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Articles by Netti Aryani
Total Records ( 4 ) for Netti Aryani
  Netti Aryani , Ainul Mardiah , Azrita and Hafrijal Syandri
  Background and Objective: Bonylip barb (O. vittatus) is a freshwater fish which have economic value. This study was carried out to evaluate the effect of oil enriched commercial feed on the survival and growth of O. vittatus. Methodology: Feed enriched with 9% of Shark Liver Oil (SLO), Fish Oil (FO), Corn Oil (CO) and Soybean Oil (SO) which had total fatty acid were 68.18, 86.57, 48.19 and 31.16%, respectively. The addition of different source of fat had influence on fatty acid composition of feed. The O. vittatus fingerlings performance was evaluated based on the survival and growth parameter. Results: Feed enriched with CO and SO obtained the lowest survival rate. The enrichment commercial feed with SO also displayed the lowest of weight, total length and percentage weight gain. Specific rate growth of O. vittatus fingerlings was highest with feed enriched with FO and SLO, followed by feed enrichment with CO and SO. Meanwhile, feed enrichment with SO produced the highest feed conversion ratio. Conclusion: Feed enriched with 9% of FO is good for survival, growth and feed conversion ratio of O. vittatus fingerlings.
  Netti Aryani , Saberina Hasibuan , Ainul Mardiah and Hafrijal Syandri
  Background and Objective: Asian Catfish (Hemibagrus wyckii) is an important fish having both food and a high price in the market. These species are categorized as a carnivorous freshwater finfish native in Indonesia and is vulnerable to endangered status. This study was carried out to identify the morphometric characteristics of Hemibagrus wyckii (H. wyckii) from the Koto Panjang Reservoir, Kampar Kanan and Kampar Kiri rivers. Materials and Methods: Twenty-five fish were collected from each sampling site. The morphometric characteristics were analyzed using the truss morphometric method. Twenty-nine characteristics were measured to obtain the morphometric characteristics of this species. Morphometric data of H. wyckii were analyzed using one-way ANOVA (SPSS version 17.0). Principal component analysis (PCA) was used to evaluate the relationship between different factors and morphometric characteristics. The distribution across different habitats was measured by component canonical analysis (CCA) and genetic distance was analyzed by hierarchical cluster. Results: The average standard lengths of H. wyckii from the Koto Panjang Reservoir, Kampar Kanan and Kampar Kiri rivers (Mean±SD) were 428±15.78, 432.52±66.11 and 425.86±50.41 mm, respectively. Twenty-nine morphometric characteristics were measured. There was a 68.96% difference obtained in samples collected at the Koto Panjang Reservoir and Kampar Kanan river. There was a 95.55% difference obtained in the Koto Panjang Reservoir, Kampar Kiri river and a 100% difference obtained in the Kampar Kanan and Kampar Kiri rivers. The main differences in morphometric characteristics included inter orbital distance, length of adipose-fin base, predorsal length, length of front dorsal fin-front pelvic and depth of caudal peduncle. The Mahalanobis distance between fish from the Koto Panjang Reservoir and Kampar Kanan river demonstrated that both types originated from a single population. Conclusion: It was concluded that more favorable morphometric characteristics of H. wyckii were found in the Kampar Kanan river compared to those from the Koto Panjang Reservoir and Kampar Kiri river.
  Netti Aryani , Ainul Mardiah , Azrita and Hafrijal Syandri
  Background and Objective: Bonylip barb (Osteochilus vittatus) is an herbivorous freshwater fin-fish species native in Indonesia. These species has high demand and price in the market. A 90 days study was conducted to evaluate the effects of different stocking densities on growth, carcass composition, survival and water quality of Osteochilus vittatus (O. vittatus) in a synthetic sheet pond. Materials and Methods: Fingerlings with an average weight of 2.45±0.071 g (Mean±SD) were randomly stocked in 12 synthetic sheet ponds (2×1 m) at densities of 50 fish m–3 (T50), 75 fish m–3 (T75), 100 fish m–3 (T100) and 125 fish m–3 (T125) in triplicate groups. One-way ANOVA followed by Duncan’s new multiple range test was used to analyze obtained data a significance level of p<0.05. Results: After 90 days of the trial, the growth in terms of weight gain (WG) and specific growth rate (SGR) of fish from T50 were significantly higher than those from T75, T100 and T125. The feed conversion ratio (FCR) was significantly lower in T50 followed by T75, T100 and T125 consecutively. Protein efficiency ratio (PER) was higher in T50 followed by T75, T100 and T125 consecutively. The survival rate (SR) of the fish from T50 was significantly higher than that of the fish from T75, T100 and T125. Significantly lower amounts of carcass lipid and carbohydrate contents were found in T125 compared to the contents of the T50, T75 and T100 fish. Conclusions: Based on the growth performance and feed efficiency, the T50 fish m–3 of O. vittatus in a synthetic sheet pond may be technically feasible.
  Netti Aryani , Indra Suharman , Ainul Mardiah and Hafrijal Syandri
  Background and Objective: Feed level is an important factor that affects oocyte maturation of female Hemibagrus wyckii broodstock. The aim of the study was to investigate the effect of different feed levels (700, 1,400 and 2,100 g lokan meat per day) on the reproductive performance of female broodfish (initial weight: 2.800±296 g and initial length: 353.2±55.5 mm). Materials and Methods: Four experimental and three replicate ponds were used to evaluate the reproductive performance of female broodfish. Broodfish fed formulated feed was used as a control. Five female broodfish were cultured in each pond. Female broodfish were fed lokan meat once a day at 17.00 pm during 120 days of the experiments. Results: The nutritional content of lokan meat (wet base) were 7.08% crude protein, 0.82% crude lipid, 2.44% carbohydrate, 0.29% crude ash and 89.37% moisture content. Feed levels significantly (p<0.05) affected final weight, oocyte maturation, egg size, percentage of ovulation, number of egg per spawn, percentage of egg weight and embryo survival. Conclusion: Feed with 2,100 g lokan meat per day provided the best result for reproductive performance of female Hemibagrus wyckii broodfish.
 
 
 
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