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RISS 인기검색어
- 검색키워드
- 저자 : Kayvan Etebari (검색결과 6 건)
- 무료
- 기관 내 무료
- 유료
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Kayvan Etebari,Lelia Matindoost 한국응용곤충학회 2005 Journal of Asia-Pacific Entomology Vol.8 No.1
In order to investigate the effects of supplementary nutrients on silkworm, Bombyx mori, an experiment was conducted with multi-vitamins treatments. Leaves enriched with multi-vitamins (1, 2.5 and 5%) were fed once a day to 4th and 5th instar silkworm larva. The supplementation of the leaves was done by spraying the treatments on them. These treatments resulted in a significant increase in biological and economical parameters such as larval weight, female and male cocoon weight, pupal weight and egg productivity when compared with normal control. Multi-vitamins of 2.5% treatment increased the larval weight by 10.2%, which had the most weight enhancement in the fifth day of 5th instar larvae. However, 5% concentration of multi-vitamins decreased some biological characteristics. These treatments resulted in 4.7% increase of cocoon's weight. In most of the moths the number and weight of eggs had significant difference compared to control, but these supplementary materials caused relatively less egg hatching.
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Etebari Kayvan,Matindoost Leila Korean Society of Applied Entomology 2005 Journal of Asia-Pacific Entomology Vol.8 No.1
In order to investigate the effects of supplementary nutrients on silkworm, Bombyx mori, an experiment was conducted with multi-vitamins treatments. Leaves enriched with multi-vitamins (1, 2.5 and $5\%$) were fed once a day to 4th and 5th instar silkworm larva. The supplementation of the leaves was done by spraying the treatments on them. These treatments resulted in a significant increase in biological and economical parameters such as larval weight, female and male cocoon weight, pupal weight and egg productivity when compared with normal control. Multi-vitamins of $2.5\%$ treatment increased the larval weight by $10.2\%$, which had the most weight enhancement in the fifth day of 5th instar larvae. However, $5\%$ concentration of multi-vitamins decreased some biological characteristics. These treatments resulted in $4.7\%$ increase of cocoon's weight. In most of the moths the number and weight of eggs had significant difference compared to control, but these supplementary materials caused relatively less egg hatching.
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Kayvan Etebari,Rahim Ebadi,Leila Matindoost 한국잠사학회 2004 International Journal of Industrial Entomology Vol.8 No.1
In order to investigate the effects of supplementary nutrients on silkworms, Bombyx mori, an experiment was conducted with ascorbic acid treatments. Dietary supplements of ascorbic acid 1, 2 and 3% were fed to silkworm larvae through 1st to 5th instar. The larvae were fed by mulberry leaves of Kokoso variety and the supplementary leaves were used once a day. These treatments resulted in a significant increase of biological parameters such as larval weight, the rate of food consumption and the approximate digestibility of the food. But the economical parameters such as cocoon weight and cocoon shell weight didnt show considerable difference compared to control. Dietary supplement of 2% ascorbic acid increased the larval weight by 7.8% and reached to 1.065 g, which had the highest weight increase in the fourth day of 4th instar larvae. The percentage of daily weight increase in this group of larvae (79.01%) had significant difference compared with other treatments. The nutritional efficiency index in this group of larvae was better than others. Also the abundance of biochemical macromolecules such as glucose, cholesterol, triacylglycerol and urea in haemolymph of larvae fed by 2% ascorbic acid increased to become 29.75 (mg/dl), 24 (mg/dl), 75.4 (mg/ml) and 32.1 (mg/ml) respectively. But protein contents of haemolymph of larvae in each treatment were not significantly different. Since all the results achieved were not considerable either statistically or economically, this method could not be recommended to improve the sericultural parameters.
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Etebari, Kayvan,Ebadi, Rahim,Matindoost, Leila Korean Society of Sericultural Science 2004 International Journal of Industrial Entomology Vol.8 No.1
In order to investigate the effects of supplementary nutrients on silkworms, Bombyx mori, an experiment was conducted with ascorbic acid treatments. Dietary supplements of ascorbic acid 1, 2 and 3% were fed to silkworm larvae through 1st to 5th instar, The larvae were fed by mulberry loaves of Kokoso variety and the supplementary loaves were used once a day. These treatments resulted in a significant increase of biological parameters such as larval weight, the rate of food consumption and the approximate digestibility of the food. But the economical parameters such as cocoon weight and cocoon shell weight didnt show considerable difference compared to control. Dietary supplement of 2% ascorbic acid increased the larval weight by 7.8% and reached to 1.065g, which had the highest weight increase in the fourth day of 4th instar larvae. The percentage of daily weight increase in this group of larvae (79.01%) had significant difference compared with other treatments. The nutritional efficiency index in this group of larvae was better than others. Also the abundance of biochemical macromolecules such as glucose, cholesterol, triacylglycerol and urea in haemolymph of larvae fed by 2% ascorbic acid increased to become 29.75 (mg/㎗), 24 (mg/㎗), 75.4(mg/㎗) and 32.1(mg/㎗) respectively. But protein contents of haemolymph of larvae in each treatment were not significantly different. Since all the results achieved were not considerable either statistically or economically, this method could not be recommended to improve the sericultural parameters.
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( Kayvan Etebari ),( Rahim Ebadi ),( Leila Matindoost ) 한국잠사학회 2007 International Journal of Industrial Entomology Vol.8 No.1
In order to investigate the effects of supplementary nutrients on silkworms, Bombyx mori, an experiment was conducted with ascorbic acid treatments. Dietary supplements of ascorbic acid 1, 2 and 3% were fed to silkworm larvae through 1st to 5th instar, The larvae were fed by mulberry loaves of Kokoso variety and the supplementary leaves were used once a day. These treatments resulted in a significant increase of biological parameters such as larval weight, the rate of food consumption and the approximate digestibility of the food. But the economical parameters such as cocoon weight and cocoon shell weight didnt show considerable difference compared to control. Dietary supplement of 2% ascorbic acid increased the larval weight by 7.8% and reached to 1.065 g, which had the highest weight increase in the fourth day of 4th instar larvae. The percentage of daily weight increase in this group of larvae (79.01%) had significant difference compared with other treatments. The nutritional efficiency index in this group of larvae was better than others. Also the abundance of biochemical macromolecules such as glucose, cholesterol, triacylglycerol and urea in haemolymph of larvae fed by 2% ascorbic acid increased to become 29.75 (mg/㎗), 24 (mg/㎗), 75.4(mg/㎖) and 32.1(mg/㎖) respectively. But protein contents of haemolymph of larvae in each treatment were not significantly different. Since all the results achieved were not considerable either statistically or economically, this method could not be recommended to improve the sericultural parameters.
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