scholarly journals 14. PENGARUH LAMA PERENDAMAN LARVA DALAM HORMON METIL TESTOSTERON ALAMI TERHADAP PENJANTANAN IKAN LELE DUMBO (Clarias gariepinus) The Effect of Soaking Time of African Catfish Larvae (Clarias gariepinus) in Natural Methyl Testosterone Hormone on Masculinization

2016 ◽  
Vol 8 (1) ◽  
Author(s):  
Rosmaidar R
Keyword(s):  
Immersion Time ◽  
Clarias Gariepinus ◽  
African Catfish ◽  
Soaking Time ◽  
Experimental Animals ◽  
Randomized Design ◽  
Significant Difference ◽  
Completely Randomized Design ◽  
Difference Test ◽  
Banda Aceh

The purpose of this study was to determine the effect of immersion time on African catfish (Clarias gariepinus) larvae in natural methyl testosterone hormone on masculinization. This study was conducted in Center of Fish Culture Lamnyong, Banda Aceh. Experimental animals used in this study were 270 African catfish larvae aged 10 days. The study was designed using completely randomized design (CRD) with 3 treatments and 3 replications. African catfish larvae aged 10 days in group P1, P2, and P3 were immersed in natural methyl testosterone hormone for 10 hours, 20 hours, and 30 hours, respectively. Observations were carried out until fish reach 50 days old. Data were analyzed by analysis of variance (Anova) followed by least significant difference test (LSD). Percentage of male catfish observed in P1, P2, and P3 were 64.24 %, 93.11%, dan 59.94% respectively. As a conclusion, immersion with natural methyl testosterone hormone can change the sex of catfish to be male. ____________________________________________________________________________________________________________________ Key words: african catfish, methyl testosterone natural, masculinization

Organoleptic Characteristics Of Cow Skin Cracker With Variety Of Skin Types And Souring Time

2021 ◽  
Vol 3 (2) ◽  
Author(s):  
Anita Mustika Ibrahim ◽  
Harapin Hafid ◽  
Ali Bain
Keyword(s):  
Immersion Time ◽  
Skin Extract ◽  
Factor B ◽  
Soaking Time ◽  
Organoleptic Characteristics ◽  
Randomized Design ◽  
Different Types ◽  
Completely Randomized Design ◽  
Difference Test

Skin crackers are snacks which made from cattle skin. In order to get a good quality of skin crackers, the immersion process is carried out in a mixture of whiting solution and pineapple skin extract. This study aimed to evaluate the organoleptic characteristics of cow skin crackers with different types of skin and soaking time. The material used in this study is cow leather, whiting and pineapple skin. The method used is a completely randomized design factorial pattern with 3 x 3 and 4 times repetition. Factor A is the type of skin part (head, foot and neck) and factor B is difference of immersion time (24, 48, 72 and 96 hours). Research variables included color, aroma, taste, joy, crispness and acceptance of the panelists. The data obtained were analyzed using SPSS 16.0 and the smallest real difference test (LSD). The results showed that the interaction between the type of skin and immersion time did not significantly influence (P> 0.05) on color, aroma, taste, crispness, panelist acceptance and preference. Independent skin immersion time significantly influence (P <0.05) on color, aroma, taste, crispness, panelist acceptance and preference. The best treatment is obtained at 96 hours of immersion time.

scholarly journals UJI PENGGUNAAN BERBAGAI MEDIA TUMBUH DAN PEMBERIAN PUPUK GROWMORE PADA AKLIMATISASI TANAMAN ANGGREK Dendrobium

2019 ◽  
Vol 15 (2) ◽  
pp. 105-114
Author(s):  
GUSTI MARLINA ◽  
MARLINDA MARLINDA ◽  
HENI ROSNETI
Keyword(s):  
Plant Height ◽  
Growth Media ◽  
Growing Media ◽  
Randomized Design ◽  
Honestly Significant Difference ◽  
Significant Difference ◽  
Number Of Leaves ◽  
Completely Randomized Design ◽  
Difference Test ◽  
Honestly Significant Difference Test

The research objective was determine the effect of various growth media and growmore fertilizer on the acclimatization of Dendrobium orchids. study used a Completely Randomized Design (CRD) Factorial consisting of 2 factors, the first is (M) of growing media which consists of 3 levels, namely: M1 (medium fern root), M2 (wood charcoal medium), M3 (coir media coconut) and the second is (G) growmore fertilizer which consists of 4 levels, namely: G0 (without Growmore fertilizer), G1 (Growmore fertilizer 2 g / liter), G2 (fertilizer Growmore 4 g / liter), G3 (Growmore fertilizer 6 g / liter). Determine the growth of orchid plants, observations were made with the following parameters Growth Percentage (%), Plant Height (cm), Number of leaves (strands), and Number of tillers (stems). Data obtained were analyzed statistically, then continued with the Honestly Significant Difference Test (BNJ) at the level of 5%. The results showed that the single treatment of the use of growing media did not have a significant effect on the parameters of observation of growth percentage (%), plant height (cm), number of leaves (strands), and number of tillers (stems). The growth of growmore fertilizer also did not show a significant effect on the parameters of observation of growth percentage (%), plant height (cm), number of leaves (strands), and number of tillers (stems). Interaction of the use of various growth media and growmore fertilizer did not show a significant effect on the percentage of growth (%), plant height (cm), number of leaves (strands), and number of tillers (stems).

scholarly journals The evaluation of turmeric (Curcuma longa) supplementation within feed as an antioxidant towards growth performance of catfish Clarias gariepinus Burchell 1822 in zero water exchange condition

2020 ◽  
Vol 20 (2) ◽  
pp. 105
Author(s):  
Thoy Batun Citra Rahmadani ◽  
Dedi Jusadi ◽  
Mia Setiawati ◽  
Yuni Puji Hastuti
Keyword(s):  
Growth Performance ◽  
Liver Damage ◽  
Water Exchange ◽  
Curcuma Longa ◽  
Clarias Gariepinus ◽  
African Catfish ◽  
Randomized Design ◽  
Growth Performances ◽  
Exchange Condition ◽  
Completely Randomized Design

The objective of this research was to evaluate the supplementation of turmeric in the diet on antioxidant status and growth performance of African catfish (Clarias gariepinus) in zero water exchange condition. This study used a completely randomized design with 4 treatments and 4 replications. Each treatment consisted of feed supplementation turmeric at dosage of 0; 2.5; 5 or 7.5 g kg-1 diet. One hundred catfish juvenile (5.95±0.05 g) were stocked in intermediate bulk container (IBC) tank (1×1×1 m3) and rearing in zero water exchange condition for 60 days. Catfish were fed at satiation twice a day, in the morning and evening. The results showed that an increase in antioxidant content in catfish fed with the addition of turmeric, which simultaneously also reduced the percentage of liver damage. The parameters of liver damage can be seen from several parameters i.e. pale liver, droplet fat and fat content in the addition of turmeric treatment is lower than without the addition of turmeric. However, catfish fed with the addition of turmeric did not show significant results in terms of growth performances.

scholarly journals EFEK PENAMBAHAN ENZIM (Amylase, Protease, Xylanase) DALAM PAKAN TERHADAP BERAT TELUR DAN DIAMETER KUNING TELUR PADA ITIK CAMPURAN

2021 ◽  
Vol 11 (1) ◽  
pp. 39-47
Author(s):  
Bagus Uda Palgunadi ◽  
Ratna Widyawati ◽  
Dian Ayu Kartika Sari ◽  
Halimah Tusadiah
Keyword(s):  
Egg Yolk ◽  
Egg Weight ◽  
Experimental Animals ◽  
Anova Test ◽  
Average Value ◽  
Randomized Design ◽  
Significant Difference ◽  
Completely Randomized Design

The purpose of this research aims to determine the effect of adding enzymes (amylase, protease, xylanase) in feed on egg weight and egg yolk diameter in mixed ducks. The experimental animals used were 24 laying ducks. The design used was a completely randomized design (CRD) with 4 treatments and 6 replications. The four treatments were P0 (Control), P1 (6 ducks with Avizym1502®5gram / kg), P2 (6 ducks with Avizym1502® 10gram / kg), and P3 (6 ducks given Avizym1502). ® 15gram / kg). This treatment is carried out once a day for 9 weeks. Before the treatment, the ducks were adapted for a week. After that, the initial egg weight and yolk diameter were measured at week 0, week 6, and week 9. Data obtained from the results of weighing eggs found an average value of P0 (59.1667 ± 3.9200a) g, P1 5gram / kg (56.1667 ± 2.9268a) g, P2 10gram / kg (60.1667 ± 4.9966a) g, and P3 15gram / kg (67.6667 ± 2.7325ᵇ) g. The results of data from examining the diameter of the egg yolk found an average value of P0 (45.03 ± 1.2956a) mm, P1 5gram / kg (44.35 ± 0.7969a) mm, P2 10gram / kg (45.75 ± 1.5694a) mm, and P3 15gram / kg (48.83 ± 0.7394ᵇ) mm. The data obtained were then analyzed using the ANOVA test which statistically showed that there was a significant difference (P <0.05) between egg weight and yolk diameter in mixed ducks treated with enzymes (amylase, protease, xylanase) in the feed.

scholarly journals Giving Lemna Minor and Mud to the Growth of Tubifex sp.

2019 ◽  
Vol 1 (3) ◽  
pp. 23-27
Author(s):  
Mahendra Mahendra ◽  
Doni Damara ◽  
Mursidatun Nufus ◽  
Vira Riana Putri
Keyword(s):  
Analysis Of Variance ◽  
Lemna Minor ◽  
Research Results ◽  
Randomized Design ◽  
Significant Difference ◽  
Completely Randomized Design ◽  
Difference Test

This study aims to determine the effect of the use of a combination of lemna minor substrates and mud on the biomass of the population of Tubifex sp. This research is experimental, with a completely randomized design (CRD), with five levels of treatment P1 = 100% (lemna minor ) + 2,000 gr (mud), P2 = 75% (lemna minor ) + 2,000 gr (mud), P3 = 50 % (lemna minor ) + 2,000 gr (mud), P4 = 25% (lemna minor) + 2,000 gr (mud), P5 = 0% (lemna minor) + 2,000 gr (mud). Data obtained from research results in analysis of variance (ANOVA) and in further testing with the Smallest Significant Difference test. The main parameters observed were the number of population and biomass of Tubifex sp. The results of the study showed that the combination of Lemna minor substrate and mud significantly (p <0.05) on the growth of biomass and the population of Tubifex sp. The best results were found in the treatment with the treatment formulation P1 = 100% (lemna minor ) + 2,000 gr (mud) which produced a population of 6,250 ind / gr and biomass 8.60 gr / m2.

scholarly journals PENGARUH PROPORSI DAMI NANGKA TERHADAP KARAKTERISTIK KIMIA, FISIK DAN ORGANOLEPTIK SELAI LEMBARAN NANAS

Pro Food ◽  
2020 ◽  
Vol 6 (2) ◽  
pp. 685
Author(s):  
Ni Made Neni Parmiutari ◽  
Eko Basuki ◽  
Rucitra Widyasari
Keyword(s):  
Moisture Content ◽  
Analysis Of Variance ◽  
Chemical Properties ◽  
Randomized Design ◽  
Yellow Color ◽  
Significant Difference ◽  
L Value ◽  
Completely Randomized Design ◽  
Total Dissolved Solid ◽  
Difference Test

ABSTRACT             This study aims to determine the chemical properties (moisture content, pH and total dissolved solid), physical properties (texture and color) and organoleptics (taste, color, aroma, texture) in the different formulation of slice jam from mixture straw jackfruit and pineapple. This study used a Completely Randomized Design (CRD) with 6 treatments and 3 time replications and analyzed using Analysis of Variance at the 5% level and followed by Least Significant Difference test at the 5% level. These treatments include P0 (100 % pineapple), P1 (80% pineapple: 20% straw jackfruit), P2 (65% pineapple: 35% straw jackfruit), P3 (50% pineapple: 50% straw jackfruit), P4 (35% pineapple: 65% straw jackfruit), dan P5 (20% pineapple: 80% straw jackfruit). Observations made on moisture content, pH, total dissolved solid, texture, color and organoleptic taste, color, texture and aroma (scoring and hedonic). The results showed that the P3 treatment (50% straw jackfruit: 50% pineapple) was the preferred treatment for the panelists on the parameters of color, taste, and texture with the characteristics of moisture content 23.35%, pH 4.86, total dissolved solids 32,46oBrix, L value 44.79 and Hue value 70.67o and brownish yellow color, slightly pineapple taste, chewy texture and pineapple aroma and slightly jackfruit aroma. Keywords: pineapple, slice jam, straw jackfruit ABSTRAK       Penelitian ini bertujuan untuk mengetahui sifat kimia (kadar air, pH dan total padatan terlarut), sifat fisik (tekstur dan warna) dan organoleptik (rasa, warna, aroma, tekstur) pada formulasi selai lembaran dari campuran dami nangka dan buah nanas yang berbeda. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dengan 6 perlakuan dan 3 kali ulangan dan dianalisis menggunakan analisis keragaman (Analysis of Variance) pada taraf 5% dan dilanjutkan dengan uji Beda Nyata Terkecil pada taraf 5%. Perlakuan diantaranya P0 (100 % buah nanas), P1 (80% buah nanas: 20% dami nangka), P2 (65% buah nanas: 35% dami nangka), P3 (50% buah nanas: 50% dami nangka), P4 (35% buah nanas: 65% dami nangka), dan P5 (20% buah nanas: 80% dami nangka). Pengamatan dilakukan terhadap kadar air, pH, total padatan terlarut, tekstur, warna dan organoleptik rasa, warna, tekstur dan aroma (skoring dan hedonik). Hasil penelitian menunjukkan bahwa perlakuan P3 (50% dami nangka : 50% buah nanas) merupakan perlakuan yang agak disukai panelis pada parameter warna, rasa, dan tekstur dengan karakteristik kadar air 23,35%, pH 4,86, total padatan terlarut 32,46oBrix, nilai L 44,79 dan nilai Hue 70,67o serta warna kuning kecokelatan, agak berasa asam nanas, tekstur kenyal dan beraroma nanas dan sedikit beraroma nangka. Kata kunci: buah nanas, dami nangka, selai lembaran

scholarly journals Pengaruh Waktu Pengomposan Media Tanam terhadap Pertumbuhan dan Hasil Jamur Tiram Putih (Pleorotus ostreatus)

2021 ◽  
Vol 8 (1) ◽  
pp. 19-28
Author(s):  
Heri Kusnayadi ◽  
Indra Wira Pratama ◽  
Ikhlas Suhada ◽  
Nila Wijayanti
Keyword(s):  
Vegetable Protein ◽  
Fruit Weight ◽  
Growth And Yield ◽  
Emergence Time ◽  
Reduce Body Weight ◽  
Randomized Design ◽  
Significant Difference ◽  
Oyster Mushrooms ◽  
Completely Randomized Design ◽  
Difference Test

The cultivation of consumption mushrooms in Indonesia is showing an encouraging development. Currently, Indonesia is included as one of the world's major mushroom suppliers. Mushrooms are a source of vegetable protein that does not contain cholesterol and can prevent high blood pressure, heart disease, diabetes, and can reduce body weight. The research objective was to determine the effect of composting time on planting media on the growth and yield of white oyster mushrooms. The research was conducted in the Mapin Kebak Village, sub-district Alas Barat star from May to June 2020. The research was conducted using an experimental method and using a completely randomized design consisting of 5 treatments, where each treatment consisted of three replications. The research treatments consisted of M1 = composting for 6 hours; M2 = composting for 12 hours; M3 = composting for 24 hours; M4 = composting for 36 hours and M5 = composting for 48 hours. Furthermore, the data from the observations were analyzed by ANOVA at the real level of 5%. If the results of the data analysis show a significant difference, then a further test is carried out using the Least Significant Difference Test at the 5% real level. The results of the analysis showed that the fastest time to spread mycelium was in the M5 treatment, the composting time was 48 hours. The fastest primordia emergence time was 24 hours composting M3 treatment. The heaviest fruit weight was in treatment M3 and the lowest fruit weight was in treatment M1.

scholarly journals Variasi Lama Kejutan Panas pada Suhu yang Sama terhadap Tingkat Penetasan Telur (HR) Ikan Lele Dumbo (Clarias gariepinus)

2020 ◽  
Vol 3 (1) ◽  
pp. 37
Author(s):  
Anny Rimalia
Keyword(s):  
Heat Shock ◽  
Clarias Gariepinus ◽  
Shock Duration ◽  
African Catfish ◽  
Hatching Rate ◽  
Egg Hatching ◽  
Temperature Shock ◽  
Randomized Design ◽  
Completely Randomized Design ◽  
Different Climates

<p><em>Species, temperature shock duration, fertilization temperature from different climates can cause different hatching results, so it is necessary to do research on the treatment of variations in heat shock at the same temperature, to obtain information about the hatching rate (HR) of African catfish (Clarias gariepinus). The method used is completely randomized design (3x3). The results of the egg hatching rate (HR), with variations in the heat shock at the same temperature (35⁰C), </em><em>showed the highest rate of hatching dumbo catfish eggs at heat shock one minute 233.00%, then heat shock two minutes 212.00%, and heat shock three minutes 200.00% respectively.</em><em></em></p>

scholarly journals Isolasi dan Aplikasi Fungi Entomopatogen dari Larva Nyamuk Aedes aegypti L.

2019 ◽  
Vol 11 (2) ◽  
pp. 87-93
Author(s):  
Wuri Artikasari ◽  
Emantis Rosa ◽  
Bambang Irawan
Keyword(s):  
Aedes Aegypti ◽  
Entomopathogenic Fungi ◽  
Negative Impact ◽  
Hemorrhagic Fever ◽  
Mosquito Larvae ◽  
Chemical Insecticide ◽  
Randomized Design ◽  
Significant Difference ◽  
Completely Randomized Design ◽  
Difference Test

DHF (Dengue Hemorrhagic Fever) is a serious problem in Indonesia. DHF disease control has been applied so far, one of which is the use of larvacide temephos (abate). However larvacide is a chemical insecticide that has a negative impact on human health and causes resistance. Therefore in this research, biological control is carried out by utilizing entomopathogenic fungi as a larvacide. The purpose of this study was to determine the effectiveness of entomopathogenic fungi isolated from Ae aegypti larvae. Against the death of Ae. Aegypti mosquito larvae with the moist chamber method. This study used a completely randomized design (CRD) with a factorial pattern and performed two repetitions. Factor A is a type of fungi with 3 levels, namely A1: Aspergillus sp1, A2: Aspergillus sp2, and A3: Syncephalastrum sp. Factor B is a dilution with 7 levels, namely B0: Control, B1: 100 (without dilution), B2: 10-1, B3: 10-2, B4: 10-3, B5: 10-4, B6: 10-5 with every treatment was applied in 2 repetitions. Observations were made 24 hours after treatment for 3 days. Data were analyzed using analysis of variances (anova) and continued with the Least Significant Difference Test (LSD) at 5%. The results indicate that fungi isolates are the most effective in killing Ae. Aegypti mosquito larvae is Aspergillus sp1 and Aspergillus sp2 on the treatment of spores without dilution. Key words: DHF; larvacide; Aedes aegypti; Entomopathogenic Fungi.

scholarly journals The Effect of Cocopeat and Charcoal Combination in Growing Media of Green Mustard (Brassica rapa L.) Var. Parachinensis Growth

2020 ◽  
Vol 7 (1) ◽  
pp. 62-66
Author(s):  
Masniar Vina Kesti ◽  
Bambang Irawan ◽  
Priyambodo Priyambodo ◽  
Martha Lulus Lande
Keyword(s):  
Dry Weight ◽  
Growing Media ◽  
Randomized Design ◽  
Vigor Index ◽  
Growing Medium ◽  
Significant Difference ◽  
Seedling Roots ◽  
Completely Randomized Design ◽  
Water Gas ◽  
Difference Test

Green mustard is one type of vegetable that is easily cultivated and has good prospects to increase farmers' income and community nutrition. Growing media is a material that is useful as a place to stand upright seedlings, to develop seedling roots, to store water, gas, and nutrients needed for seedling growth. The purpose of this study is a). to determine the effect of using a combination of cocopeat and charcoal as a medium for planting mustard greens, b). to get the best dosage of the composition of the growing medium on the growth of mustard greens. The study was conducted in a completely randomized design (CRD) with 4 treatments and 6 replications. The data were analyzed by analysis of variance (ANOVA) and further tested with the Least Significant Difference test (LSD) = 5%. The results showed that the use of cocopeat growing media and charcoal influenced germination and vigor index. Cocopeat and charcoal have a significant effect on fresh and dry weight and chlorophyll content of mustard greens. The mixture of cocopeat growing media and charcoal on P1 did not affect the growth of green mustard on the dry weight. Fresh weight gave a significant effect on K1 and P1 was also significantly different from P2 and P3.

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