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Articles by Gita Ciptaan
Total Records ( 5 ) for Gita Ciptaan
  Mirnawati , Ade Djulardi and Gita Ciptaan
  Background and Objective: Palm kernel cake (PKC) can potentially be used as feedstuff, especially for poultry. PKC needs to be processed in advance, by fermentation, with Sclerotium rolfsii. An experiment was conducted to evaluate the utilization of palm kernel cake fermented (PKCF) with Sclerotium rolfsii in the diet of broiler. Materials and Methods: Two hundred day-old chicks (DOC) were used in this study. The diet was arranged based on the equal amount of energy and protein, which were 3000 kcal kg–1 and 22%, respectively. The experiment used a completely randomized design (CRD) with 5 treatments and 4 replications. The treatments were arranged as follows: (1) 10% PKCF (control diet), (2) 15% PKCF, (3) 20% PKCF, (4) 25% PKCF and (5) 30% PKCF in broiler diet. The parameters measured were feed consumption, body weight gain, feed conversion, body weight, carcass weight, crude fiber digestibility and nitrogen retention of broiler. Results: Feed consumption, body weight gain, feed conversion, body weight, carcass weight, crude fiber digestibility and nitrogen retention were highly significantly decreased (p<0.01) with any treatment. Conclusion: The palm kernel cake fermented (PKCF) with Sclerotium rolfsii can be used up to 25% in broiler ration.
  Yetti Marlida , Rina Delfita , Peri Adnadi and Gita Ciptaan
  Thirty four isolates of endophytic fungus produce phytases were isolated from leaf, stem and root fragments of soybean. Two isolates were the best of phytases enzyme producer and identified as Rhizoctonia sp. and Fusarium verticillioides. The phytase production was induced by phytate in medium used. The crude preparations were used in subsequent characterization studies, pH and temperature optimum and compared to other phytases tested and is thus a promising candidate for animal feed applications. The results showed that optimal production of phytase from Rhizoctonia sp. were pH 4.0 and temperature 50oC and pH 5.0, temperature 50oC for Fusarium verticillioides.
  Gita Ciptaan , Yetti Marlida , Periadnadi and Yose Rizal
  The research was conducted to determine the optimum dose of phytase supplementation of Fusarium verticillioides on Phosphor-deficient rations. This study used 24 broiler chickens (4 weeks). This research used Completely Randomized Design (CRD) with five ration treatments with 4 replications. Ration treatment was supplemented phytase with different doses: R1: 0 U/kg, R2: 250 U/ kg, R3: 500 U/kg, R4: 750 U/kg and R5: 1000 U/kg. Ration was based on iso protein (20%) and iso energy (2882 kcal/kg). The variables measured were retention of phosphor, calcium and nitrogen. The results showed that supplementation of phytase on broiler rations which Phosphor-deficiency was influenced the retention of Phosphor, calcium and nitrogen significantly (P<0.01). The optimum phytase supplementation of Fusarium verticillioides on broiler rations which phosphor-deficient was 750 U/kg ratio, it is seen from retention of phosphor (71.38%), calcium (75.65%) and nitrogen (67.61%).
  Mirnawati , Ade Djulardi and Gita Ciptaan
  Objective: An experiment was conducted to understand the effects of different microbes and doses of humic acid on the quality and nutrient content of Fermented Palm Oil Sludge (FPOS). Materials and Methods: The experiment was conducted using a 2×3 factorial Completely Randomized Design (CRD) with 3 replications. The first factor was two species of microbe, Neurospora sitophila and Neurospora crassa and the second was different doses of humic acid: (1) 100 ppm, (2) 200 ppm and (3) 300 ppm. The study parameters were the crude protein content, crude fiber content, nitrogen retention and digestible crude fiber content of FPOS. Results: The study parameters were more significantly affected by the interaction between the type of microbe and the dose of humic acid (p<0.01) than the humic acid dose alone. FPOS treated with Neurospora crassa and humic acid at 200 ppm showed better values for crude protein (23.74%), crude fiber (20.14%), crude lipid (2.70%), nitrogen retention (60.97%) and digestible crude fiber (55.63%) compared to FPOS treated with Neurospora sitophila. Conclusion: It is concluded that POS fermented with Neurospora crassa and 200 ppm humic acid provides the best food content and quality of FPOS.
  Mirnawati , Gita Ciptaan and Ade Djulardi
  Background and Objective: Palm oil sludge, as a byproduct of the palm oil industry, is an agricultural waste product that can be used as an alternative feedstuff for poultry. Palm oil sludge also contains nutrients that can be used as feed ingredients for poultry. Palm oil sludge is limited in use in broiler rations because of its low quality and nutrient content. For this reason, it is necessary to process palm oil sludge by fermentation methods to improve the quality and the nutrient content. This study aimed to determine the combined effect of fungi (P. chrysosporium and N. crassa) and fermentation time to improve the quality of fermented palm oil sludge. Materials and Methods: The materials used in this study were palm oil sludge, the fungi Phanerochaete chrysosporium and Neurospora crassa and fermentation materials and tools. This experimental study used a completely randomized design (CRD) with a 3×3 factorial pattern with 3 replications. The treatments consisted of factor A (combination of Phanerochaete chrysosporium and Neurospora crassa), which consisted of A1 (3:1), A2 (3:2) and A3 (4:1) and factor B (fermentation time), which consisted of B1 (7 days), B2 (10 days) and B3 (13 days). Results: The results of the analysis of variance showed that there was a significant interaction (p<0.05) between factor A and factor B. Each factor A and B showed a significant effect (p<0.05). Conclusion: In this study, it was concluded that the combination of Phanerochaete chrysosporium and Neurospora crassa (4:1) and 13 days of fermentation time provided optimal results, with 26.20% crude protein, 14.49% crude fiber, 14.54% lignin, 58.20% nitrogen retention and 57.66% crude fiber digestibility.
 
 
 
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