medicinal plants in various ailments are their safety besides being economical, effective and easy availability. In this regard’s herb plant Eucalyptus extracted oil is used as antibacterial agent to treat the drinking water.
    Źródło:
    International Letters of Natural Sciences; 2014, 11, 2
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    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:
    Growth and Yield Response of Maize (Zea mays L.) to a Wide Range of Nutrients on Ferralsols of Western Kenya
    Autorzy:
    Otieno, Hillary M. O.
    Powiązania:
    https://bibliotekanauki.pl/articles/1075498.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Agronomic efficiency
    Zea mays
    crop growth rates
    fertilizer application
    maize
    micronutrients yield response
    nitrogen response
    phosphorus response
    potassium response
    relative growth rate
    Opis:
    Declining soil fertility is one of the main causes of low yields of maize. Farmers apply low rates of unbalanced nutrients leading to further nutrient mining. A randomized complete block nutrient omission trial with six replications was therefore set to determine maize response to the application of a wide range of nutrients from inorganic fertilizers on Ferralsols. The treatments were NK, NP, PK, NPK, and NPK + CaMgZnBS. The results showed that application of PK fertilizer resulted in low crop growth rate (CGR), and relative growth rate (RGR), and biomass compared to other treatments. Application of a wider range of nutrients (NPK + CaMgZnBS treatment) improved maize growth and yield compared to other treatments. In terms of grain response, Urea application recorded the highest yield (1800 kg/ha) followed by Triple Superphosphate (1300 kg/ha) then Muriate of potash (1100 kg/ha) and least by a combined application of secondary nutrients and micronutrients (ZnBMgCaS = 400 kg/ha). Highest agronomic efficiency of 32.5 kg grain /kg P applied was recorded due to P followed by K (27.5 kg grain /kg K) and least by N (15 kg grain /kg N). Based on the combined effect, application of N-P-K based fertilizers could give better yields. Use of micronutrients should be assessed further for conclusive recommendations.
    Źródło:
    World Scientific News; 2019, 129; 96-106
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Impact of Exchange Rate on Economic Growth in Sri Lanka
    Autorzy:
    Aslam, A. L. Mohamed
    Powiązania:
    https://bibliotekanauki.pl/articles/1191250.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Exchange rate
    Economic growth
    Interest rate
    Colombo Consumer Price Index
    Opis:
    Exchange rate is identified as a factor for turning vector of the economic growth of countries which was empirically confirmed by several related studies. But in Sri Lankan context it was not confirmed. Therefore, the objective of this study was to test the impact of exchange rate on the economic growth in Sri Lanka. To achieve this objective, the annual time series data from 1970 to 2015 were used and the variables such as gross domestic product, exchange rate, inflation rate, and interest rate were considered and the multiple regressions model using Ordinary Least squared method was employed. Based on the outcome of the multiple regression model, this study confirmed that the exchange rate positively influenced on the economic growth in Sri Lanka at one percent significant level.
    Źródło:
    World Scientific News; 2016, 54; 252-266
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of Growth Drivers on Cooperative Societies
    Autorzy:
    Akpoviroro, Kowo Solomon
    Amos, Akinbola Olufemi
    Olalekan, Akinrinola
    Powiązania:
    https://bibliotekanauki.pl/articles/1166076.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Growth Drivers
    Interest Rate
    Patronage
    Savings Plan
    Welfare
    Opis:
    A cooperative society has remained a major concern especially in the developing countries like Nigeria. This study was born out of necessity to provide answers to fundamental questions raised on cooperatives societies. The objectives of this research was to ascertain the significant relationship between growth drivers and cooperative societies and to investigate significant relationship between cooperative societies and growth drivers such as interest rate, savings plan and to determine if amount borrowed has assisted to increase welfare and satisfaction of members. The primary data was gathered using structured questionnaire. The survey method was used and a cross-sectional design was adopted. The two institution chosen are the Federal University of Agriculture, Abeokuta (FUNAAB), and Covenant University (CU). Total population of the selected cooperative society in FUNAAB is 573 and the total population of the selected cooperative society in CU is 697. The data was analysed using statistical package for the social sciences, (SPSS). It also made use of analysis of variance (ANOVA), Simple linear regression analysis was used to test hypotheses one and correlation analysis was employed to test hypothesis two. The study indicate that interest rate of cooperative societies is a significant predictor of patronage of the cooperative, it was revealed that there exist a relationship between loan repayment periods, savings plan and the satisfaction of members of the cooperative The study recommended the need for the improvement in the performance of the cooperative societies.
    Źródło:
    World Scientific News; 2018, 106; 117-130
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Budget Deficit and Economic Growth in Sri Lanka: An Econometric Dynamic Analysis
    Autorzy:
    Aslam, A. L. Mohamed
    Powiązania:
    https://bibliotekanauki.pl/articles/1192692.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Dynamic relationship
    Budget deficit
    Economic growth
    Export earnings
    Exchange rate and Inflation
    Opis:
    Budget deficit is a debating word in developing countries; it maintains a relationship with economic growth of countries in different aspects. The objective of this study was to test the dynamic relationship between the budget deficit and the economic growth of Sri Lanka using annual time series data from 1959 to 2013.To test this objective, the budget deficit of Sri Lanka was used as main independent variable and the gross domestic product in constant price was utilized as dependent variable. The exports earnings, exchange rate, inflation rate were used supportive independent variables of this study. The Johansen cointegration technique and Vector Error Correction Model were employed to test the long and short - run dynamic relationship between the budget deficit and the economic growth of Sri Lanka. This study found that all variables were cointegrated at 1st difference form. In the meantime the budget deficit and economic growth of Sri Lanka had preserved a long- run dynamic relationship during the study period but no short- run dynamic relationship. In addition, the budget deficit had positive relationship with economic growth of Sri Lanka.
    Źródło:
    World Scientific News; 2016, 46; 176-188
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Success Rate of Mangrove Planting based on Mangrove Morphology at Pramuka Island, Kepulauan Seribu National Park, Indonesia
    Autorzy:
    Palufi, Gita Endang
    Hamdani, Herman
    Pratama, Rusky Intan
    Sahidin, Asep
    Powiązania:
    https://bibliotekanauki.pl/articles/1076621.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Kepulauan Seribu National Park
    Pramuka Island
    Rhizophora stylosa
    growth
    mangrove
    success rate
    Opis:
    Planting mangroves on Pramuka Island is done in a monoculture way and usually fails. However, the planting managed by the Kepulauan Seribu National Park has become more successful. The specific objective of the research was to quantify the success rate of mangrove planting in Pramuka Island based on survival, growth and benthos levels in Pramuka Island mangroves. The mangrove planting area that was used as the research sample was an area wherein the planting are 14, 12 and 6 years old. The type of mangrove that planted is Rhizophora stylosa. The number of plots was determined based on the area. Data was collected in the form of primary data, namely, the number of living trees, tree heights, number of leaves and leaf dimensions. The success of mangrove planting reached 52%, 66.43% and 57.5% at stations 1, 2 and 3. The highest success rate was at station 2, while stations 1 and 3 are considered failures. This indicates that Pramuka Island has a low success rate of mangrove planting.
    Źródło:
    World News of Natural Sciences; 2019, 27; 73-84
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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